PORTABLE WUNDTHERAPIESYSTEM

DEVICE TO WUNDBEHANDLUNG

Contoured foam dressing shaped for providing negative pressure to incisions in the breast

A negative pressure wound dressing for use with breast incisions. The wound dressing includes a drape layer, a manifold layer, a base layer, and a reduced-pressure interface. The drape layer has a first surface and a second, wound-facing, surface. The drape layer is substantially impermeable to liquid and substantially permeable to vapor. The manifold layer has a first surface and a second, wound-facing surface. The manifold layer has a perimeter defined by a first convex curved side surface defining a first lobe, a second convex curved side surface defining a second lobe, and a connecting portion between the first lobe and the second lobe. The base layer is configured to secure the drape layer to the manifold layer and configured to secure the wound dressing to a patient's tissue. The reduced-pressure interface is integrated with the drape layer.

Medical pump filtration device, and methods of manufacture and use thereof

The present invention relates to medical vacuum pump filtration devices configured to filter air being received by the pump. The filtration devices comprise a pump housing and a mounting cap which incorporates filtration capabilities that capture and or divert particulate matter and moisture away from a pump intake opening. The filtration cap can also include apertures for sensors contained within the vacuum pump housing and the filtration cap. Compliance features that ensure proper installation and use of the filtration device can be included.

Negative pressure wound therapy apparatus

Some embodiments disclosed herein are directed to a pump assembly comprising a voice coil, a magnet and a diaphragm, wherein the voice coil is configured to move the diaphragm to pump a fluid through the pump assembly in response to a drive signal applied to the voice coil. Some embodiments disclosed herein are directed to an apparatus for applying negative pressure to a wound comprising a source of negative pressure configured to be coupled to a dressing, the source of negative comprising a voice coil actuator and a diaphragm, and a controller configured to produce a drive signal for the voice coil actuator.

WOUND DRESSING

A method and apparatus are disclosed for dressing a wound. The apparatus comprises an absorbent layer for absorbing wound 5 exudate, a liquid impermeable, gas permeable filter layer over the absorbent layer, a cover layer comprising at least one orifice and a first liquid and gas permeable transmission layer underlying the absorbent layer. The transmission layer is in fluid communication with the filter layer. 54033411 (GHMatters) P89816.AU.1 20/05/14 1021x0 F ig . p Fig. 3 ...

SELF CONTAINED WOUND DRESSING APPARATUS

NEGATIVE PRESSURE WOUND THERAPY (NPWT) FOR TREATMENT OF PERIODONTAL DISEASE

Disclosed are devices, systems and methods for treating periodontal disease and/or other oral wounds using particularized oral appliances and associated negative pressure systems. The various oral appliances include one or a plurality of surfaces for engagement with various anatomical structures within the oral cavity, where the engagement can include sealing engagement with soft tissue (gingival) surfaces of the upper and/or lower dental arches. Additional features disclosed can further promote healing of regions affected by periodontal pocket formation.

IMPLANTABLE FLUID EXTRACTION SYSTEM

A fluid extraction implantable system shaped and sized to be implanted in a patient, including: a fluid extraction chamber having a flat and thin shape connected to a draining tube and including at least one external flat surface, wherein the at least one external flat surface is configured to be attached to a tissue surface when a negative pressure is applied on the draining tube, wherein the chamber extracts fluids from the tissue by applying the negative pressure through the flat surface on the attached tissue surface.

REDUCED-PRESSURE DRESSINGS, SYSTEMS, AND METHODS FOR USE WITH LINEAR WOUNDS

Systems, methods, and dressings for treating a linear wound, such as an incision, on a patient are presented. The systems, dressings, and methods include a sealing ring that helps form a fluid seal around the linear wound. In one instance, a sealing material is extruded around the linear wound to help form a seal. In another instance, a sealing ring is coupled to a lower portion of a dressing bolster to form a seal. Other systems, methods, and apparatuses are disclosed.

EVAPORATIVE BODY-FLUID CONTAINERS AND METHODS

Body-fluid containers, methods, and systems are presented that include a container that has a container housing formed, at least in part, by a liquid-impermeable, vapor-permeable material. The liquid-impermeable, vapor-permeable material allows water to evaporate and be transmitted outside of the container. The evaporation allows more fluid to be processed by the container than the container could otherwise hold. Other systems, methods, and apparatuses are presented.

WOUND CLEANSING APPARATUS IN-SITU

Negative Pressure Wound Therapy for Treatment of Periodontal Disease

Disclosed are devices, systems and methods for treating periodontal disease and/or other oral wounds using particularized oral appliances and associated negative pressure systems. The various oral appliances include one or a plurality of surfaces for engagement with various anatomical structures within the oral cavity, where the engagement can include sealing engagement with soft tissue (gingival) surfaces of the upper and/or lower dental arches. Additional features disclosed can further promote healing of regions affected by periodontal pocket formation. 1. An oral appliance for attachment to a negative pressure source , comprising:an elongated orthosis having a generally U-shaped cross-section with an anterior region, an intermediate region and a lingual region,the anterior region having a first inner surface, a portion of the first inner surface substantially matching at least portion of an anterior surface of a patient's dentition,the lingual region having a second surface portion that substantially matches at least a portion of a lingual surface of the patient's dentition,the anterior and lingual regions separated by the intermediate region;a first passage formed through at least a portion of the anterior region, a proximal end of the first passage in fluid communication with the negative pressure source; anda channel formed in the first inner surface of the anterior region, the channel located proximate to a gingival margin of the patient's dentition, the channel in fluid communication with a distal end of the first passage.2. The oral appliance of claim 1 , wherein the intermediate region includes an intermediate inner surface claim 1 , at least a portion of the intermediate inner surface substantially matching at least a portion of an incisal surface of the at least one tooth of the patient's dentition.3. The oral appliance of claim 1 , wherein the intermediate region includes an intermediate inner surface claim 1 , at least a portion of the intermediate ...

Dressing for applying reduced pressure to and collecting and storing fluid from a tissue site

Evaporative body-fluid containers and methods

Body-fluid containers, methods, and systems are presented that include a container (104) that has a container housing (126) formed, at least in part, by a liquid-impermeable, vapor-permeable material (136). The liquid-impermeable, vapor-permeable material (136) allows water to evaporate and be transmitted outside of the container (104). The evaporation allows more fluid to be processed by the container than the container could otherwise hold. Other systems, methods, and apparatuses are presented.

DEVICE AND METHOD FOR WOUND THERAPY

Dressings and systems for treating a wound on a patients limb employing liquid control

Wound dressings and systems are presented for treating a wound on a patient's limb, such as a venous leg ulcer. The dressings and systems involve creating airflow within the dressing (102) to vaporize and remove liquid. The airflow may begin when the dressing becomes saturated. The dressings may be used to provide compression and reduced pres- sure to the wound. Other systems and dressings are presented herein. -110 176 0 - ...

WOUND CLEANSING APPARATUS IN-SITU

NEGATIVE PRESSURE WOUND TREATMENT APPARATUSES AND METHODS WITH INTEGRATED ELECTRONICS

Disclosed embodiments relate to apparatuses and methods for wound treatment. A wound dressing apparatus can comprises a wound contact layer, at least one absorbent layer, an electronics unit comprising a negative pressure source unit, and a cover layer. The electronics unit can comprise a plurality of sensors positioned on a printed circuit board and an inlet protection mechanism of the negative pressure source unit comprises a first recess in fluid communication with a first sensor and the outlet or exhaust mechanism negative pressure source unit comprises a second recess in fluid communication with a second sensor.

DEVICE AND METHOD FOR WOUND THERAPY

A wound therapy device is disclosed. The wound therapy device may include a housing for covering at least a portion of a wound and for sealing to a b ody surface of a patient. The housing may also include a liquid-retention ch amber for retaining liquid therein and a vacuum connection for coupling to a vacuum source. The vacuum connection may be in gaseous communication with t he liquid-retention chamber. The vacuum connection may be separated from the liquid-retention chamber by a liquid barrier.

SELF CONTAINED WOUND DRESSING APPARATUS

The composite wound dressing apparatus promotes healing of a wound via the use of an external peristaltic vacuum pump. The external peristaltic pump applies a vacuum pressure to the wound to effectively draw wound fluid or exudate away from the wound bed. The external peristaltic pump is tethered to the wound dressing and is portable, preferably, carried by the patient in a support bag, which permits patient mobility. Moreover, the patient does not need to be constrained for any period of time while exudate is being removed from the wound.

SYSTEMS AND METHODS FOR ELECTRICALLY DETECTING THE PRESENCE OF EXUDATE IN DRESSINGS

Systems and methods are provided for sensing fluid in a dressing on a patient and producing an electrical signal. In one instance, a galvanic cell is used as an electronic detection device. The galvanic cell is placed in the dressing and produces voltage when the dressing is substantially saturated. In one instance, the dressing is a reduced-pressure, absorbent dressing. Other systems, methods, and dressings are presented.

REDUCED-PRESSURE SYSTEMS AND METHODS EMPLOYING A LEAK-DETECTION MEMBER

Systems, methods for manufacturing, and apparatus are provided for detecting leaks in systems for treating a patient with reduced pressure. In one instance, a system includes a distribution manifold for disposing proximate to the tissue site and a sealing member for disposing over the distribution manifold and at least a portion of intact epidermis of the patient. The sealing member has at least a portion that is substantially transparent. The system further includes a reduced-pressure source associated with the distribution manifold for providing reduced pressure to the distribution manifold and a leak-detection member sized and configured to substantially surround the distribution manifold. The leak-detection member includes a detection material that develops a color contrast when a portion is exposed to air and a portion is not exposed to air. The leak detection member works with even low flow systems. Other systems, methods, and apparatus are presented.

EVAPORATIVE FLUID POUCH AND SYSTEMS FOR USE WITH BODY FLUIDS

WUNDBEHANDLUNGSVORRICHTUNG WITH FLEXIBLY DUCTILE ONE NEGATIVE PRESSURE PRODUCTION ELEMENT

Therapy apparatus with integrated fluid conductors and noise attenuation

In one example embodiment, an apparatus may include a panel with integrated fluid channels, wherein the panel and the fluid channel consist only of surfaces that can be manufactured with a straight-pull mold. A port may also be integrated into the panel to facilitate coupling the fluid channel to pneumatic components in an assembly. A seal may be secured to the panel over the fluid channel to form an integrated fluid conductor. The seal is preferably an adhesive label that can also be used for product labeling. Such an apparatus may be used in a control unit of a therapy system, employing several integrated fluid conductors. A method of manufacturing may include molding a panel, wherein the mold forms a channel integral to the panel. The panel and the channel preferably consist of surfaces that can be molded with a straight-pull mold.

WOUND CLEANSING APPARATUS IN-SITU

An apparatus for cleansing wounds, in which irrigant fluid from a reservoir connected to a conformable wound dressing and wound exudate from the dressing are recirculated by a device for moving fluid through a flow path which passes through the dressing and a means for fluid cleansing and back to the dressing, and in which the cleansing means sits in the wound in use. The cleansing means (which may be a single-phase, e.g. micro-filtration, system or a two-phase, e.g. dialytic system) removes materials deleterious to wound healing, and the cleansed fluid, still containing materials that are beneficial in promoting wound healing, is returned to the wound bed. Also, the dressing and a method of treatment using the apparatus.

EVAPORATIVE FLUID POUCH AND SYSTEMS FOR USE WITH BODY FLUIDS

An inline storage-and-liquid-processing pouch for use with body fluids from a patient is presented that involves introducing body fluids into a first chamber in the storage-and- liquid-processing pouch and flowing air through a second chamber. The chambers are separated by a high-moisture-vapor-transfer-rate member. The air flow in the second chamber enhances liquid removal from the first chamber across the high-moisture-vapor-transfer-rate member. Other systems, devices, and methods are disclosed herein.

WOUND CLEANSING APPARATUS IN-SITU

... ²²²An apparatus for cleansing wounds, in which irrigant fluid from a reservoir ²connected to a conformable wound dressing and wound exudate from the dressing ²are recirculated by a device for moving fluid through a flow path which passes ²through the dressing and a means for fluid cleansing and back to the dressing, ²and in which the cleansing means sits in the wound in use. The cleansing means ²(which may be a single-phase, e.g. micro-filtration, system or a two-phase, ²e.g. dialytic system) removes materials deleterious to wound healing, and the ²cleansed fluid, still containing materials that are beneficial in promoting ²wound healing, is returned to the wound bed. Also, the dressing and a method ²of treatment using the apparatus.² ...

APPARATUS FOR COLLECTION OF FLUIDS

Il est divulgué un appareil de collecte de fluide qui comprend : un cadre (10) composé de plusieurs cellules unitaires (11), chacune étant composée d'un composite polymère absorbant ; et un sac (20) destiné à recevoir le cadre (10) tout en étant connecté à une conduite (21) prévue pour permettre à un fluide de s'écouler dedans vers l'intérieur et l'extérieur de la poche.

Wearable wound treatment device

REDUCED-PRESSURE DRESSINGS, SYSTEMS, AND METHODS WITH EVAPORATIVE DEVICES

Wounds dressings, systems, and methods are presented for removing liquid from a wound site into a dressing and moving air through the dressing to evaporate at least a portion of the removed liquid. The air is moved in one instance by a Coanda device incorporated into the dressing. Other systems, dressings.

SELF CONTAINED WOUND DRESSING WITH MICROPUMP

A composite wound dressing apparatus promotes healing of a wound via the use of a micropump system housed within or above a wound dressing member. The micropump system includes a miniature pump that applies a subatmospheric pressure to the wound to effectively draw wound fluid or exudate away from the wound bed without the need for a cumbersome external vacuum source. Hence, the wound dressing and micropump system is portable which allows the patient mobility that is unavailable when an external vacuum source is used. The patient does not need to be constrained for any period of time while exudate is being removed from the wound.

PORTABLE DEVICE WITH DISPOSABLE RESERVOIR FOR COLLECTION OF INTERNAL FLUID AFTER SURGERY

A system and apparatus for the collection of serous or serosanguinous fluid from a percutaneous site after surgery. A pump unit with one or more pumps or powered sources provide continuous negative pressure suction to draw fluid from the percutaneous site and pumps the fluid into disposable reservoirs with one-way valves that are easy to handle while maintaining sterility and a seal to prevent the loss of vacuum. Air is continuously removed from the reservoirs. Measurement and analysis of the output is performed automatically.

WOUND CLEANSING APPARATUS IN-SITU

A wound treatment system for the treatment of a wound, comprising: a wound dressing comprising: a backing layer comprising a substantially flat, continuous sheet having a proximal, wound-facing face and a distal face, the backing layer capable of forming a relatively fluid-tight seal over the wound; a boss mounted to the backing layer at an opening in the backing layer; a permeable polymer film having a proximal, wound facing face and a distal face, wherein the distal face of the permeable polymer film is attached to the proximal face of the backing layer and the proximal face of the permeable polymer film is configured to contact the wound; and a resiliently flexible filler positioned between the backing layer and the permeable polymer film; a vacuum pump configured to apply negative pressure to the wound dressing; and a fluid offlake tube connected to the boss and configured to provide fluid communication between the vacuum pump and the wound dressing.

Interactive, wireless reduced-pressure dressings, methods, and systems

Systems, methods, and dressings are presented that involve using a RFID device in a dressing to provide pressure data or other data to a remote base unit. The dressing is an interactive dressing. The reduced pressure in the dressing may be monitored and used to control delivery of reduced pressure. In one instance, the pressure data at each dressing allows a plurality of tissue sites to be monitored and used with as single remote base unit. In another instance, devices and methods for assuring a proper pairing of reduced-pressure dressings and remote base units are also presented. Other systems, methods, and dressings are presented.

APPARATUS FOR THE COLLECTION OF FLUIDS

ABSORBENT POLYMER DRESSINGS, SYSTEMS, AND METHODS EMPLOYING EVAPORATIVE DEVICES

... [0045] Wound treatment systems and methods are presented that involve treating a wound, such as a burn wound, with an absorbent polymer that helps maintain a desired moisture level and that also involve an evaporative subsystem that removes excess liquid from the absorbent polymer. Other systems, methods, and dressings are presented herein.

BLOCKAGE-PROOF-TYPE NEGATIVE PRESSURE SUCTION APPARATUS

A blockage-proof-type negative pressure suction apparatus comprising a suction tube (1), a negative pressure source (2), and a tube core (3). A flow channel (11) is formed at the middle of the suction tube (1) along the length thereof. The two ends of the flow channel (11) are trumpet-shaped openings, and the small end thereof is connected to the negative pressure source (2). The tube core (3) is arranged within the flow channel (11) of the suction tube (1). The external contour of the tube core (3) is step-shaped. Another flow channel (31) is formed in the middle of the tube core (3). The top end of the other flow channel (31) is sealed, while the bottom end is configured as an opening for connection to the negative pressure source (2). The sidewall of the upper end of the tube core (3) has formed at least one liquid permeation hole (32) in communication with the other flow channel (31). The inner wall of the suction tube (1) or the outer wall of the tube core (3) is provided with a spiral ...

Delivery-and-fluid-storage bridges for use with reduced-pressure systems

Systems, methods, and apparatuses are presented that facilitate the provision of reduced pressure to a tissue site by using a delivery-and-fluid-storage bridge, which separates liquids and gases and provides a flow path for reduced pressure. In one instance, a delivery-and-fluid-storage bridge includes a delivery manifold for delivering reduced pressure to a treatment manifold at the tissue site and an absorbent layer proximate the delivery manifold adapted to receive and absorb liquids. The delivery manifold and the absorbent layer are encapsulated in an encapsulating pouch. A first aperture is formed proximate a first longitudinal end of the delivery-and-fluid-storage bridge for fluidly communicating reduced pressure to the delivery manifold from a reduced-pressure source, and a second aperture is formed on a patient-facing side of the delivery-and-fluid-storage bridge. Reduced pressure is transferred to the tissue site via the second aperture. Other systems, apparatuses, and methods ...

METHODS AND DEVICES FOR APPLYING CLOSED INCISION NEGATIVE PRESSURE WOUND THERAPY

Reduced-pressure systems, dressings, and methods facilitating separation of electronic and clinical component parts

Systems, dressings, and related methods, for providing reduced pressure to a tissue site on a patient are presented that involve using a self-contained reduced-pressure dressing. The dressing includes an absorbent pouch and an electronics pouch. The absorbent pouch has an absorbent for absorbing liquid from the tissue site, and the electronics pouch has a pump for applying reduced pressure to the tissue site through the absorbent pouch. The electronics pouch is removably coupled to the absorbent pouch such that the electronics pouch and absorbent pouch may be easily separated for disposal.

Wound protection

A method and apparatus are disclosed for dressing a wound. The wound dressing includes a transmission layer having a first surface and a further surface spaced apart 5 from the first surface by a relax distance in a relaxed mode of operation. A plurality of spacer elements extend between the first and further surfaces and, in a forced mode of operation, are locatable whereby the first and further surfaces are spaced apart by a compression distance less than the relax distance. )Jx )y F6. 2!

Absorbent negative pressure wound therapy dressing

Disclosed herein are embodiments of a wound treatment apparatus employing hydrophobic and hydrophilic dressing materials and/or coating of the layers of a wound dressing. In some embodiments, the hydrophobic and hydrophilic dressing materials and/or coating controls the migration of fluid within the wound dressing.

Dressings and systems for treating a wound on a patients limb employing liquid control

Wound dressings and systems are presented for treating a wound on a patient's limb, such as a venous leg ulcer. The dressings and systems involve creating airflow within the dressing (102) to vaporize and remove liquid. The airflow may begin when the dressing becomes saturated. The dressings may be used to provide compression and reduced pres- sure to the wound. Other systems and dressings are presented herein. 176 0 - - 118 ...

NEGATIVE PRESSURE DEVICE AND METHOD

A negative pressure device includes a drape, a wicking element, a sealing element, a reactor, a chamber and an air permeable liquid impervious element. The drape includes an opening and is made from a flexible material that inhibits passage of liquid and air through the drape other than through the opening. The wicking element is covered by the drape. The sealing element surrounds the wicking element and cooperates with the drape to define an enclosed volume covered by the drape and surrounded by the sealing element. Air within the enclosed volume is inhibited from exiting the enclosed volume other than through the opening. The reactor is configured to react with a gas found in air to consume the gas. The chamber is in fluid communication with the reactor and the enclosed volume via the opening. The chamber is configured to maintain a predefined chamber volume while the gas is being consumed from the enclosed volume. The air permeable liquid impervious element is interposed between the ...

Negative pressure wound therapy apparatus and method with integrated electronic device

Detachable pump for negative pressure wound therapy system, has diaphragm element that is propelled to vibrate when resilience of top and bottom elastic elements are balanced

La présente invention concerne une pompe détachable et un système de traitement de plaie par pression négative (NPWT) utilisant ce dispositif comprenant : un module supérieur (800a) incluant un groupe moteur et un élément élastique supérieur ; et un module inférieur (800b) sous le module supérieur (800a) et relié au module supérieur (800a) par un mécanisme de raccordement détachable et composé de : une base (817) configurée avec une entrée (8171) et une sortie (8172) ; au moins une soupape de retenue à sens unique ; au moins une soupape de vidange à sens unique ; un élément de diaphragme (820) ; et un élément élastique inférieur. Avec le système susmentionné, le liquide résiduaire peut être empêché de s'écouler de nouveau jusqu'à une section de plaie (500) ou la base (817) par la coopération de la soupape de retenue et de la soupape de vidange.

NEGATIVE PRESSURE WOUND THERAPY APPARATUS

Some embodiments disclosed herein are directed to a pump assembly comprising a voice coil, a magnet and a diaphragm, wherein the voice coil is configured to move the diaphragm to pump a fluid through the pump assembly in response to a drive signal applied to the voice coil. Some embodiments disclosed herein are directed to an apparatus for applying negative pressure to a wound comprising a source of negative pressure configured to be coupled to a dressing, the source of negative comprising a voice coil actuator and a diaphragm, and a controller configured to produce a drive signal for the voice coil actuator.

Evaporative body-fluid containers and methods

Body-fluid containers, methods, and systems are presented that include a container that has a container housing formed, at least in part, by a liquid-impermeable, vapor-permeable material. The liquid-impermeable, vapor-permeable material allows water to evaporate and be transmitted outside of the container. The evaporation allows more fluid to be processed by the container than the container could otherwise hold. Other systems, methods, and apparatuses are presented.

被覆材および組織部位に減圧をかけ、組織部位から液体を捕集および収容するための方法

... 減圧治療を組織部位に適用する減圧被覆材は、前記組織部位に配置できるように適応させた界面層を含む。前記界面層には吸収層が流体連通しており、前記界面層および前記組織部位のうちの少なくとも1つから液体を吸収する。前記吸収層にはポンプが流体連通しており、前記組織部位に減圧を送出する。前記ポンプ、前記吸収層および前記界面層の上にはカバーが配置され、前記組織部位における減圧を維持し、前記吸収層と前記ポンプとの間には気液分離器が配置され、前記ポンプに液体が混入するのを抑制する。 【選択図】図20 ...

Reduced-pressure systems and methods employing a leak-detection member

Systems, methods for manufacturing, and apparatus are provided for detecting leaks in systems for treating a patient with reduced pressure. In one instance, a system includes a distribution manifold for disposing proximate to the tissue site and a sealing member for disposing over the distribution manifold and at least a portion of intact epidermis of the patient. The sealing member has at least a portion that is substantially transparent. The system further includes a reduced-pressure source associated with the distribution manifold for providing reduced pressure to the distribution manifold and a leak-detection member sized and configured to substantially surround the distribution manifold. The leak-detection member includes a detection material that develops a color contrast when a portion is exposed to air and a portion is not exposed to air. The leak detection member works with even low flow systems. Other systems, methods, and apparatus are presented.

Reduced pressure apparatus and methods

Some embodiments have a pump assembly mounted to or supported by a dressing for reduced pressure wound therapy. The dressing can have visual pressure, saturation, and/or temperature sensors to provide a visual indication of the level of pressure, saturation, and/or temperature within the dressing. Additionally, the pump assembly can have a pressure sensor in communication with the flow pathway through the pump, and at least one switch or button supported by the housing, the at least one switch or button being accessible to a user and being in communication with the controller. The pump assembly can have a controller supported within or by the housing, the controller being configured to control an operation of the pump. The pump can be configured to be sterilized following the assembly of the pump such that all of the components of the pump have been sterilized.

Reduced pressure apparatuses

Disclosed embodiments relate to apparatuses for wound treatment. In certain embodiments, a negative pressure wound therapy apparatus includes one or more electronic components configured to be incorporated into layers of the wound dressing or integrated on top of the wound dressing. In some embodiments, a negative pressure source is incorporated into the wound dressing. The negative pressure source can be sealed between two moisture vapor permeable cover layers or enclosed in a moisture vapor permeable pouch, and may be received in a recess of an absorbent layer or spacer layer of a wound dressing apparatus.

Reduced pressure apparatus and methods

Some embodiments have a pump assembly mounted to or supported by a dressing for reduced pressure wound therapy. The dressing can have visual pressure, saturation, and/or temperature sensors to provide a visual indication of the level of pressure, saturation, and/or temperature within the dressing. Additionally, the pump assembly can have a pressure sensor in communication with the flow pathway through the pump, and at least one switch or button supported by the housing, the at least one switch or button being accessible to a user and being in communication with the controller. The pump assembly can have a controller supported within or by the housing, the controller being configured to control an operation of the pump. The pump can be configured to be sterilized following the assembly of the pump such that all of the components of the pump have been sterilized. )0 o o Co ' 0' '006 ( 000 c 0 C l /' 0 ~0 .r (70 0 c 00 "o 30 g..c - 0 0o 0 0 vo C000L 00, 3 0 0 0 0 0 . 00) OOO, . 0 0 0 C, o ...

Tissue treatment device and method

A controlled pressure device includes a reactor housing element, a reactor, and a cosmetic liquid or cream. The reactor housing element is configured to at least partially define an at least substantially air-tight enclosed volume around a tissue site when fixed in space in relation to the tissue site. The reactor is positioned in the enclosed volume and is configured to react with a selected gas found in air. The reactor consumes the selected gas within the enclosed volume. The cosmetic liquid or cream is also located in the enclosed volume.

Wound dressings and methods of use with integrated negative pressure source having a fluid ingress inhibition component

Disclosed embodiments relate to apparatuses and methods for wound treatment. In some embodiments, a negative pressure source is incorporated into a wound dressing apparatus so that the wound dressing and the negative pressure source are part of an integral or integrated wound dressing structure that applies the wound dressing and the negative pressure source simultaneously to a patient's wound. The negative pressure source and/or electronic components may be positioned between a wound contact layer and a cover layer of the wound dressing. A component may be used to prevent wound exudate from contacting the inlet of the negative pressure source.

Negative pressure wound treatment apparatuses and methods with integrated electronics

Disclosed embodiments relate to apparatuses and methods for wound treatment. A wound dressing apparatus can comprises a wound contact layer, at least one absorbent layer, an electronics unit comprising a negative pressure source unit, and a cover layer. The electronics unit can comprise a plurality of sensors positioned on a printed circuit board and an inlet protection mechanism of the negative pressure source unit comprises a first recess in fluid communication with a first sensor and the outlet or exhaust mechanism negative pressure source unit comprises a second recess in fluid communication with a second sensor.

Wound dressing

A method and apparatus are disclosed for dressing a wound. The apparatus comprises an absorbent layer for absorbing wound exudate, a liquid impermeable, gas permeable filter layer over the absorbent layer, a cover layer comprising at least one orifice and a first liquid and gas permeable transmission layer underlying the absorbent layer. The transmission layer is in fluid communication with the filter layer.

SURFACE PUMP AND DRESSING COMPRISING A SURFACE PUMP

L'invention porte sur une pompe surfacique comportant un réseau (3) de canaux microfluidiques (5) et des moyens de pompage (7). Ledit réseau de canaux microfluidiques comprend un ensemble d'accès (9) microfluidiques distribués dans un domaine prédéterminé (11) adapté pour couvrir une source surfacique d'un fluide d'intérêt, et lesdits moyens de pompage comportent au moins un circuit microfluidique d'actionnement (11) croisant ledit réseau de canaux microfluidiques sur une pluralité de zones de croisement (17) à membrane déformable formant un ensemble de vannes (19) adapté pour engendrer un pompage à effet péristaltique dudit fluide d'intérêt circulant dans ledit réseau de canaux microfluidiques depuis ledit ensemble d'accès microfluidiques vers au moins un puits (21) connecté audit réseau de canaux microfluidiques.

SKIN CONTACT TIP OF SKIN CARE HANDPIECE

The present invention relates to a skin contact tip of a skin care handpiece. An inlet fence wall unit wrapping the entrance of a tip inner supply flow path and having a plurality of discharge paths is made to protrude on the bottom surface of a management solution flow space formed in the bottom surface thereof, so a feeding space is formed to make a skin management solution temporarily station in the circumference of the tip inner supply flow path. The skin contact tip has a structure of discharging a skin management solution into the management solution flow space through the feeding space, so a skin contact amount is maximized on the basis of the identical supply amount of an identical skin management solution. Accordingly, using efficiency of a washing liquid is improved, and a using amount of the washing liquid is minimized during a skin management operation. Also, waste of a washing liquid is prevented, so costs consumed during an operation are reduced. COPYRIGHT KIPO 2017 ...

METHODS AND DEVICES FOR APPLYING CLOSED INCISION NEGATIVE PRESSURE WOUND THERAPY

Disclosed are devices, systems and methods for treating an incision. The device includes a generally planar tension relief module, comprising a central structure in fluid communication with the incision, wherein at least a portion of the central structure is adapted to be aligned with a longitudinal axis of the incision; and opposing adhesive structures coupled to the central structure and a flexible sealant structure comprising a lower adhesive surface and sized to seal over the tension relief module forming a sealed flow pathway. The opposing adhesive structures are adapted to be stretched from a relaxed configuration to a first tensile configuration and to return towards the relaxed configuration from the first tensile configuration into a second tensile configuration and impart a contracting force in a direction that is towards the opposing adhesive structure.

NEGATIVE PRESSURE WOUND THERAPY APPARATUS

Some embodiments disclosed herein are directed to a pump assembly comprising a voice coil, a magnet and a diaphragm, wherein the voice coil is configured to move the diaphragm to pump a fluid through the pump assembly in response to a drive signal applied to the voice coil. Some embodiments disclosed herein are directed to an apparatus for applying negative pressure to a wound comprising a source of negative pressure configured to be coupled to a dressing, the source of negative comprising a voice coil actuator and a diaphragm, and a controller configured to produce a drive signal for the voice coil actuator.

WOUND THERAPY DEVICE, SHELL FOR WOUND THERAPY DEVICE AND WOUND THERAPY METHOD

A pump shell for a wound therapy device includes a shell body having an interior cavity for accommodating a pump adapted to create a negative pressure condition upon actuation thereof. The shell body is configured to be affixed to one or both skin surrounding a tissue site or a skin contacting assembly or element to create a negative pressure condition at the tissue site over which the skin contacting assembly or element is disposed. The shell body also configured to maintain the interior cavity at a minimum specified volume while the pump creates the negative pressure condition.

創傷被覆材

Medical dressings, systems, and methods with thermally- enhanced vapor transmission

Wounds dressings, systems, and methods are presented that involve using a patient's body heat to enhance liquid removal from the wound dressing through a high-moisture- vapor- transmission-rate drape. Additional heat sources or devices, such as nano-antennas or electrical heating elements, may be added or used separately to enhance the removal liquid from the wound dressing. Other dressings, systems, and methods are presented herein.

Fluid flow sensing

Devices and methods for collecting and sensing fluid flow are provided.

Negative pressure device and method

A negative pressure device includes a drape, a wicking element, a sealing element, a reactor, a chamber and an air permeable liquid impervious element. The drape includes an opening and is made from a flexible material that inhibits passage of liquid and air through the drape other than through the opening. The wicking element is covered by the drape. The sealing element surrounds the wicking element and cooperates with the drape to define an enclosed volume covered by the drape and surrounded by the sealing element. Air within the enclosed volume is inhibited from exiting the enclosed volume other than through the opening. The reactor is configured to react with a gas found in air to consume the gas. The chamber is in fluid communication with the reactor and the enclosed volume via the opening. The chamber is configured to maintain a predefined chamber volume while the gas is being consumed from the enclosed volume. The air permeable liquid impervious element is interposed between the ...

Wound treatment apparatuses and methods for controlled delivery of fluids to a wound

Pump cassettes, wound-treatment apparatuses and methods. In some embodiments, a pump cassette comprises: a pump body having a pump chamber, an inlet valve in fluid communication with the pump chamber, and an outlet valve in fluid communication with the pump chamber; a diaphragm coupled to the pump body such that the diaphragm is movable to vary a volume in the pump chamber; and an identifier configured to store one or more properties of the pump cassette such that the identifier is readable by an automated reader to determine the one or more properties. In some embodiments, the pump cassette is configured to be removably coupled to a wound-treatment apparatus having an actuator such that the actuator can be activated to move the diaphragm. 270 r 304 r282 262- 308 -254 ...

DRESSINGS AND SYSTEMS FOR TREATING A WOUND ON A PATIENTS LIMB EMPLOYING LIQUID CONTROL

Wound dressings and systems are presented for treating a wound on a patient's limb, such as a venous leg ulcer. The dressingsand system- s involve creating airflow within the dressing to vaporize and remove liquid. The airflow may begin when the dressing becomes saturated. The dressings may be used to provide compression and reduced pres- sure to the wound. Other systems and dressings are presented herein.

DRESSING AND APPARATUS FOR CLEANSING THE WOUNDS

A dressing and an apparatus comprising the dressing, for cleansing the wounds in which an irrigant fluid from a reservoir connected to a conformable would dressing and would exudate from the dressing are moved by a device (which may be a single pump or two pumps) for moving fluid through a flow Path which passes through the dressing with a means for providing simultaneous aspiration and irrigation of the wound, to provide a desired balance of fluid at a controlled nominal flow rate that removes materials deleterious to wound healing, while distributing materials that are beneficial in promoting would healing over the wound bed.

NEGATIVE PRESSURE WOUND TREATMENT APPARATUSES AND METHODS WITH INTEGRATED ELECTRONICS

Disclosed herein are embodiments of a wound treatment apparatus with electronic components integrated within a wound dressing. In some embodiments, a wound dressing apparatus can comprise a wound dressing. The wound dressing can comprise an absorbent material, an electronics unit comprising a negative pressure source, the electronics unit integrated within the wound dressing and at least partially encapsulated by a flexible film. The flexible film can comprise a window or aperture configured to permit fluid communication between the absorbent material and the negative pressure source.

WOUND DRESSINGS AND METHODS OF USE WITH INTEGRATED NEGATIVE PRESSURE SOURCE HAVING A FLUID INGRESS INHIBITION COMPONENT

PUMP PER UNIT AREA AND DRESSING COMPRISING A SURFACE PUMP

DRESSING AND METHOD FOR APPLYING REDUCED PRESSURE TO AND COLLECTING AND STORING FLUID FROM A TISSUE SITE

A reduced pressure dressing for applying reduced pressure treatment to a tissue site includes an interface layer adapted to be positioned at the tissue site. An absorbent layer is in fluid communication with the interface layer to absorb liquid from at least one of the interface layer and the tissue site. A pump is in fluid communication with the absorbent layer to deliver a reduced pressure to the tissue site. A cover is positioned over the pump, the absorbent layer, and the interface layer to maintain the reduced pressure at the tissue site, and a liquid-air separator is positioned between the absorbent layer and the pump to inhibit liquid from entering the pump.

APPARATUS FOR DRAINING LYMPH INTO VEINS

An apparatus for draining lymph into vein includes a drainage device. The drainage device includes a chamber, an osmosis membrane, a first catheter, a second sensing element, and a pump. The chamber includes a chamber wall, wherein a chamber space is formed by the chamber wall, and a first opening is formed on the chamber wall. The osmosis membrane disposed on the first opening. One end of the first catheter connects to the chamber space, and the other end of the first catheter connects with a vein. The second sensing element receives a radio wave emitted by a first sensing element of a power supply device to send an electrical signal. The pump is disposed in the chamber and connecting to the second sensing element, wherein a negative pressure in the chamber space is generated by the pump to drain lymph into the vein via the first catheter. 1. An apparatus for draining lymph into veins , comprising:a drainage device, comprising:a chamber, comprising a chamber wall forming a chamber space, wherein a first opening is formed on the chamber wall;an osmosis membrane, disposed on the first opening to allow the lymph permeating into the chamber space of the chamber;a first catheter, wherein one end of the first catheter connects to the chamber space of the chamber, and the other end of the first catheter connects with a vein to allow the chamber space of the chamber connecting to the vein;a second sensing element, receiving a radio wave emitted by a first sensing element of a power supply device to emit an electrical signal; anda pump, disposed in the chamber and connecting to the second sensing element, wherein the electrical signal emitted by the second sensing element drives the pump to generate a negative pressure in the chamber space to make the pressure inside the chamber space lower than the pressure outside the chamber space, thereby guiding the lymph to permeate into the chamber space from the outside of the chamber space, and the lymph was drained to the vein via ...

WOUND DRESSING WITH MICROPUMP

SELF CONTAINED WOUND DRESSING WITH MICROPUMP

Reduced pressure apparatus and methods

Some embodiments have a pump assembly mounted to or supported by a dressing for reduced pressure wound therapy. The dressing can have visual pressure, saturation, and/or temperature sensors to provide a visual indication of the level of pressure, saturation, and/or temperature within the dressing. Additionally, the pump assembly can have a pressure sensor in communication with the flow pathway through the pump, and at least one switch or button supported by the housing, the at least one switch or button being accessible to a user and being in communication with the controller. The pump assembly can have a controller supported within or by the housing, the controller being configured to control an operation of the pump. The pump can be configured to be sterilized following the assembly of the pump such that all of the components of the pump have been sterilized. 000 oc0000 IJG 1*00 00'0 0* ,0 c Lo >0 - 0 C0 o) 0 0,0 0 )~ ~~ 0 000a0 00oC a 00 0 oo), o 000 0 Cc a 0 - 0 0'0 0 *1 0It 00C ...

Reduced-pressure dressings, systems, and methods with evaporative devices

Wounds dressings, systems, and methods are presented for removing liquid from a wound site into a dressing and moving air through the dressing to evaporate at least a portion of the removed liquid. The air is moved in one instance by a Coanda device incorporated into the dressing. Other systems, dressings.

Reduced-pressure dressings, systems, and methods with evaporative devices

Wounds dressings, systems, and methods are presented for removing liquid from a wound site into a dressing and moving air through the dressing to evaporate at least a portion of the removed liquid. The air is moved in one instance by a Coanda device incorporated into the dressing. Other systems, dressings.

ABSORBENT NEGATIVE PRESSURE WOUND THERAPY DRESSING

Disclosed herein are embodiments of a wound treatment apparatus employing hydrophobic and hydrophilic dressing materials and/or coating of the layers of a wound dressing. In some embodiments, the hydrophobic and hydrophilic dressing materials and/or coating controls the migration of fluid within the wound dressing.

MULTI-MODAL WOUND TREATMENT APPARATUS

The wound treatment apparatus combines an internal negative pressure (vacuum) pump and an internal positive pressure (compressor) pump connectable to an external oxygen supply for providing both negative pressure wound therapy and hyperbaric oxygen wound therapy to a wound site. The apparatus also includes a user interface operatively connected to an electronic controller that monitors and actuates the vacuum and compressor pumps. The user interface and controller enables the apparatus to provide multiple modes of operation and the ability to selectively change between negative pressure therapy operational modes and hyperbaric oxygen operational modes.

DETACHABLE PUMP AND SYSTEM OF TREATMENT OF WOUND BY NEGATIVE PRESSURE USING THIS DEVICE.

Instrument for negative pressure wound treatment

WOUND DRESSING

A method and apparatus are disclosed for dressing a wound. The apparatus comprises a sealing layer comprising at least one orifice, an absorbent layer over the sealing layer, absorbing wound exude and a liquid impermeable, gas permeable filter layer over the absorbent layer.

Reduced-pressure systems, dressings, and methods employing a wireless pump

Systems, methods, and dressings for providing reduced pressure to a tissue site on a patient are presented that involve wirelessly providing power to a reduced-pressure pump. In one instance, a RFID antenna is used to power a reduced-pressure pump that is fluidly coupled by a conduit to a reduced-pressure dressing. In another instance, a reduced-pressure dressing incorporates a micro-pump and a RFID antenna that is used to power the micro-pump. Other systems, methods, and devices are presented.

REDUCED-PRESSURE SYSTEMS, DRESSINGS, AND METHODS EMPLOYING A WIRELESS PUMP

WOUND CARE DEVICE FOR TREATING WOUNDS BY MEANS OF SUBATMOSPHERIC PRESSURE

Interactive, wireless reduced-pressure dressings, methods, and systems

Systems, methods, and dressings are presented that involve using a RFID device in a dressing to provide pressure data or other data to a remote base unit. The dressing is an interactive dressing. The reduced pressure in the dressing may be monitored and used to control delivery of reduced pressure. In one instance, the pressure data at each dressing allows a plurality of tissue sites to be monitored and used with as single remote base unit. In another instance, devices and methods for assuring a proper pairing of reduced-pressure dressings and remote base units are also presented. Other systems, methods, and dressings are presented.

Negative pressure device and method

A negative pressure device includes a drape, a wicking element, a sealing element, a reactor, a chamber and an air permeable liquid impervious element. The drape includes an opening and is made from a flexible material that inhibits passage of liquid and air through the drape other than through the opening. The wicking element is covered by the drape. The sealing element surrounds the wicking element and cooperates with the drape to define an enclosed volume covered by the drape and surrounded by the sealing element. Air within the enclosed volume is inhibited from exiting the enclosed volume other than through the opening. The reactor is configured to react with a gas found in air to consume the gas. The chamber is in fluid communication with the reactor and the enclosed volume via the opening. The chamber is configured to maintain a predefined chamber volume while the gas is being consumed from the enclosed volume. The air permeable liquid impervious element is interposed between the ...

PRESSURE WOUND THERAPY STATUS INDICATION VIA EXTERNAL DEVICE

According to certain aspects, a negative pressure wound therapy system can include a negative pressure therapy apparatus configured to apply negative pressure to a wound of a patient. The negative pressure therapy device can include a wound dressing configured to be placed over the wound, a negative pressure source supported by the wound dressing, and a controller. The controller can include a processor configured to determine operating data of the negative pressure therapy apparatus and transmit the operating data. The negative pressure wound therapy system can further include a wireless communication device having a controller with one or more processors. The controller of the wireless communication device can be configured to be communicatively coupled to the negative pressure therapy apparatus and further configured to receive the operating data transmitted by the controller of the negative pressure therapy apparatus. The controller can be further configured to output the operating ...

REDUCED-PRESSURE DRESSINGS, SYSTEMS, AND METHODS FOR USE WITH LINEAR WOUNDS

DRESSING AND METHOD FOR APPLYING REDUCED PRESSURE TO AND COLLECTING AND STORING FLUID FROM A TISSUE SITE

WOUND TREATMENT APPARATUSES AND METHODS FOR CONTROLLED DELIVERY OF FLUIDS TO A WOUND

Pump cassettes, wound-treatment apparatuses and methods. In some embodiments, a pump cassette comprises: a pump body having a pump chamber, an inlet valve in fluid communication with the pump chamber, and an outlet valve in fluid communication with the pump chamber; a diaphragm coupled to the pump body such that the diaphragm is movable to vary a volume in the pump chamber; and an identifier configured to store one or more properties of the pump cassette such that the identifier is readable by an automated reader to determine the one or more properties. In some embodiments, the pump cassette is configured to be removably coupled to a wound-treatment apparatus having an actuator such that the actuator can be activated to move the diaphragm. 1. A pump cassette for use with an apparatus for delivering fluid to a tissue site , comprising:a pump body having a diaphragm movably coupled to the pump body to form a chamber having a variable volume, an inlet valve fluidly coupled to the chamber for receiving fluid from a fluid source, and an outlet valve fluidly coupled to the chamber for discharging the fluid from the chamber to the tissue site in response to movement of the diaphragm;an identifier configurable to store pump information relating to at least one property of the diaphragm and adapted to be readable for providing the pump information; andan actuator adapted to be removably coupled to the diaphragm and operable to move the diaphragm to discharge a predetermined volume of fluid to the tissue site in response to the pump information.2. The pump cassette of claim 1 , wherein the identifier comprises at least one of a radio-frequency identification (RFID) tag claim 1 , a barcode claim 1 , or a magnetic stripe.3. The pump cassette of claim 1 , wherein the identifier is a label.4. The pump cassette of claim 1 , wherein the identifier is disposed proximate the pump body.5. The pump cassette of claim 1 , further comprising an automated reader configured to read the ...

Fluid collection apparatus

Fluid collection apparatuses and methods of use in negative pressure therapies.

Wound treatment apparatuses and methods for controlled delivery of fluids to a wound

Pump cassettes, wound-treatment apparatuses and methods. In some embodiments, a pump cassette comprises: a pump body having a pump chamber, an inlet valve in fluid communication with the pump chamber, and an outlet valve in fluid communication with the pump chamber; a diaphragm coupled to the pump body such that the diaphragm is movable to vary a volume in the pump chamber; and an identifier configured to store one or more properties of the pump cassette such that the identifier is readable by an automated reader to determine the one or more properties. In some embodiments, the pump cassette is configured to be removably coupled to a wound-treatment apparatus having an actuator such that the actuator can be activated to move the diaphragm. -254 -278 ...

DEVICE AND METHOD FOR WOUND THERAPY

A wound therapy device is disclosed. The wound therapy device may include a housing for covering at least a portion of a wound and for sealing to a b ody surface of a patient. The housing may also include a liquid collector fo r retaining liquid therein and a vacuum connection for coupling to a vacuum source. The vacuum connection may be in gaseous communication with the liqui d collector. The vacuum connection may be separated from the liquid collecto r by a liquid barrier.

Disposable portable negative pressure wound treatment system

The component of the leak pressure reduction system and method

NEGATIVE PRESSURE WOUND THERAPY DRESSING RECOGNITION, WOUND STATUS DETECTION, AND THERAPY ADJUSTMENT

Negative pressure wound therapy systems, apparatuses, and methods for operating the systems and apparatuses are disclosed. In some cases, the system can include a dressing having electronic circuitry that wirelessly communicates a dressing identifier and/or other dressing information to a controller of a pump assembly of the system. The controller can automatically modify one or more operational parameters of the pump assembly based on the dressing identifier and/or other dressing information wirelessly communicated. Duration of time over which the dressing has been in use can be monitored and provision of therapy by the pump assembly can be disabled responsive to a determination that the duration of time has reached operational lifetime of the dressing. 1. A negative pressure wound therapy system , comprising:at least one wound dressing configured to be positioned over a wound, the at least one wound dressing comprising electronic circuitry; a negative pressure source configured to provide negative pressure to the wound; and', 'a controller configured to operate the negative pressure source,, 'a negative pressure wound therapy device comprisingwherein the electronic circuitry is configured to monitor a time duration during which the at least one wound dressing has been in use and communicate to the controller dressing usage information, andwherein the controller is configured to automatically adjust one or more operational parameters of the negative pressure wound therapy device based the dressing usage information.2. The negative pressure wound therapy system of claim 1 , wherein the controller is configured to claim 1 , responsive to an indication from the electronic circuitry that the time duration during which the at least one wound dressing has been in use satisfies an operational lifetime of the at least one wound dressing claim 1 , at least one of disable operation of the negative pressure source or provide a dressing change indication.3. The negative ...

Wound dressings and systems with therapeutic gas and negative pressure sources for incision management and related methods

This disclosure includes wound dressings (18) and systems (10) with therapeutic gas and negative pressure sources for incision management. The dressing, which are configured to be coupled to tissue to facilitate delivery of oxygen to the tissue, comprise a manifold configured to permit communication of oxygen to the tissue the manifold (46) defining: a plurality of gas passageways (50); and a plurality of openings (62), one or more of which comprises a length (66) and a width (70) that is at least 50 percent less than the length; and a gas-occlusive layer (86) configured to be disposed over the manifold and coupled to the tissue such that an interior volume containing the manifold is defined between the gas-occlusive layer and the tissue and the gas-occlusive layer limits escape of oxygen from the interior volume.

PORTABLE DEVICE WITH DISPOSABLE RESERVOIR FOR COLLECTION OF INTERNAL FLUID AFTER SURGERY

A system and apparatus for the collection of serous or serosanguinous fluid from a percutaneous site after surgery. A pump unit with one or more pumps or powered sources provide continuous negative pressure suction to draw fluid from the percutaneous site and pumps the fluid into disposable reservoirs with one-way valves that are easy to handle while maintaining sterility and a seal to prevent the loss of vacuum. Air is continuously removed from the reservoirs. Measurement and analysis of the output is performed automatically. 1. A device for collection of internal fluid after surgery , comprising:a pump unit configured to create a continuous negative pressure between the pump and one or more drainage structures to draw fluid through the one or more drainage structures into the pump unit, and create a positive pressure between the pump unit and one or more fluid collectors to transport the fluid from the pump unit to the one or more fluid collectors.2. The device of claim 1 , wherein the pump unit comprises a pump unit housing claim 1 , at least one inlet port claim 1 , at least one outlet port claim 1 , and at least one fluid pump in fluid communication with the at least one inlet port and the at least one outlet port.3. The device of claim 1 , wherein the pump unit comprises a pump unit housing claim 1 , two or more inlet ports claim 1 , two or more outlet ports claim 1 , two or more fluid pumps claim 1 , each fluid pump in fluid communication with one of said two or more inlet ports and one or said two or more outlet ports.4. The device of claim 1 , further comprising a manifold structure claim 1 , said manifold structure comprising a plurality of inlet ports in fluid connection with said one or more drainage structures claim 1 , and at least one outlet port in fluid connection with the pump unit.5. The device of claim 1 , wherein said one or more fluid collectors comprise one or more fluid reservoirs.6. The device of claim 5 , wherein said one or more fluid ...

CANISTER FOR A NEGATIVE PRESSURE WOUND THERAPY SYSTEM

A portable negative pressure wound therapy system includes a dressing assembly for positioning over a wound to apply a negative pressure to the wound and a canister assembly. The canister assembly includes a control unit having a vacuum source and a controller and a collection canister in communication with the dressing assembly operable to receive fluid from the wound. The collection canister has a filter assembly having a filter and a passageway between the filter and a wall of the collection canister. The collection canister also includes a canister interface having a suction port, an inlet port, and a channel. The vacuum source draws air through the suction port from the channel which draws air from the passageway connected to the channel, the air in the passageway is drawn from the collection canister through the filter, and the air in the collection canister is drawn through the inlet port. 1. A portable negative pressure wound therapy system comprising:a dressing assembly for positioning over a wound to apply a negative pressure to the wound; and a control unit having a vacuum source and a controller; and', 'a collection canister in communication with the dressing assembly operable to receive fluid from the wound, the collection canister including:', 'a filter assembly having a first filter and a second filter at opposing ends of said collection canister;', 'a first passageway between said first filter and a wall of said collection canister;', 'a second passageway between said second filter and a wall of said collection canister; and', 'a canister interface having a suction port, an inlet port, and a channel,', 'said vacuum source draws air through said suction port from said channel, said air is drawn through said channel from said first passageway and said second passageway which are operatively connected to said channel, said air in said first passageway is drawn through said first filter and said air in said second passageway is drawn through said second ...

Illuminated mircorsurgical probe

An illuminated microsurgical probe may include a handle, a diffuser, an aspiration conduit, and an optic fiber bundle. The diffuser may include a diffuser distal end, a diffuser proximal end, and a diffuser inner bore. The handle may include a handle distal end, a handle proximal end, and a handle inner bore. The aspiration conduit may include an aspiration conduit distal end and an aspiration conduit proximal end. The aspiration conduit distal end may be disposed in the diffuser inner bore and the aspiration conduit proximal end may be disposed in the handle inner bore. The optic fiber bundle may include an optic fiber bundle distal end and an optic fiber bundle proximal end. The optic fiber bundle distal end may be disposed in the diffuser inner bore.

TISSUE PROCESSING APPARATUS WITH FLUID SUCTION FEATURES AND METHODS RELATING TO COLLECTING AND PROCESSING HUMAN BIOLOGICAL MATERIAL

A portable apparatus for collection and processing of human biological material containing adipose, such as extracted during a lipoplasty procedure, is useful for multi-step processing to prepare a concentrated product (e.g., stromal vascular fraction) or a fat graft composition. The apparatus has a container with an internal containment volume with a tissue retention volume and a filtrate volume separated by a filter and with a tapered portion to a collection volume for collecting concentrate product. The apparatus has fluid suction features including a suction port and a conduit providing fluid communication from the suction port to a location within the filtrate volume within a tapered portion of the internal containment volume, and optionally including a second suction port and a second conduit to a different location in the filtrate volume with the second conduit being configured to permit elevation adjustment within the filtrate volume. Methods include use of the fluid suction features during collection of human biological material and/or post collection. 1. An apparatus for collection of human biological material and post-collection processing of collected material , the apparatus being orientable in a collection orientation for collection of human biological material , as oriented in the collection orientation the apparatus comprising:a filter; a tissue retention volume and a filtrate volume separated by the filter;', 'a collection volume within the filtrate volume, the collection volume having a bottom elevation corresponding to a bottom elevation of the filtrate volume and a top elevation that is lower than the bottom elevation of the tissue retention volume;', 'a tapered portion that tapers in a downward direction with at least a portion of the tapered portion being located above the collection volume;, 'a container having an internal containment volume, the internal containment volume comprisingan inlet port in fluid communication with the tissue ...

DRESSING WITH ASYMMETRIC ABSORBENT CORE FOR NEGATIVE PRESSURE WOUND THERAPY

Systems, methods, and apparatuses for treating a tissue site with reduced pressure are described. The system includes a manifold configured to be placed adjacent the tissue site, and a sealing member configured to be placed over the tissue site and the manifold. The system also includes a reduced-pressure source fluidly coupled to the manifold through the sealing member. The system further includes a pouch having an upstream layer having a first thickness, a downstream layer having a second thickness, and an absorbent member enclosed between the upstream layer and the downstream layer. The second thickness is greater than the first thickness. The upstream layer may have a hydrophilic side adjacent the absorbent member, and the downstream layer may have a hydrophobic side adjacent the absorbent member. 19-. (canceled)10. A system for treating a tissue site with reduced pressure , the system comprising:a manifold adapted to be placed adjacent the tissue site;a sealing member adapted to be placed over the tissue site and the manifold to provide a substantially air-tight seal at the tissue site;a reduced-pressure source adapted to be fluidly coupled to the manifold through the sealing member; and an upstream layer having a hydrophilic side and a hydrophobic side,', 'a downstream layer having a hydrophilic side and a hydrophobic side, and', 'an absorbent member enclosed between the upstream layer and the downstream layer, the hydrophilic side of the upstream layer positioned adjacent the absorbent member and the hydrophobic side of the downstream layer positioned adjacent the absorbent member., 'a pouch adapted to be positioned between the manifold and the sealing member, the pouch comprising11. The system of claim 10 , wherein the upstream layer has a first thickness and the downstream layer has a second thickness claim 10 , and the second thickness is greater than the first thickness.12. The system of claim 10 , wherein the upstream layer has a first thickness and the ...

GELLING PRODUCT FOR FLUID-COLLECTING CONTAINER

A gelling product for solidifying a body fluid aspirated in a fluid collection container has an interior, a gelling agent arranged in the interior, and a water-soluble cover. The water-soluble cover is made of a textile material. The gelling product, in particular a gelling bag, is in this way prevented from bursting too early. 1. A gelling product for solidifying a body fluid aspirated in a fluid collection container wherein the gelling product has an interior , a gelling agent arranged in the interior , and a water-soluble cover , wherein the water-soluble cover is made of a textile material.2. The gelling product according to claim 1 , wherein the water-soluble cover is made of a nonwoven.3. The gelling product according to claim 1 , wherein the water-soluble cover is made of PVA (polyvinyl acetate).4. The gelling product according to claim 1 , wherein a second cover is present claim 1 , which is made of a water-soluble and water-impermeable material and which is arranged between the water-soluble textile cover and the gelling agent.5. The gelling product according to claim 1 , wherein the water-soluble textile cover completely surrounds the gelling agent.6. The gelling product according to claim 1 , wherein the water-soluble textile cover is a bag.7. The gelling product according to claim 6 , wherein the bag has a substantially rectangular shape with two closure zones arranged at the ends in order to form a closed cavity claim 6 , which forms the interior.8. The gelling product according to claim 6 , wherein the bag has a round or rectangular cross section claim 6 , wherein a closure zone is present which extends around the entire circumference of the bag and is in itself closed claim 6 , wherein the closure zone forms a closed cavity claim 6 , which forms the interior.9. The gelling product according to claim 6 , wherein the bag is formed from a planar material folded only once claim 6 , and wherein a closure zone is present which has two free ends claim 6 , ...

WOUND DRESSING AND METHOD OF USE

A system, method, and apparatus are disclosed for dressing a wound. The apparatus comprises a liquid and gas permeable transmission layer, an absorbent layer for absorbing wound exudate, the absorbent layer overlying the transmission layer, a gas impermeable cover layer overlying the absorbent layer and comprising a first orifice, wherein the cover layer is moisture vapor permeable. 1134-. (canceled)135. A wound treatment apparatus comprising a wound dressing , the wound dressing comprising:a gas impermeable cover layer comprising a fluid passage;a transmission layer comprising an upper portion and a lower portion, wherein the upper portion comprises a first plurality of openings and the lower portion comprises a second plurality of openings, and wherein the first plurality of openings has larger open area than the second plurality of openings; andan absorbent layer for absorbing wound exudate.136. The apparatus of claim 135 , wherein the upper portion of the transmission layer comprises a first filament count and the lower portion of the transmission layer comprises a second filament count claim 135 , wherein the first filament count is greater than the second filament count.137. The apparatus of claim 135 , wherein the transmission layer comprises fiber elements extending laterally between the upper portion and the lower portion of the transmission layer.138. The apparatus of claim 135 , wherein the absorbent layer is positioned above the transmission layer.139. The apparatus of claim 135 , wherein the transmission layer comprises a knitted layer of at least partially elastomeric material.140. The apparatus of claim 135 , wherein the transmission layer comprises a 3D fabric material.141. The apparatus of claim 135 , wherein the wound dressing further comprises a suction port connectable to a source of negative pressure claim 135 , the suction port positioned above the fluid passage.142. The apparatus of claim 141 , wherein the suction port further comprises:a ...

WOUND DRESSING AND METHOD OF USE

A system, method, and apparatus are disclosed for dressing a wound. The apparatus comprises a liquid and gas permeable transmission layer, an absorbent layer for absorbing wound exudate, the absorbent layer overlying the transmission layer, a gas impermeable cover layer overlying the absorbent layer and comprising a first orifice, wherein the cover layer is moisture vapor permeable. 1134-. (canceled)135. A wound treatment apparatus comprising: a gas impermeable cover layer comprising an orifice;', 'an absorbent layer for absorbing wound exudate, wherein the absorbent layer comprises superabsorbent material;', 'a transmission layer;', 'a lower pressure sensitive adhesive layer to adhere the wound dressing to skin around the wound site; and, 'a wound dressing comprisinga suction port sealed to the top of the cover layer over the orifice and configured to communicate negative pressure through the orifice;wherein the suction port is manufactured from a transparent material and wherein the wound dressing and the suction port are configured such that wound exudate collected by the wound dressing and located below the suction port is visible from above the suction port.136. The wound treatment of claim 135 , wherein the suction port is situated closer to one end of the dressing claim 135 , contrasted with a central position of the dressing.137. The wound treatment apparatus of claim 135 , further comprising a spacer element positioned over the gas impermeable cover layer configured to support the suction port out of direct contact with the absorbent layer and/or the transmission layer.138. The wound treatment apparatus of claim 135 , further comprising a filter element attached to the suction port over the orifice of the cover layer.139. The wound treatment apparatus of claim 138 , wherein the filter element is adhered to both the top of the cover layer and to the bottom of the suction port using an adhesive.140. The wound treatment apparatus of claim 138 , wherein the ...

DEVICE AND METHOD FOR WOUND THERAPY

A wound therapy device is disclosed. The wound therapy device may include a housing for covering at least a portion of a wound and for sealing to a body surface of a patient. The housing may also include a liquid collector for retaining liquid therein and a vacuum connection for coupling to a vacuum source. The vacuum connection may be in gaseous communication with the liquid collector. The vacuum connection may be separated from the liquid collector by a liquid barrier. 158-. (canceled)59. A method of treating a wound , comprising:positioning a wound therapy device over a wound area and an area of intact skin adjacent to the wound area at least partially enclosing the wound area, the wound therapy device comprising:a moisture vapor permeable cover layer,an absorbent layer positioned beneath the cover layer, anda wound contact layer beneath the absorbent layer, the wound contact layer adhered to the moisture vapor permeable cover layer; andapplying negative pressure to the wound therapy device such that negative pressure is transmitted through the absorbent layer and the wound contact layer to the wound area and to the intact skin adjacent to the wound area at least partially enclosing the wound area.60. The method of treating a wound of claim 59 , wherein the wound therapy device comprises silicone.61. The method of treating a wound of claim 60 , wherein the wound contact layer comprises silicone.62. The method of treating a wound of claim 59 , wherein the moisture vapor permeable cover layer is adhered to the wound contact layer.63. The method of treating a wound of claim 59 , wherein the absorbent layer comprises a superabsorbent.64. The method of treating a wound of claim 59 , wherein negative pressure is provided by a negative pressure source.65. The method of treating a wound of claim 64 , wherein the negative pressure source is external to the moisture vapor permeable cover layer.66. The method of treating a wound of claim 64 , wherein the negative pressure ...

SYSTEMS AND METHODS FOR CONTROLLING NEGATIVE PRESSURE THERAPY WITH FLUID INSTILLATION THERAPY AND CLEANSING

Systems, apparatuses, and methods for providing negative pressure and/or instillation fluids to a tissue site are disclosed. Some embodiments are illustrative of an apparatus or system for delivering negative-pressure and/or therapeutic solution of fluids to a tissue site, which can be used in conjunction with sensing properties of fluids extracted from a tissue site and/or instilled at a tissue site. For example, an apparatus may comprise a dressing interface or connector that includes a pH sensor, a humidity sensor, a temperature sensor and/or a pressure sensor embodied on a single pad within the connector and proximate the tissue site to provide data indicative of acidity, humidity, temperature and pressure. Such apparatus may further comprise algorithms for processing such data for detecting leakage and blockage as well as providing information relating to the progression of healing of wounds at the tissue site. An illustrative method may comprise positioning a dressing interface having a pH sensor, a temperature sensor, a humidity sensor, and a pressure sensor at a tissue site, and applying reduced pressure to the dressing interface to draw fluids from the tissue interface in contact with the sensors to sense the pH, temperature, humidity, and pressure properties of the fluids flowing from the tissue site. The method may further comprise providing fluid data indicative of such properties to a control device for processing the fluid data and transmitting the data to another component in the system. 1. A dressing interface for connecting a source of fluids to a tissue interface and sensing properties of fluids at a tissue site , the dressing interface comprising:a housing having a body including an outside surface and a therapy cavity therein, the therapy cavity having an opening configured to be in fluid communication with the tissue interface;a reduced-pressure port fluidly coupled to the therapy cavity and adapted to fluidly couple a reduced-pressure source to ...

WOUND TREATMENT APPARATUS WITH EXUDATE VOLUME REDUCTION BY HEAT

Apparatus () for use in wound therapy of mammals is described, the apparatus () comprising: a dressing covering the wound, the dressing being substantially sealed to prevent ingress of ambient atmospheric air to the wound; aspiration means () operably connected to a space between the dressing and the wound by an aspiration conduit () sealed to the point of entry between wound and dressing against ingress of ambient atmosphere, said conduit () being for aspiration of said wound and for removal of fluid from said space between said wound and said dressing; a waste container () for receiving aspirated fluid to be discarded operably connected to said aspiration conduit; and heating means () for heating said fluid in order to increase the vapour pressure thereof and to cause evaporation to reduce the volume of the fluid in the waste container (). In a preferred embodiment of the present invention the waste fluid is also provided with a sparge gas. 116.-. (canceled)17. A method of treating a wound , comprising:positioning a wound dressing over a wound;applying negative pressure to the wound dressing to remove fluid from the wound; andvaporizing the fluid removed from the wound to increase a rate of evaporation of the removed fluid.18. The method for treating a wound according to claim 17 , wherein vaporizing the fluid removed from the wound further comprises heating the fluid removed from the wound.19. The method for treating a wound according to claim 18 , wherein heating the fluid removed from the wound further comprises heating fluid stored in a collection canister.20. The method for treating a wound according to claim 17 , wherein vaporizing the fluid removed from the wound further comprises removing fluid from the wound with a heated conduit in fluid communication with the wound dressing and a collection canister.21. The method for treating a wound according to claim 17 , wherein vaporizing the fluid removed from the wound further comprises passing the fluid over a ...

INSTILLATION CARTRIDGE AND THERAPY SYSTEM FOR NEGATIVE-PRESSURE THERAPY AND INSTILLATION THERAPY

Systems, methods, and apparatuses for providing installation therapy and negative-pressure therapy are described. The apparatus includes a housing and a moveable barrier disposed in the housing to form a dosing chamber and a pressure chamber. The apparatus also includes a therapy conduit configured to be fluidly coupled to a pressure source and to a canister. The apparatus further includes a fluid inlet fluidly coupled to the dosing chamber and configured to be fluidly coupled to a fluid source and a fluid outlet fluidly coupled to the dosing chamber and configured to be fluidly coupled to a dressing. A pressure inlet is fluidly coupled to the therapy conduit and the pressure chamber; and a check valve is disposed in the therapy conduit.

Reduced-Pressure Dressings, Systems, And Methods With Evaporative Devices

Wounds dressings, systems, and methods are presented for removing liquid from a wound site into a dressing and moving air through the dressing to evaporate at least a portion of the removed liquid. The air is moved in one instance by a Coanda device incorporated into the dressing. Other systems, dressings, and methods are presented. 1. A wound treatment system for treating a wound on a patient , the wound treatment system comprising:a treatment manifold for disposing on the wound, wherein the treatment manifold has a first side and a second, patient-facing side;a first sealing member for disposing over the first side of the treatment manifold and a portion of intact skin to create a sealed space containing the treatment manifold, wherein the first sealing member comprises a high-moisture-vapor-transfer-rate drape;an air-movement manifold having a first side and a second, patient-facing side;a second sealing member disposed over the first side of the air-movement manifold forming a channel space;at least one port formed on the second sealing member; andan air movement source configured to be fluidly coupled to the sealed space and to the channel space.2. The wound treatment system of claim 1 , further comprising a valve fluidly coupled to the air movement source for allowing air into the air movement source once a desired pressure is reached in the sealed space.3. The wound treatment system of claim 1 , wherein the at least one port comprises at least one exhaust port for allowing air to exit the channel space.4. The wound treatment system of claim 1 , wherein the air movement source comprises a pump configured to be fluidly coupled to the sealed space and to the channel space.5. The wound treatment system of claim 1 , further comprising a bacterial filter coupled to the at least one port.6. The wound treatment system of claim 1 , further comprising a reduced-pressure source and a pressure source claim 1 , wherein the reduced-pressure source is configured to be ...

DUAL-CHAMBER SUCTION FILTERING DEVICE AND FILTERING METHOD

A dual-chamber suction filtering device and filtering method, belonging to a surgical waste liquid collecting device, and solving the problem in the prior art that drainage fluid of an endoscope shaver system and a plasma surgical system is easily contaminated and cannot be separated in sections. The dual-chamber suction filtering device comprises a dual-chamber one-way valve (), a switching valve (), and a filtering branch () and a direct-passing main path () which are connected to each other in parallel, the water outlet of the dual-chamber one-way valve () being connected to the water inlet of the filtering branch () and the water inlet of direct-passing main path (); the switching valve () is provided on the joint between the water inlet of the filtering branch () and the water inlet of direct-passing main path (); the dual-chamber one-way valve () has a first drainage fluid system () setting, a second drainage fluid system () setting, and a dual-drainage fluid system () setting, and the switching valve () has a filtering setting and a direct-passing setting. The dual-chamber suction filtering device and filtering method can be used for collecting and filtering drainage fluid. 1. A dual-chamber suction filtering device comprising a dual-chamber one-way valve , a switching valve , and a filtering branch and a direct-passing main path which are connected to each other in parallel;wherein the water outlet of the dual-chamber one-way valve is connected to the water inlet of the filtering branch and the water inlet of the direct-passing main path;the switching valve is provided on the joint between the water inlet of the filtering branch and the water inlet of the direct-passing main path;the dual-chamber one-way valve has a first drainage fluid system setting, a second drainage fluid system setting and a dual-drainage fluid system setting, and the switching valve has a filtering setting and a direct-passing setting;and the water inlet of the dual-chamber one-way ...

THERAPY APPARATUS WITH INTEGRATED FLUID CONDUCTORS AND NOISE ATTENUATION

In one example embodiment, an apparatus may include a panel with integrated fluid channels, wherein the panel and the fluid channel consist only of surfaces that can be manufactured with a straight-pull mold. A port may also be integrated into the panel to facilitate coupling the fluid channel to pneumatic components in an assembly. A seal may be secured to the panel over the fluid channel to form an integrated fluid conductor. The seal is preferably an adhesive label that can also be used for product labeling. Such an apparatus may be used in a control unit of a therapy system, employing several integrated fluid conductors. A method of manufacturing may include molding a panel, wherein the mold forms a channel integral to the panel. The panel and the channel preferably consist of surfaces that can be molded with a straight-pull mold. 1. An apparatus , comprising:a panel;a fluid channel integrated into the panel; anda port integrated into the panel and fluidly coupled to the fluid channel;wherein the panel, the fluid channel, and the port consist of straight-pull surfaces.2. The apparatus of claim 1 , further comprising a seal coupled to the fluid channel to form an integrated fluid conductor.3. The apparatus of claim 1 , further comprising a ridge integrated into the panel and tracking the fluid channel.4. The apparatus of claim 1 , wherein the port comprises an alignment post and a fluid conductor claim 1 , and the fluid conductor is fluidly coupled to the fluid channel.5. The apparatus of claim 1 , further comprising:a seal coupled to the fluid channel to form an integrated fluid conductor; anda pneumatic component fluidly coupled to the port.6. The apparatus of claim 5 , wherein the pneumatic component is a pump.7. A therapy apparatus claim 5 , comprising:a housing comprising a panel;a fluid channel integrated into the panel, the fluid channel and the panel consisting of straight-pull surfaces;a seal coupled to the fluid channel to form an integrated fluid ...

SYSTEM FOR PROVIDING CONTINUAL DRAINAGE IN NEGATIVE PRESSURE WOUND THERAPY

A system for subatmospheric pressure therapy in connection with healing a wound is provided. The system includes a wound dressing cover dimensioned for positioning relative to a wound bed of a subject to establish a reservoir over the wound bed in which subatmospheric pressure may be maintained, a subatmospheric pressure mechanism including, a housing, a vacuum source disposed in the housing, and a collection canister in fluid communication with the vacuum source. The system further includes an exudate conduit in fluid communication with the wound dressing and the collection canister for collecting exudate removed from the reservoir and deposited in the collection canister under influence of the vacuum source and a vent conduit in fluid communication with the collection canister and the wound dressing for introducing air into the reservoir to facilitate flow of exudate through the exudate conduit. 13-. (canceled)4. A negative pressure wound therapy port comprising: an aperture configured to communicate with the wound cavity, and', 'a flange having adhesive on at least a portion of a lower surface thereof, the adhesive configured to attach the body to an upper surface of the wound dressing; and, 'a body configured to be attached to a wound dressing configured to be positioned over a wound cavity, the body further configured to be in fluid communication with a negative pressure source, the body comprising a first channel extending away from the body and configured for removal of wound exudate from the wound cavity and provision of negative pressure to the wound cavity; and', 'a second channel having a surface in common with the first channel, the second channel extending away from the body in a direction substantially parallel to the first channel., 'an elongate conduit comprising5. The negative pressure wound therapy port of claim 4 , wherein the second channel is configured for providing a controlled air leak.6. The negative pressure wound therapy port of claim 5 , ...

WOUND CLOSURE AND DRAINAGE SYSTEM

A vacuum system for draining an open wound from liquids exuded therefrom, comprising an enclosure sealable to the wound circumference, a vacuum pump including a disposable pump unit detachably attachable to a non-disposable drive unit, and a waste container for collection of drained liquids. The enclosure has an outlet connected by means of a tube to an inlet of the pump unit and the waste container is connected to an outlet of the pump unit, such that when the vacuum pump is operated the drained liquids flow through the vacuum pump. The enclosure has one or more bleeding holes provided therethrough or adjacent to its outlet so that ambient air may enter the tube and flow together with the drained liquids. The enclosure and the waste container are disposable so that the drained liquids contact only disposable elements and may be disposed of together with all disposable elements 1the enclosure being attachable to a periphery of the wound so as to define a confined volume;the enclosure having an enclosure outlet connectable to said vacuum source via said tube so that negative pressure can be selectively created in said volume;the venting arrangement comprising a flow restrictor to restrict flow through said venting arrangement and to thereby provide a controlled flow of ambient air into said vacuum system upstream of the vacuum source;the controller configured for controlling operation of the vacuum source while providing venting of the vacuum system via said venting arrangement to provide a desired level of said negative pressure in said confined volume.. A vacuum system for applying negative pressure to a wound, the vacuum system comprising: an enclosure, a venting arrangement, a tube, a vacuum source, and a controller: This invention relates generally to wound healing, and more specifically to healing of wounds by negative pressure drainage.Negative pressure applied to a wound enhances drainage of fluids or exudate from the wound and promotes tissue growth and ...

Reduced-Pressure Systems, Dressings, Pump Assemblies And Methods

According to an illustrative embodiment, a reduced-pressure wound treatment system includes a dressing and a pump assembly. Another illustrative embodiment includes a reduced-wound pressure treatment system including a dressing with a rigid outlet coupled to a manifold, and a pump assembly including a pump and a rigid inlet, the inlet of the pump assembly being removeably connectable to the outlet of the dressing by rigid interlocking formations. A further illustrative embodiment of a reduced-pressure wound treatment system includes a dressing with an outlet, and a pump assembly with an inlet, where the dressing is removeably coupled to the pump assembly solely by the inlet being attached to the outlet, and the dressing cover and pump cover contact each other while the inlet and the outlet are attached together. According to a further illustrative embodiment, a reduced-pressure wound treatment system employs an inductive charger operably electrically charging a pump battery. 1. A system for treating a tissue site with reduced pressure , the system comprising: an absorbent layer;', 'a manifold adjacent to the absorbent layer;', 'a dressing cover enclosing the absorbent layer and the manifold; and', 'a fluid outlet;, 'a dressing comprising a pump; and', 'a fluid inlet coupled to the pump;, 'a pump assembly comprisingwherein the fluid inlet is configured to be removeably and directly connectable to the fluid outlet by interlocking formations.2. The system of claim 1 , wherein the pump assembly further comprises:an inner cover and an outer cover joined together at a periphery to enclose the pump;a cushion between the inner cover and the outer cover and adjacent to the pump; andan aperture in the inner cover, the fluid inlet being accessible through the aperture.3. The system of claim 2 , wherein:the pump assembly further comprises an electrical circuit connected to the pump and a battery connected to the electrical circuit;the inner cover is located between the ...

SURGICAL DRAIN SYSTEM WITH INTERCHANGEABLE ATTACHMENTS

A surgical drain system for draining fluid from a patient is provided. The surgical drain system includes a tube for insertion into the patient through which the fluid drains. The tube extends into the patient and is connected to an adapter having first and second valves for controlling movement of the fluid through the adapter. An attachment includes an insert for opening the first and second valves when inserted into the adapter allowing the fluid to drain into the attachment when the insert is fully seated. A retraction mechanism may be incorporated preventing more than one use of the insert. 158-. (canceled)59. A surgical drain system for draining fluid from a patient , comprising:an adapter for insertion into the patient through which the fluid drains, said adapter having first and second valves for controlling movement of the fluid through said adapter; andan attachment including a male insert for opening said first and second valves when inserted into said adapter and allowing the fluid to drain into said attachment when said male insert is fully seated;wherein a portion of said male insert is bulbous and a portion of said adapter is a bulbous cavity positioned between said first and second valves for receiving the bulbous portion of said male insert.601. The surgical drain system for draining fluid from a patient of claim , wherein said bulbous portion of said male insert and said bulbous cavity form an interference fit when said male insert is fully seated.611. The surgical drain system for draining fluid from a patient of claim , further comprising a tube extending from said adapter into the patient.621. The surgical drain system for draining fluid from a patient of claim , wherein said adapter includes a flange positioned externally of the patient.631. The surgical drain system for draining fluid from a patient of claim , wherein said first valve is positioned inside of the patient.641. The surgical drain system for draining fluid from a patient of claim ...

WOUND TREATMENT APPARATUSES AND METHODS WITH NEGATIVE PRESSURE SOURCE INTEGRATED INTO WOUND DRESSING

Disclosed embodiments relate to apparatuses and methods for wound treatment. In some embodiments, a negative pressure source is incorporated into a wound dressing apparatus so that the wound dressing and the negative pressure source are part of an integral or integrated wound dressing structure that applies the wound dressing and the negative pressure source simultaneously to a patient's wound. The negative pressure source and/or electronic components may be positioned between a wound contact layer and a cover layer of the wound dressing. The negative pressure source and/or electronic components may be separated and/or partitioned from an absorbent area of the dressing. A switch may be integrated with the wound dressing to control operation of the wound dressing apparatus. A connector may be direct air from an outlet of the negative pressure source to the environment. A non-return valve may inhibit back flow of air into the wound dressing. 1. A wound dressing apparatus comprising:a wound contact layer configured to be positioned in contact with a wound; a lower spacer layer;', 'an absorbent layer;, 'a first area over the wound contact layer comprisinga second area over the wound contact layer comprising a plurality of spacer layers and a negative pressure source and/or electronic components positioned within or between the plurality of spacer layers, wherein the first area is positioned adjacent to the second area and separated by a partition;an upper spacer layer configured to cover the first area and the second area and to allow air to be communicated between the first area and second area around the partition; anda cover layer configured to cover and form a seal over the wound contact layer, the upper spacer layer, the first area, and the second area.2. The wound dressing apparatus of claim 1 , wherein the plurality of spacer layers in the second area comprise a third spacer layer beneath the negative pressure source and/or electronic components and a fourth ...

FLUID VOLUME MEASUREMENT USING CANISTER RESONANCE FOR REDUCED PRESSURE THERAPY SYSTEMS

A wound fluid collection system includes a canister adapted to collect bodily fluids from a tissue site. The canister includes an acoustic transducer adapted and positioned to insonify a cavity within the canister, the cavity being defined by a wall of the canister and the bodily fluids collected within the canister. A resonant frequency may be calculated based on a resulting received signal from the insonification. The resonant frequency may indicate a volume of the cavity within the canister. The difference between a known volume of the canister and the calculated volume of the cavity provides the volume of bodily fluid collected in the canister. 1. A reduced pressure treatment system for collecting bodily fluids from a tissue site using reduced pressure , comprising:a source of reduced pressure;a dressing adapted to be disposed proximate and in fluid communication with the tissue site;a canister having sidewalls closed by a lower wall and an upper wall for collecting body fluids from the tissue site, an inlet adapted to be in fluid communication with the dressing, and an outlet disposed in the upper wall over the sidewalls proximate the upper wall and adapted to be in fluid communication with the source of reduced pressure, wherein the bodily fluids have a surface rising as the canister fills from an empty state to a full state while collecting the bodily fluids to define an airspace above the surface within the canister;a first acoustic transducer acoustically coupled to one of the sidewalls of the canister, configured to insonify the airspace of the canister at predetermined acoustic frequencies along a first axis of insonification, and adapted to generate echo output signals in response to acoustic waves reflected within the airspace at the predetermined frequencies, said first acoustic transducer adapted to insonify at a plurality of frequencies between a first frequency and a second frequency; anda processor in electrical communication with the first ...

APPARATUS FOR ASPIRATING, IRRIGATING AND CLEANSING WOUNDS

An apparatus for cleansing wounds in which irrigant fluid from a reservoir connected to a conformable wound dressing and wound exudate from the dressing are recirculated by a device for moving fluid through a flow path which passes through the dressing and a means for fluid cleansing and back to the dressing. The cleansing means (which may be a single-phase, e.g. microfiltration, system or a two-phase, e.g. dialytic system) removes materials deleterious to wound healing, and the cleansed fluid, still containing materials that are beneficial in promoting wound healing, is returned to the wound bed. The dressing and a method of treatment using the apparatus. 110-. (canceled)11. An apparatus for aspirating , irrigating and/or cleansing wounds , comprising:a conformable wound dressing having a backing layer configured to form a relatively fluid-tight seal or closure over a wound;an oxygen source configured to connect by a fluid supply tube to the wound dressing, wherein the fluid supply tube is configured to deliver oxygen to the wound;an inlet configured to connect to a negative pressure source; andat least one outlet tube for aspirating fluid from the wound.12. The apparatus of claim 11 , further comprising a negative pressure source configured to apply negative pressure to an interior of the wound dressing and to the wound.13. The apparatus of claim 11 , further comprising a controller configured to switch between a first setting where oxygen is delivered to the wound and a second setting where negative pressure is delivered to the wound.14. The apparatus of claim 11 , wherein the oxygen source comprises a dialysate.15. The apparatus of claim 14 , wherein the dialysate comprises a perfluorocarbon.16. The apparatus of claim 15 , wherein the perfluorocarbon is perfluorodecalin.17. The apparatus of claim 12 , wherein the negative pressure source comprises a vacuum pump.18. The apparatus of claim 13 , wherein oxygen is delivered to the wound for a predetermined amount of ...

WOUND THERAPY SYSTEM

A wound therapy system according to an example of the present disclosure includes a wound therapy that has a porous body operable to carry a fluid from a wound site, a tube, and a pump connected to the porous body by the tube. The pump is operable to apply vacuum through the tube to draw fluid from the wound site. 1. A wound therapy system , comprising:a wound therapy comprising a porous body operable to carry a fluid from a wound site;a tube; anda pump connected to the porous body by the tube, the pump operable to apply vacuum through the tube to draw fluid from the wound site.2. The wound therapy system of claim 1 , further comprising a chest wrap claim 1 , the chest wrap configured to transform circumferential expansion and contraction of the chest wrap into energy for driving the pump.3. The wound therapy system of claim 2 , wherein the chest wrap further comprises at least one serpentine line that amplifies power generation from circumferential expansion and contraction of the chest wrap.4. The wound therapy system of claim 1 , wherein the porous body includes capillaries operable to carry the fluid through the porous body.5. The wound therapy system of claim 1 , wherein the porous body includes a plurality of segments.6. The wound therapy system of claim 5 , wherein the plurality of segments are irregular in size claim 5 , shape claim 5 , or both.7. The wound therapy system of claim 5 , further comprising a plurality of dividers separating the plurality of segments from one another.8. The wound therapy system of claim 7 , wherein the plurality of dividers are fluid-impermeable.9. The wound therapy system of claim 7 , wherein the plurality of dividers include at least one of an anti-bacterial and an anti-viral agent.10. The wound therapy system of claim 1 , wherein the porous body includes electrically conductive fibers.11. The wound therapy system of claim 10 , further comprising electrical leads operable to provide electrical impulses to the conductive fibers ...

DEVICE AND METHOD FOR WOUND THERAPY

A wound therapy device is disclosed. The wound therapy device may include a housing for covering at least a portion of a wound and for sealing to a body surface of a patient. The housing may also include a liquid collector for retaining liquid therein and a vacuum connection for coupling to a vacuum source. The vacuum connection may be in gaseous communication with the liquid collector. The vacuum connection may be separated from the liquid collector by a liquid barrier. 158-. (canceled)59. A wound therapy device , comprising:a moisture vapor permeable cover layer configured to cover a wound area and an area of body surface adjacent the wound area at least partially enclosing the wound area;a vacuum source configured to be in fluid communication with the cover layer;an absorbent layer positioned beneath the cover layer, the absorbent layer configured to retain wound exudate while simultaneously communicating negative pressure generated by the vacuum source to the wound area;a disperser layer positioned beneath or above the absorbent layer, the disperser layer configured to overlie the wound area and the area of body surface adjacent the wound area at least partially enclosing the wound area; anda wound contact layer beneath the disperser layer and the absorbent layer, the wound contact layer configured to overlie the wound area and the area of body surface adjacent the wound area at least partially enclosing the wound area.60. The wound therapy device of claim 59 , wherein the moisture vapor permeable cover layer is adhered to the wound contact layer.61. The wound therapy device of claim 59 , wherein the disperser layer comprises a three-dimensional knit spacer fabric.62. The wound therapy device of claim 59 , wherein the disperser layer comprises a hydrophobic material.63. The wound therapy device of claim 59 , wherein the disperser layer comprises an inner spacer yarn oriented perpendicular to a face fiber.64. The wound therapy device of claim 59 , wherein the ...

APPARATUSES AND METHODS FOR NEGATIVE PRESSURE WOUND THERAPY

Disclosed herein are several embodiments of a negative pressure appliance and methods of using the same in the treatment of wounds. Some embodiments are directed to improved fluidic connectors or suction adapters for connecting to a wound site, for example using softer, kink-free conformable suction adapters. 153-. (canceled)54. A negative pressure wound treatment system , comprising:a wound cover configured to be positioned over a wound, the wound cover comprising an opening; an elongate liquid impermeable top layer extending from the proximal end to the distal end, wherein the top layer has an enlarged distal end;', 'an elongate liquid impermeable bottom layer extending from the proximal end to the distal end, wherein the bottom layer has an enlarged distal end comprising one or more apertures configured to fluidically connect the suction adapter to the opening in the wound cover;', 'an elongate spacer positioned within an elongate channel extending between the top and bottom layers, the spacer extending from a proximal end to a distal end with the distal end of the elongate spacer positioned between the enlarged distal ends of the top layer and bottom layer;, 'a suction adapter having a proximal end and a distal end, the suction adapter attached to the wound cover to provide negative pressure to the wound, the suction adapter comprisinga conduit connected to the proximal end of the spacer, the conduit being configured to directly or indirectly connect to a source of negative pressure; anda fluid-flow restricting element attached to the wound cover over an opening in the wound cover and beneath the enlarged distal end of the bottom layer.55. The negative pressure wound treatment system of claim 54 , wherein the fluid-flow restricting element comprises a one-way valve.56. The negative pressure wound treatment system of claim 54 , wherein the spacer is configured to permit fluid to pass therethrough when the spacer is kinked or folded over.57. The negative pressure ...

MEDICAL PUMP FILTRATION DEVICE, AND METHODS OF MANUFACTURE AND USE THEREOF

The present invention relates to medical vacuum pump filtration devices configured to filter air being received by the pump. The filtration devices comprise a pump housing and a mounting cap which incorporates filtration capabilities that capture and or divert particulate matter and moisture away from a pump intake opening. The filtration cap can also include apertures for sensors contained within the vacuum pump housing and the filtration cap. Compliance features that ensure proper installation and use of the filtration device can be included. 1. A vacuum pump filtration system comprising:a pump housing element comprising a vacuum pump;a filtration cap element comprising a filter membrane;an evacuation enclosure configured to mate with a portion of the human body and thereby create a chamber having an interior volume formed between the human body and the evacuation enclosure, the evacuation enclosure comprising an aperture to receive the pump housing element, the filtration cap element comprises a mating surface configured to releasably engage with a receiving surface on the pump housing element to form an integral pump/filter unit,', 'the mating surface and/or the receiving surface inserts into the aperture to form a substantially airtight seal of the aperture upon formation of the integral pump/filter unit, and', 'upon sealing of the aperture by the integral pump/filter unit, the filter membrane is positioned such that air being removed by the vacuum pump from the interior volume within the chamber must pass through the filter membrane prior to reaching the vacuum pump., 'wherein'}2. A vacuum pump filtration system according to claim 1 , wherein the filtration cap element is configured as a disposable unit and the pump housing element is configured as a reusable unit in normal use.3. A vacuum pump filtration system according to claim 1 , wherein the filtration cap element claim 1 , the pump housing element or both comprise one or more structural elements ...

DEVICE AND METHOD FOR WOUND THERAPY

A wound therapy device is disclosed. The wound therapy device may include a housing for covering at least a portion of a wound and for sealing to a body surface of a patient. The housing may also include a liquid collector for retaining liquid therein and a vacuum connection for coupling to a vacuum source. The vacuum connection may be in gaseous communication with the liquid collector. The vacuum connection may be separated from the liquid collector by a liquid barrier. 1. A wound therapy device , comprising:a housing configured to cover at least a portion of a wound;a vacuum source in fluid communication with the housing;a liquid collector positioned inside of the housing and in operable communication with the wound, wherein said liquid collector is configured to retain wound exudate while simultaneously communicating negative pressure generated by the vacuum source to the wound.2. The wound therapy device of claim 1 , wherein the liquid collector comprises a porous material defining a plurality of passages to allow fluid communication between the vacuum source and the wound through the liquid collector.3. The wound therapy device of claim 2 , wherein the liquid collector is sufficiently rigid to allow fluid communication between the vacuum source and the wound through the liquid collector when the device is subject to a pressure lower than atmospheric pressure.4. The wound therapy device of claim 2 , wherein the housing is sufficiently rigid to allow fluid communication between the vacuum source and the wound through the liquid collector when the device is subject to a pressure lower than atmospheric pressure.5. The wound therapy device of claim 2 , wherein the housing in combination with the liquid collector is sufficiently rigid to allow fluid communication between the vacuum source and the wound through the liquid collector when the device is subject to a pressure lower than atmospheric pressure.6. The wound therapy device of claim 1 , wherein the liquid ...

Sequential Collapse Waveform Dressing

Example embodiments of an apparatus for tissue therapy may comprise a sequentially-collapsing tissue interface for use with negative pressure. More generally, some embodiments may include a first manifold and a second manifold fluidly coupled to the first manifold through a constricted fluid path. A fluid conductor may fluidly couple the second manifold to the first manifold in some embodiments. The fluid conductor may constrict fluid flow between the first manifold and the second manifold. The apparatus may additionally comprise a negative-pressure source fluidly coupled to the first manifold in some embodiments. A controller may be configured to operate a negative-pressure source to provide negative pressure to a tissue interface in a therapy sequence adapted to propagate a wave in the tissue site. Such motion may be particularly advantageous or beneficial for a variety of conditions, including lymphedema, edema, or venous insufficiency. 1. An apparatus for tissue therapy , comprising:a first manifold;a second manifold fluidly coupled to the first manifold; anda fluid conductor configured to constrict fluid flow between the first manifold and the second manifold.2. The apparatus of claim 1 , further comprising a negative-pressure source configured to be fluidly coupled to the first manifold.3. The apparatus of claim 2 , wherein the second manifold is configured to be coupled to the negative-pressure source through the first manifold.4. The apparatus of claim 2 , wherein the negative-pressure source is configured to provide negative pressure to the first manifold for a drawdown interval and a release interval.5. The apparatus of claim 1 , further comprising a cover configured to provide a fluid seal over the first manifold and the second manifold.6. The apparatus of claim 1 , further comprising a container fluidly coupled to the first manifold.7. The apparatus of claim 1 , wherein the first manifold includes a manifold face having a shape selected from the group ...

DRAPE HAVING MICROSTRAIN INDUCING PROJECTIONS FOR TREATING A WOUND SITE

Systems and apparatuses for administering reduced pressure treatment to a tissue site include a reduced pressure source, a drape having a plurality of projections for contacting the tissue site, and an adhesive connected to at least a portion of the drape for sealing the drape to a portion of a patient's intact epidermis. 1. A system for providing reduced pressure wound therapy to a tissue site , comprising:a drape configured to be disposed over the tissue site to create a sealed space between the drape and the tissue site;a reduced pressure source in fluid communication with the sealed space;a sensor in fluid communication with the sealed space; anda processing unit operatively coupled to the sensor;wherein the processing unit is configured to determine a real-time rate of pressure decay based on data from the sensor.2. The system of claim 1 , wherein the decay is determined by measuring an amount of time required for pressure at the sealed space to drop below a threshold pressure.3. The system of claim 1 , further comprising a vent fluidly coupled to the sealed space by a conduit.4. The system of claim 3 , wherein the decay in reduced pressure is determined by measuring a reduction in a flow rate in the conduit over a selected amount of time after opening the vent.5. The system of claim 1 , wherein the processing unit is configured to send an alert signal when the drape needs to be changed.6. The system of claim 1 , wherein the processing unit is configured to:calculate a pressure-time curve based on a time required to reach a set pressure at the sealed space;determine, based on a shape of the pressure-time curve, whether the drape needs to be changed due to an accumulation of slough or a growth of granulation tissue.7. The system of claim 1 , wherein the drape comprises a substantially gas impermeable claim 1 , flexible sheet.8. The system of claim 7 , wherein the drape comprises a plurality of projections extending from a tissue-facing side.9. The system of ...

TANGENTIAL FLOW FILTER SYSTEM FOR THE FILTRATION OF MATERIALS FROM BIOLOGIC FLUIDS

Systems and methods for filtering materials from biologic fluids are discussed. Embodiments may be used to filter cerebrospinal fluid (CSF) from a human or animal subject. In an example, CSF is separated into a permeate and retentate using a tangential flow filter. The retentate is filtered again and then returned to the subject with the permeate. During operation of the system, various parameters may be modified, such as flow rate and waste rate. 1. A method for filtering materials from cerebrospinal fluid (CSF) of a human or animal subject , the method comprising:withdrawing a volume of fluid comprising CSF from a CSF-containing space of a subject using a filtration system;filtering the volume of fluid into permeate and retentate using a first filter of the filtration system, wherein the first filter comprises a tangential flow filter;returning the permeate to the CSF-containing space of the subject;filtering the retentate using a second filter of the filtration system; andreturning the filtered retentate to the CSF-containing space of the subject.2. The method of claim 1 , wherein the second filter of the filtration system comprises a dead end filter or a depth filter.3. The method of claim 1 , further comprising:prior to returning the permeate and prior to returning the filtered retentate, combining the permeate and the filtered retentate at a combiner; andreturning the combined permeate and the filtered retentate to the CSF-containing space of the subject, thereby returning the permeate and returning the filtered retentate.4. The method of claim 3 , wherein the combiner includes a check-valve configured to resist back flow into the second filter.5. The method of claim 1 , further comprising calculating a waste rate of the filtration system and modifying one or more parameters of the system to maintain a waste rate of less than a threshold.6. The method of claim 5 , wherein the threshold is based on a predicted rate of natural CSF production in the subject.7. ...

TANGENTIAL FLOW FILTER SYSTEM FOR THE FILTRATION OF MATERIALS FROM BIOLOGIC FLUIDS

Systems and methods for filtering materials from biologic fluids are discussed. Embodiments may be used to filter cerebrospinal fluid (CSF) from a human or animal subject. The method may include the steps of withdrawing fluid comprising CSF, filtering the volume into permeate and retentate by passing the fluid through a tangential flow filter, and returning the permeate to the subject. During operation of the system, various parameters may be modified, such as flow rate. 1. A method for filtering materials from cerebrospinal fluid (CSF) of a human or animal subject , the method comprising the steps of:withdrawing a volume of fluid comprising CSF from a CSF-containing space of the subject at a first flow rate using a filtration system, the filtration system operating according to a set of parameters;filtering the volume of fluid into permeate and retentate using a tangential flow filter of the filtration system;measuring a characteristic of the fluid using a sensor of the filtration system;returning the permeate to the lumen of the subject at a second flow rate; andupdating a parameter of the set of operation parameters based on the measured characteristic responsive to determining the measured characteristic passes a predetermined threshold.2. The method of claim 1 , wherein the first filtration system is in fluid connection with the CSF-containing space of the subject via a multi-lumen catheter inserted at least partially within the space.3. The method of claim 1 , wherein the parameter comprises the first flow rate and the second flow rate.4. The method of claim 3 , wherein updating the parameter of the set of operation parameters comprises updating the parameter such that the first flow rate and the second flow rate are substantially the same.5. The method of claim 1 , wherein the characteristic is a total volume of fluid withdrawn minus a total volume of fluid returned.6. The method of claim 5 , wherein the threshold is a volume of removed CSF that is predicted ...

NEGATIVE PRESSURE WOUND TREATMENT DEVICE, AND METHODS

A negative pressure (i.e., vacuum or suction) wound healing device and system incorporating the device. The device of the present disclosure is smaller, lighter, portable, and overall more manageable by both the user and the medical personnel than the conventional systems. The device could be readily worn by the user. 1. A system for applying negative pressure on a wound , the system comprising:a device including structure configured to provide negative pressure on the wound via a vacuum line;a dressing material sealably covering the wound, the vacuum line extending between the device and the dressing material to provide negative pressure to the wound sealably covered by the dressing material;a spray-in foam located within the wound below the dressing material, the spray-in foam exposed to the negative pressure provided by the device; anda sensor configured to monitor the wound.2. The system of claim 1 , wherein the sensor is positioned within the spray-in foam.3. The system of claim 1 , wherein the sensor is connected to the vacuum line.4. The system of claim 1 , wherein monitoring the wound further includes measuring a parameter of the wound.5. The system of claim 4 , wherein the parameter is one of temperature claim 4 , blood pressure claim 4 , blood flow claim 4 , O2 level claim 4 , pH claim 4 , and pulse rate.6. The system of claim 1 , where the sensor is configured to monitor a healing rate of the wound.7. The system of claim 1 , wherein the sensor is further configured to detect an infection of the wound.8. The system of claim 1 , wherein the sensor is an infection indicator.9. The system of claim 8 , wherein the infection indicator includes a reagent claim 8 , the reagent configured to change from a first state to a second state in response to exposure to infected exudate.10. The system of claim 9 , wherein the change from the first state to the second state includes a change from a first color to a second color.11. The system of claim 1 , wherein the sensor ...

Wound therapy system with wound volume estimation

A pump generates a vacuum at a wound site via first tubing. A negative pressure circuit is defined by a canister, the first tubing and the wound site. A controller of a therapy device operates the pump to apply a first negative pressure to the entirety of the negative pressure circuit, following which ambient air is allowed to flow into the negative pressure circuit. The controller also operates the pump to apply a second negative pressure to a selected portion of the negative pressure circuit exclusive of the wound site, following which ambient air is allowed to flow into the selected portion. A quantity of fluid to be delivered to the wound site via a second tubing is determined by comparing measured parameters related to the flow of air into the negative pressure circuit to parameters measured with respect to the flow of air into the selected portion.

SELF CONTAINED WOUND DRESSING APPARATUS

The composite wound dressing apparatus promotes healing of a wound via the use of a vacuum pump. The vacuum pump applies a vacuum pressure to the wound to effectively draw wound fluid or exudate away from the wound bed. The vacuum pump is tethered to the wound dressing and is portable, preferably, carried by the patient in a support bag, which permits patient mobility. Moreover, the patient does not need to be constrained for any period of time while exudate is being removed from the wound. 113.-. (canceled)14. A wound dressing comprising:a first layer and a second layer arranged in superposed relation, the first layer configured to be in direct contact with a wound and the second layer configured to absorb wound fluid, the second layer positioned over the first layer; and a pressure sensor configured to detect pressure within the wound dressing;', 'an oxygen sensor configured to detect an oxygen level of the wound; and', 'a temperature sensor configured to detect a temperature of the wound., 'a plurality of sensors incorporated into one or more of the first or second layers, the plurality of sensors comprising15. The wound dressing of claim 14 , wherein the oxygen sensor is further configured to detect an oxygen level adjacent the wound.16. The wound dressing of claim 14 , wherein the first layer comprises a plurality of perforations configured to allow unidirectional flow of the wound fluid toward the second layer.17. The wound dressing of claim 14 , wherein the second layer comprises an absorbent material.18. The wound dressing of claim 17 , wherein the absorbent material comprises a material selected from the group consisting of foams claim 17 , nonwoven composite fabrics claim 17 , cellulosic fabrics claim 17 , super absorbent polymers claim 17 , and combinations thereof.19. The kit comprising the wound dressing of and a vacuum pump configured to be fluidically connected to the wound dressing.20. The kit of claim 19 , further comprising a controller configured ...

WOUND TREATMENT APPARATUSES AND METHODS FOR CONTROLLED DELIVERY OF FLUIDS TO A WOUND

Pump cassettes, wound-treatment apparatuses and methods. In some embodiments, a pump cassette comprises: a pump body having a pump chamber, an inlet valve in fluid communication with the pump chamber, and an outlet valve in fluid communication with the pump chamber; a diaphragm coupled to the pump body such that the diaphragm is movable to vary a volume in the pump chamber; and an identifier configured to store one or more properties of the pump cassette such that the identifier is readable by an automated reader to determine the one or more properties. In some embodiments, the pump cassette is configured to be removably coupled to a wound-treatment apparatus having an actuator such that the actuator can be activated to move the diaphragm. 1. A system for applying negative pressure and delivering fluids to a tissue site , comprising:a first pump having a first chamber closed by a first diaphragm movably operable to vary the volume of the first chamber, an inlet for receiving a first fluid, and an outlet for discharging the first fluid from the first chamber to the tissue site in response to movement of the first diaphragm;a first actuator adapted to be coupled to the first diaphragm and operable to move the first diaphragm to discharge a predetermined volume of the first fluid to the tissue site in a first predetermined fashion determined by a first code;a second pump having a second chamber closed by a second diaphragm movably operable to vary the volume of the second chamber, an inlet for receiving a second fluid, and an outlet for discharging the second fluid from the second chamber to the tissue site in response to movement of the second diaphragm;a second actuator adapted to be coupled to the second diaphragm and operable to move the second diaphragm to discharge a predetermined volume of the second fluid to the tissue site in a second predetermined fashion determined by a second code; anda controller coupled to the first actuator and the second actuator and ...

Wound cleansing apparatus in-situ

An apparatus for cleansing wounds, in which wound exudate is removed from a wound bed and selectively cleansed and returned to the wound. The cleansing means removes materials deleterious to wound healing, and the cleansed fluid, still containing materials that are beneficial in promoting wound healing, is returned to the wound bed. The associated wound dressing and cleansing means are conformable to the wound, and may have irrigant fluid circulated from a reservoir by a device for moving fluid through a flow path which passes through the dressing and a means for fluid cleansing and back to the dressing.

METHOD OF HARVESTING AND PROCESSING SOFT TISSUE AND KIT THEREFOR

A method for autologous soft tissue transfer and a single use surgical kit are provided. The method includes harvesting soft tissue with a tumescent fluid and filtering the harvested soft tissue to obtain a drained aspirate. The single use surgical kit includes at least one syringe, at least one infiltration cannula, at least one aspiration cannula, and at least one tissue filter. The infiltration cannula has a spiral hole array. 1. A method for autologous soft tissue transfer , comprising:a. harvesting soft tissue with a tumescent fluid; andb. filtering harvested soft tissue to obtain a drained aspirate.2. The method of claim 1 , further comprising a step selected from the group consisting of: infiltrating the tumescent fluid into the soft tissue; washing the drained aspirate with an equal amount of sterile saline; filtering the washed drained aspirate to obtain a washed aspirate; resizing the drained aspirate to produce stromal vascular tissue; grafting the drained aspirate; and combinations thereof.3. A single use surgical kit claim 1 , comprising at least one syringe claim 1 , at least one infiltration cannula claim 1 , at least one aspiration cannula claim 1 , and at least one tissue filter claim 1 , wherein the at least one infiltration cannula has a spiral hole array.4. The single use surgical kit of claim 3 , further comprising a component selected from the group consisting of: a micronizer; a female luer connector; at least one syringe adapter; a filter housing; at least one transfer cannula; at least one syringe clip; at least one luer cap; a stroma stamp; and combinations thereof.5. A method for autologous soft tissue transfer claim 3 , comprising utilizing the single use surgical kit of to harvest and filter soft tissue. This application claims the benefit of priority of U.S. provisional application No. 62/816,324, filed Mar. 11, 2019, the contents of which are herein incorporated by reference.The present invention relates to autologous soft tissue ...

COLLECTION SYSTEM FOR SURGICAL USE

A surgical collection assembly for filtering material from liquid obtained during surgery. A jar having an inlet and an outlet each adapted for connection to a suction line. A set of orientation features to position an upper portion of a collection basket within the jar such that an upper portion of the collection basket does not impede a flow of material entering the jar through the inlet. A bottom surface with a pattern of recessed paths in the bottom surface, the pattern of recessed paths connected to the outlet. A plunger assembly that may be reversibly attached to the jar so that a distal end of a plunger may be used to compress collected material within the collection basket to help remove fluid from the collected material. For certain uses, the surgical collection assembly may have a simple jar lid without an integrated plunger. 2. The surgical collection assembly of wherein at least a portion of the basket sidewalls are liquid permeable.3. The surgical collection assembly of wherein at least a portion of the basket bottom is liquid permeable.4. The surgical collection assembly of wherein the bottom surface of the collection jar has a pattern of recessed paths that are connected to the jar outlet.5. The surgical collection assembly of wherein:the set of orientation features to position the upper portion of the collection basket force the set of at least one basket handle to be located in one of a set of predefined positions within the collection jar; andat least one of the set of predefined position within the collection jar aligns an opening in at least one basket handle with the jar inlet so that when suction is applied to the jar outlet to pull liquid and non-liquid material through the section of tubing connected to the jar inlet, the liquid and non-liquid material pass into the collection basket through the opening in the at least one basket handle.6. The surgical collection assembly of wherein:the set of at least one basket handle is adapted to make ...

APPARATUS FOR ASPIRATING, IRRIGATING AND CLEANSING WOUNDS

An apparatus for cleansing wounds in which irrigant fluid from a reservoir connected to a conformable wound dressing and wound exudate from the dressing are recirculated by a device for moving fluid through a flow path which passes through the dressing and a means for fluid cleansing and back to the dressing. The cleansing means (which may be a single-phase, e.g. microfiltration, system or a two-phase, e.g. dialytic system) removes materials deleterious to wound healing, and the cleansed fluid, still containing materials that are beneficial in promoting wound healing, is returned to the wound bed. The dressing and a method of treatment using the apparatus. 110-. (canceled)11. A conformable wound dressing for applying negative pressure to a wound comprising;a backing layer with a wound-facing face which is capable of forming a relatively fluid-tight seal or closure over a wound;a resiliently conformable wound filler under the backing layer;a manifold under the backing layer and under the wound filler wherein said manifold is configured to collect fluid from the wound when the dressing is in use; andwherein the manifold comprises a plurality of layers arranged in a stack wherein one or more of said layers comprises rows of openings formed therein; anda fluid outlet conduit configured to provide fluid communication between a negative pressure source and the wound dressing.12. The wound dressing of claim 11 , wherein the wound filler comprises foam.13. The wound dressing of claim 11 , wherein the wound filler is configured to communicate with the fluid outlet conduit through at least one of an aperture claim 11 , hole claim 11 , opening or orifice.14. The wound dressing of claim 11 , wherein the openings comprise slits.15. The wound dressing of claim 14 , wherein the slits comprise slits formed in a first direction and slits formed in a second direction.16. The wound dressing of claim 15 , wherein the second direction is perpendicular to the first direction.17. The ...

PORTABLE DEVICE WITH DISPOSABLE RESERVOIR FOR COLLECTION OF INTERNAL FLUID AFTER SURGERY FROM A PLURALITY OF SITES SIMULTANEOUSLY

A system, method, and apparatus for the collection of surgical/wound fluid from a subject patient with the capability of simultaneous fluid removal from a plurality of such wounds and/or wound through the utilization of a single pump device worn by such a patient. Such a system, method, and apparatus allow for such a single pump device to collect surgical/wound fluid within a single site collection component attached to or associated with such a single pump device. Multiple fluid transfer lines may be incorporated with the single pump device leading to such plurality of wounds and/or wound sites for greater versatility and comfort for the subject patient, as well as cleaner removal capabilities than in the standard apparatus systems and method currently undertaken within the industry. 1. A system for simultaneous collection of internal fluid from a plurality of wounds or incisions , said system comprising:a single device having i) at least one pump unit, ii) at least two drain structures for introduction within at least two of said plurality of wounds or incisions, and iii) at least two fluid collectors for collection of fluid from said plurality of wounds or incisions; said pump unit comprising a pump unit housing, at least two inlet ports, at least two outlet ports, and at least one fluid pump in fluid communication with both of said at least two inlet ports and said at least two outlet ports; wherein said at least two inlet ports are connected with said at least two drain structures; wherein said at least two outlet ports are connected with said at least two fluid collectors; wherein said pump unit is configured to create a continuous negative pressure between said at least one fluid pump and said at least two drainage structures to draw said fluid through said at least two drainage structures into said at least one fluid pump through said at least two inlet ports, and to create a positive pressure between said at least one fluid pump and said at least two fluid ...

Reduced-pressure systems, dressings, and methods facilitating separation of electronic and clinical component parts

Systems, dressings, and related methods, for providing reduced pressure to a tissue site on a patient are presented that involve using a self-contained reduced-pressure dressing. The dressing includes an absorbent pouch and an electronics pouch. The absorbent pouch has an absorbent for absorbing liquid from the tissue site, and the electronics pouch has a pump for applying reduced pressure to the tissue site through the absorbent pouch. The electronics pouch is removably coupled to the absorbent pouch such that the electronics pouch and absorbent pouch may be easily separated for disposal.

SILENCER FOR VACUUM SYSTEM OF A WOUND DRAINAGE APPARATUS

Apparatus () for the provision of TNP therapy to a wound is described, the apparatus () including: a waste canister () into which fluid is aspirated from a wound by aspiration pump means () and a fluid flow path () for at least a part of said aspirated fluid on an outlet side of said aspiration pump means () wherein said fluid flow path () on the outlet side comprises a silencing system () having a plurality of silencing elements () therein. 111-. (canceled)12. A negative pressure wound therapy apparatus comprising:a casing defining a first interior volume;a negative pressure source positioned in the first interior volume, the negative pressure source configured to provide reduced pressure to a wound; and at least one exhaust conduit;', 'a plenum chamber fluidically connected to the at least one exhaust conduit, wherein the plenum chamber is positioned within the first interior volume, and wherein the plenum chamber comprises a housing defining a second interior volume comprising sound absorbing material; and', 'a removable cover integrated into the casing, the cover configured to seal the second interior volume in a first position, the cover further configured to provide access to the second interior volume in a second position so that the sound absorbing material can be replaced, wherein the sound absorbing material is configured to remain within the first interior volume when the cover is moved from the first position to the second position., 'a silencing system configured to reduce noise generated by the negative pressure source, the silencing system comprising13. The apparatus of further comprising a waste canister positioned outside the first interior volume and configured to be attached to the casing.14. The apparatus of claim 12 , wherein the plenum chamber comprises an outer rim claim 12 , and wherein the removable cover is configured to seal the second interior volume by engaging with the outer rim in the first position.15. The apparatus of claim 12 , ...

NEGATIVE PRESSURE WOUND THERAPY DEVICE WITH SILENT PIEZOELECTRIC PUMP

A negative pressure wound therapy device includes at least one piezoelectric pump and a control circuit. The control circuit is configured to generate a first control signal to control operation of the at least one piezoelectric pump, the control signal having a first root mean square (RMS) voltage, transmit the first control signal to the at least one piezoelectric pump, identify at least one of a change of state of the at least one piezoelectric pump or an expiration of a duration of time associated with operation of the at least one piezoelectric pump, responsive to identifying the at least one of the change of state or the expiration of the duration of time, generate a second control signal having a second RMS voltage less than the first RMS voltage, and transmit the second control signal to the at least one piezoelectric pump. 1. A negative pressure wound therapy device , comprising:at least one piezoelectric pump configured to apply a vacuum to a wound site; and generate a first control signal to control operation of the at least one piezoelectric pump, the control signal having a first root mean square (RMS) voltage;', 'transmit the first control signal to the at least one piezoelectric pump;', 'identify at least one of a change of state of the at least one piezoelectric pump or an expiration of a duration of time associated with operation of the at least one piezoelectric pump;', 'responsive to identifying the at least one of the change of state or the expiration of the duration of time, generate a second control signal having a second RMS voltage less than the first RMS voltage; and', 'transmit the second control signal to the at least one piezoelectric pump., 'a control circuit configured to2. The negative pressure wound therapy device of claim 1 , further comprising a temperature sensor configured to detect a first temperature of the at least one piezoelectric pump and output the first temperature to the control circuit claim 1 , wherein the control ...

WOUND CLOSURE AND DRAINAGE SYSTEM

A vacuum system for draining an open wound from liquids exuded therefrom, comprising an enclosure sealable to the wound circumference, a vacuum pump including a disposable pump unit detachably attachable to a non-disposable drive unit, and a waste container for collection of drained liquids. The enclosure has an outlet connected by means of a tube to an inlet of the pump unit and the waste container is connected to an outlet of the pump unit, such that when the vacuum pump is operated the drained liquids flow through the vacuum pump. The enclosure has one or more bleeding holes provided therethrough or adjacent to its outlet so that ambient air may enter the tube and flow together with the drained liquids. The enclosure and the waste container are disposable so that the drained liquids contact only disposable elements and may be disposed of together with all disposable elements 1. A vacuum system for draining an open wound from liquids exuded therefrom , comprising an enclosure sealable to the wound circumference so as to define a confined volume , a vacuum pump in fluid communication with said confined volume , and a waste container for collection of drained liquids in fluid communication with said vacuum pump ,wherein said confined volume is connected to an inlet of said vacuum pump and said waste container is connected to an outlet of said vacuum pump, such that when said vacuum pump is operated the drained liquids flow through said vacuum pump.2. The vacuum system of claim 1 , wherein said enclosure has an outlet connected by means of a tube to said inlet of the vacuum pump claim 1 , and one or more bleeding holes are provided through said enclosure or adjacent to its outlet so that ambient air may enter said tube and flow together with the drained liquids.3. The vacuum system of claim 1 , wherein said vacuum pump includes a disposable pump unit detachably attachable to a non-disposable drive unit claim 1 , said enclosure and said waste container being ...

CONNECTOR SYSTEM FOR A NEGATIVE PRESSURE WOUND THERAPY SYSTEM

The present disclosure relates to a connector device for a negative pressure wound therapy system having a connector housing, a fluid outlet connected to the connector housing, an air feeding port and an air filter and coupling means. The fluid outlet is adapted to be connected to a negative pressure source. The connector device is adapted to be engaged with a wound side connector of a wound side assembly by means of the coupling means. The wound side assembly includes a fluid removing conduit and an air supplying conduit, wherein a portion of each one of the fluid removing conduit and the air supplying conduit is connected to the wound side connector. The connector device when engaged with the wound side connector, the fluid removing conduit is fluidly connected to the fluid outlet and the air supplying conduit is fluidly connected to the air feeding port such that air ambient of the connector device can be fed to the air supplying conduit via the air feeding port and the air filter. 1. A connector device for a negative pressure wound therapy system , said connector device comprising:a connector housing,a fluid outlet connected to said connector housing,an air feeding port and an air filter, andcoupling means, said fluid outlet is adapted to be connected to a negative pressure source,', 'said connector device being adapted to be engaged with a wound side connector of a wound side assembly by means of said coupling means,', 'said wound side assembly comprising a fluid removing conduit and an air supplying conduit,', said fluid removing conduit is fluidly connected to said fluid outlet and,', 'said air supplying conduit is fluidly connected to said air feeding port such that air ambient of said connector device can be fed to said air supplying conduit via said air filter and said air feeding port., 'a portion of each one of said fluid removing conduit and said air supplying conduit being connected to said wound side connector, said connector device being such that ...

SELF CONTAINED WOUND DRESSING WITH MICROPUMP

A composite wound dressing apparatus promotes healing of a wound via the use of a micropump system housed within or above a wound dressing member. The micropump system includes a miniature pump that applies a subatmospheric pressure to the wound to effectively draw wound fluid or exudate away from the wound bed without the need for a cumbersome external vacuum source. Hence, the wound dressing and micropump system is portable which allows the patient mobility that is unavailable when an external vacuum source is used. The patient does not need to be constrained for any period of time while exudate is being removed from the wound. 121.-. (canceled)22. A negative pressure wound treatment apparatus , comprising: a contact layer comprising a plurality of perforations through the contact layer that allow for fluid to pass there through;', 'a capillary layer located above the contact layer configured to allow transmission of fluid away from the wound site;', 'an absorbent layer located above the capillary layer configured to form a reservoir for fluid removed from the wound site, wherein the absorbent layer comprises super absorbent polymer material; and', 'a cover layer located above the absorbent layer; and, 'a wound dressing configured to be positioned over a wound site, the wound dressing comprisinga negative pressure source configured to apply negative pressure to the wound site through the perforations in the contact layer and through the capillary layer and configured to draw fluid from the wound site into the absorbent layer.23. The apparatus according to claim 22 , wherein the cover layer comprises a transparent material.24. The apparatus according to claim 22 , wherein the cover layer comprises an adhesive configured to adhere to skin surrounding the wound site.25. The apparatus according to claim 24 , wherein the cover layer does not adhere to the absorbent layer.26. The apparatus according to claim 22 , wherein the capillary layer comprises a plurality of ...

Methods Of Managing Moisture When Using A Low Profile Wound Connection Conduit

A low-profile dressing interface or connector may comprise at least two side-by-side fluid pathways fluidly coupled to a recessed space of the connector, one for providing negative pressure to a tissue interface and the other for sensing negative pressure within the recessed space adjacent the tissue interface. The apparatus may comprise a top layer having a plurality of closed cells with tapered sidewalls. The apparatus may also comprise a base layer forming a sealed space between the top layer and the base layer. The base layer may further include a plurality of closed cells having tapered sidewalls. The apparatus may then further comprise a barrier coupled between the top layer and the base layer to form two fluid pathways within the sealed space. 1. An apparatus for managing fluid in a system for treating a tissue site , the apparatus comprising:a first layer including polymeric film;a second layer including polymeric film coupled to the first layer to form a sealed space between the first layer and the second layer, the sealed space including a port at a proximal end of the sealed space;a first inner layer including a polymeric film disposed between the first layer and the second layer and defining a plurality of closed cells with the first layer, the closed cells including sidewalls having a thickness tapering from the first layer to a distal end within the sealed space; andan applicator having an aperture formed in the second layer at a distal end of the sealed space, wherein the aperture exposes a portion of the plurality of closed cells to define a recessed space adapted to be fluidly coupled to the tissue site.2. The apparatus of claim 1 , wherein the polymeric film is polyurethane having an average thickness between about 250 μm and about 1000 μm.36.-. (canceled)7. The apparatus of claim 1 , wherein the polymeric film is polyurethane having an average thickness between about 250 μm and about 1000 μm and the distal end of the closed cells have an average ...

Therapy apparatus with integrated fluid conductors and noise attenuation

In one example embodiment, an apparatus may include a panel with integrated fluid channels, wherein the panel and the fluid channel consist only of surfaces that can be manufactured with a straight-pull mold. A port may also be integrated into the panel to facilitate coupling the fluid channel to pneumatic components in an assembly. A seal may be secured to the panel over the fluid channel to form an integrated fluid conductor. The seal is preferably an adhesive label that can also be used for product labeling. Such an apparatus may be used in a control unit of a therapy system, employing several integrated fluid conductors. A method of manufacturing may include molding a panel, wherein the mold forms a channel integral to the panel. The panel and the channel preferably consist of surfaces that can be molded with a straight-pull mold.

SYSTEM AND METHOD FOR UTILIZING PRESSURE DECAY TO DETERMINE AVAILABLE FLUID CAPACITY IN A NEGATIVE PRESSURE DRESSING

A negative pressure wound therapy system includes at least one sensor coupled to a wound dressing for a wound of a patient, and a processing circuit. The at least one sensor is configured to output a measurement of the pressure in the wound dressing. The processing circuit is configured to open a sealable aperture, receive the pressure measurements in the wound dressing, calculate a rate of pressure decay, correlate the rate of pressure decay in the wound dressing to a wound dressing fluid absorbent capacity and other therapy parameters, and output the wound dressing fluid absorbent capacity and other therapy parameters to a remote electronic device. 1. A negative pressure wound therapy system , comprising:at least one sensor coupled to a wound dressing for a wound of a patient, the at least one sensor configured to detect a pressure in the wound dressing;a sealable aperture coupled to the at least one sensor; and open the sealable aperture to induce a pressure change between the pressure in the wound dressing and atmospheric pressure;', 'calculate a rate of pressure decay in the wound dressing based on the pressure change; and', 'calculate a wound dressing fluid absorbent capacity based on the rate of pressure decay; and, 'a processing circuit configured toa communications circuit coupled to the processing circuit, the communications circuit configured to transmit data to a remote electronic device.2. The negative wound therapy system of claim 1 , wherein the negative pressure wound therapy system is canister-free.3. The negative wound therapy system of claim 1 , wherein the processing circuit is configured to open the sealable aperture to calculate the wound dressing fluid absorbent capacity at start up.4. The negative pressure wound therapy system of claim 1 , wherein the processing circuit is configured to store the pressure change over time.5. The negative pressure wound therapy system of claim 4 , wherein the processing circuit is further configured to ...

DEVICE AND METHOD FOR WOUND THERAPY

A wound therapy device is disclosed. The wound therapy device may include a housing for covering at least a portion of a wound and for sealing to a body surface of a patient. The housing may also include a liquid collector for retaining liquid therein and a vacuum connection for coupling to a vacuum source. The vacuum connection may be in gaseous communication with the liquid collector. The vacuum connection may be separated from the liquid collector by a liquid barrier. 158.-. (canceled)59. A wound therapy device , comprising:a vacuum source module comprising a vacuum source capable of generating negative pressure and a pressure controller for controlling the amount of negative pressure; a flexible wound cover to cover at least a portion of a wound site;', 'a porous liquid collector positioned within the flexible wound cover and in communication with the wound site, wherein said porous liquid collector is configured to retain wound exudate while simultaneously communicating negative pressure generated by the vacuum source module to the wound site;', 'a seal for sealing the dressing module to a surface around the wound site; and, 'a dressing module comprisinga coupling for maintaining the vacuum source module attached to and in communication with the dressing module, the coupling comprising an adhesive on the vacuum module configured to adhere the vacuum source module to the dressing module.60. The wound therapy device of claim 59 , wherein the vacuum source module comprises a power source.61. The wound therapy device of claim 59 , wherein the vacuum source module comprises a pressure sensor.62. The wound therapy device of claim 59 , wherein the vacuum source module comprises a control module comprising a circuit board.63. The wound therapy device of claim 59 , wherein the vacuum source module comprises an outlet claim 59 , wherein the outlet comprises a filter.64. The wound therapy device of claim 59 , wherein the coupling is configured to allow negative pressure ...

DEVICE AND METHOD FOR RESIZING ADIPOSE TISSUE FOR IMPLANTATION

A deagglomerator for use in resizing masses of cells is disclosed. The deagglomerator may include a plurality of apertures defined by a plurality of front and back edges. The masses of cells may be passed through the plurality of apertures from the front to the back, and from the back to the front, repeatedly. The deagglomerator may also include a plurality of blades that may aid in the deagglomeration of the cell masses. The deagglomerator may be configured between two syringes so that the tissue may be passed back and forth from the first syringe through the device to the second syringe, and then back again from the second syringe through the device and to the first syringe. In this way, the masses of cells may be properly deagglomerated. 1. A device comprising:(a) a housing assembly defining an inner volume, the housing assembly comprising a first port, a second port, and defining a fluid flow path therebetween, wherein the first port and second port are adapted to connect to a first syringe and a second syringe, respectively;(b) a cutting element disposed within the inner volume and substantially perpendicular to the flow path,wherein the cutting element comprises a plurality of rigid members defining a plurality of apertures,wherein the rigid members comprise a cutting edge on at least one face and wherein the apertures are 0.05 mm-10 mm in length.2. The device of claim 1 , wherein the housing assembly comprises two housing members.3. The device of claim 2 , wherein the housing members are frustoconical in shape.4. The device of claim 1 , wherein the cutting element members comprise a cutting edge on both faces.5. The device of claim 1 , wherein the device comprises two or more cutting elements.6. The device of claim 5 , wherein the device comprises a first cutting element comprises apertures that are 0.5 mm-10 mm in length.7. The device of claim 6 , wherein the device comprises a second cutting element comprises apertures that are 0.1 mm-2.5 mm in length and ...

DEVICE FOR TREATING FAT CELLS TAKEN FROM A PATIENT AND INTENDED FOR A TRANSPLANT

The present invention relates to a device and a method for FIG. treating fat cells taken from a patient and intended for a transplant. More specifically, it relates to a device and a method by suctioning which makes it possible to separate the viable fat cells from the residues and elements which are not transplantable. The device is a device for treating adipose tissues (G) connected to a suctioning means (M), consisting of a sealed treatment chamber (A) comprising a means for connection () to said suctioning means (M), a means for inlet () of said adipose tissues before treatment, a filtration means () and at least one means for outlet () of said adipose tissues (G) after treatment, said filtration means () comprising a conically shaped external wall () comprising a narrow base () attached to an impeller () and an internal sieving means () connected to the output means (), said impeller () being subjected to the air pressure reduction created by the suctioning means (M) and constituting a rotary mechanical actuating means for actuating said filtration means (). 117133203313155253020253. Device for processing adipose tissues (G) connected to a suctioning means (M) , distinctive in that it is comprised of a mechanical and hermetic processing chamber (A) including a connection means () to said suctioning means (M) , an input means () of said adipose tissues (G) before processing , a filtration means () and at least one output means () of said adipose tissues (G) after processing , said filtration means () including at least one conical-shaped wall ( ,′) including a narrowed base () fixed on an impeller () and a screening means () connected to the output means () , said impeller () being subjected to the air vacuum created by the suctioning means (M) and comprising a rotating mechanical activation means of said filtration means ().213. Device for processing adipose tissues (G) as per claim 1 , distinctive in that the input means () of said adipose tissues (G) ...

HYDROGEL WOUND DRESSING FOR USE WITH SUCTION

A wound dressing comprising: an air-impermeable backing sheet having an aperture for attachment of a suction element; an air-permeable screen layer on a wound facing side of the backing sheet; and a substantially air-impermeable hydrogel layer extending across a wound facing side of said screen layer and joined in substantially airtight fashion to a periphery of said backing sheet around said screen layer. Also provided is a wound treatment system comprising a wound dressing according to the invention and a source of suction in fluid communication with said aperture. 114-. (canceled)15. A system for the treatment of a tissue site with negative pressure , the system comprising:a source of suction; and a screen layer; and', 'a hydrogel layer, wherein the hydrogel layer is resorbable., 'a wound dressing in fluid communication with the source of suction and comprising16. The system of claim 15 , wherein the screen layer is rigid or semi-rigid to support the air-impermeable hydrogel layer.17. The system of claim 15 , wherein the screen layer is a porous foam.18. The system of claim 15 , wherein the screen layer is an open-cell foam.19. The system of claim 15 , further comprising a suction manifold connected to the source of suction and located inside the screen layer.20. The system of claim 15 , wherein the hydrogel layer comprises a biopolymer.21. The system of claim 15 , wherein the hydrogel layer comprises oxidized reduced cellulose (ORC).22. The system of claim 15 , wherein the hydrogel layer comprises silver.23. A method of treating a wound claim 15 , comprising:applying a dressing comprising a screen layer and a hydrogel layer, wherein the hydrogel layer is resorbable; andapplying reduced pressure to a non-wound-facing surface of the hydrogel layer.24. The method of claim 23 , wherein the screen layer is rigid or semi-rigid to support the air-impermeable hydrogel layer.25. The method of claim 23 , wherein the screen layer is a porous foam.26. The method of claim 23 ...

DEVICE AND METHODS FOR LIFTING PATIENT TISSUE DURING LAPAROSCOPIC SURGERY

A surgical device that provides a suction force against a patient's body. The device includes a handle and a suction head pivotally attached to the handle. The suction head includes an open-ended suction chamber having a rim positioned to engage the patient's skin. An actuator on the handle operates a pump to draw a negative pressure in the suction chamber, causing the rim to seal against the patient's skin via the suction force. Once the suction force is initiated, the user may lift the handle away from the patient's body to lift tissue. The lifted tissue provides a site for insertion of a trocar or Veress needle for a laparoscopic procedure in some embodiments. A gimbal disposed between the handle and the suction head provides at least two degrees of freedom such that the handle can be rotated and pivoted to optimize the direction of applied lifting force. 1. A surgical device apparatus , comprising:a handle;a pump disposed in the handle, the pump configured for drawing a negative pressure;an actuator disposed on the handle, the actuator linked to the pump; anda suction head attached to the handle at an articulating joint, the suction head defining a suction chamber in fluid communication with the pump, wherein the pump is operable to communicate the negative pressure to the suction chamber,wherein the joint includes at least one angular degree of freedom between the handle and the suction head.2. The apparatus of claim 1 , further comprising an actuator travel slot defined in the handle claim 1 , wherein the actuator travels along the actuator travel slot when the pump is operated.3. The apparatus of claim 2 , further comprising a pump spring disposed in the handle.4. The apparatus of claim 3 , further comprising a pump piston disposed in the handle.5. The apparatus of claim 4 , wherein the pump spring biases the piston toward the suction head.6. The apparatus of claim 5 , wherein the interior of the handle forms a pump piston cylinder along which the pump piston ...

NEGATIVE PRESSURE WOUND THERAPY APPARATUS AND METHODS FOR OPERATING THE APPARATUS

Disclosed embodiments relate to apparatuses and methods for wound treatment. In certain embodiments, a negative pressure wound therapy apparatus includes one or more indicators configured to illuminate in a pattern to communicate at least one of a status of a pump assembly and/or of a dressing. The pattern is configured to enable an electronic device comprising at least one camera to capture the illumination pattern of the one or more indicators and to determine the status corresponding to the pattern of illumination. In some embodiments, a negative pressure wound therapy apparatus is powered by an energy generator that has a first side configured to be in contact with a skin surface of a patient and a second side configured to be exposed to atmosphere, and the energy generator is configured to utilize a temperature differential between the skin surface and the atmosphere to generate electrical energy to power the apparatus. In some embodiments, a negative pressure wound therapy apparatus is powered by an energy harvester that utilizes radio frequency spectrum to power one or more components of negative pressure wound therapy apparatus. In certain embodiments, a negative pressure wound therapy apparatus includes one or more RF energy harvesters to power a pump assembly. 1. An apparatus for use in negative pressure wound therapy , comprising:a dressing configured to be placed over a wound;a pump assembly, comprising:a source of negative pressure configured to be fluidically connected to the dressing; andone or more indicators; anda power source comprising an energy generator in electrical communication with the pump assembly, wherein the energy generator has a first side configured to be in contact with a skin surface of a patient and a second side configured to be exposed to atmosphere and the energy harvester is configured to utilize a temperature differential between the skin surface and the atmosphere to generate electrical energy.2. The apparatus of claim 1 , ...

DRESSING AND METHOD FOR APPLYING REDUCED PRESSURE TO AND COLLECTING AND STORING FLUID FROM A TISSUE SITE

A reduced pressure treatment system includes a reduced pressure source and a reduced pressure dressing. The dressing includes an interface layer adapted to be positioned at a tissue site and an absorbent layer in fluid communication with the interface layer to absorb liquid from at least one of the interface layer and the tissue site. A diverter layer is positioned adjacent the absorbent layer, and the diverter layer includes a plurality of apertures in fluid communication with the absorbent layer to distribute a reduced pressure to the absorbent layer. A cover is positioned over the diverter layer to maintain the reduced pressure at the tissue site. 134-. (canceled)35. A reduced pressure dressing adapted to distribute a reduced pressure to a tissue site , the dressing comprising:an interface layer adapted to be positioned at the tissue site;a first manifold layer positioned in fluid communication with the interface layer to distribute the reduced pressure to the interface layer;an absorbent layer in fluid communication with the first manifold layer to absorb liquid from at least one of the first manifold layer, the interface layer, and the tissue site;a diverter layer positioned adjacent the absorbent layer, the diverter layer formed from a substantially gas-impermeable material, the diverter layer including a plurality of spaced apertures in fluid communication with the absorbent layer;a second manifold layer in fluid communication with the diverter layer to distribute the reduced pressure to the diverter layer;a cover to maintain the reduced pressure at the tissue site, the cover having an aperture through which the reduced pressure is adapted to be delivered to the dressing; anda liquid-air separator positioned between the second manifold and the cover to inhibit liquid from exiting the dressing.36. The reduced pressure dressing of claim 35 , wherein the interface layer is hydrophobic.37. The reduced pressure dressing of claim 35 , wherein the absorbent layer ...

Waste Collection Unit With A Control System For Regulating Levels Of Vacuums Being Drawn In Waste Containers

A waste collection unit for collecting waste material. First and second waste containers are supported on a portable cart. A control panel is configured to receive one or more inputs of selectively set vacuum levels in the first and/or second waste containers. A control system controls operation of vacuum regulators based on the input(s) to regulate levels of vacuums being drawn in each of the waste containers. Pressure sensors in communication with the control system may be positioned to monitor pressure in the waste containers. A back up port support on the portable cart may be provided to receive a vacuum line for coupling a vacuum manifold to a remote vacuum source not located on the portable cart. Container lamps may be coupled to the first and/or second waste containers and configured to illuminate the waste material within the waste containers to be viewed through transparent windows. 1. A waste collection unit for collecting waste material , said waste collection unit comprising:a portable cart;a first waste container supported on said portable cart and configured to collect the waste material during the medical procedure;a second waste container supported on said portable cart and configured to collect the waste material during the medical procedure;a vacuum pump supported on said portable cart and in fluid communication with said first and second waste containers to draw the waste material into said waste containers;a first vacuum regulator between said first waste container and said vacuum pump with said first vacuum regulator configured to regulate a vacuum level in said first waste container;a second vacuum regulator between said second waste container and said vacuum pump with said second vacuum regulator configured to regulate a vacuum level in said second waste container;a control panel configured to receive a first input of a selectively set vacuum level in said first waste container and a second input of a selectively set vacuum level in said ...

WOUND TREATMENT APPARATUS AND METHOD

An apparatus and method for aspirating, irrigating and/or cleansing wounds is provided. The apparatus and method include one or more of the following: simultaneous aspiration and irrigation of the wound, supplying of thermal energy to fluid circulated through the wound; supplying physiologically active agents to the wound; a biodegradable scaffold in contact with the wound bed; and application of stress or flow stress to the wound bed. 16-. (canceled)7. An apparatus comprising:a wound dressing;a fluid container having an inlet and an outlet;a tube configured to connect the wound dressing to the fluid container, thereby forming a fluid flow path;a filter positioned downstream of the inlet;a peristaltic pump configured to pump fluid through the tube, the peristaltic pump isolated from the fluid flow path; anda pressure control valve on the fluid flow path, positioned between the wound dressing and the peristaltic pump, upstream from the filter.8. The apparatus of claim 7 , wherein the pressure control valve comprises a rotary valve.9. The apparatus of claim 7 , wherein the filter comprises a microscopic filter.10. The apparatus of claim 7 , wherein the wound dressing comprises a backing layer claim 7 , the backing layer configured to form a fluid-tight seal over a wound.11. The apparatus of claim 7 , further comprising a port configured to connect to atmosphere.12. The apparatus of claim 11 , further comprising a bleed valve connected to the port.13. The apparatus of claim 12 , wherein the bleed valve comprises a motorized valve.14. The apparatus of claim 13 , wherein the motorized valve comprises a rotary valve.15. The apparatus of claim 7 , wherein the port is connected to an offtake tube.16. The apparatus of claim 7 , wherein the port is connected to a pressure monitor.17. The apparatus of claim 7 , wherein the fluid container is flexible.18. The apparatus of claim 17 , wherein the fluid container comprises a collection bag.19. The apparatus of claim 7 , wherein ...

SYSTEMS AND METHODS FOR CONTROLLING NEGATIVE PRESSURE THERAPY WITH FLUID INSTILLATION THERAPY

Systems, apparatuses, and methods for providing negative pressure with instillation fluids to a tissue site are disclosed. Some embodiments are illustrative of an apparatus or system for delivering negative-pressure and/or therapeutic solution of fluids to a tissue site, which can be used in conjunction with sensing properties of fluids extracted from a tissue site and/or instilled at a tissue site. For example, a system may comprise a tissue interface adapted to be coupled to a source of instillation fluid and a dressing interface having a therapy cavity that includes a pH sensor, a humidity sensor, a temperature sensor, and a pressure sensor embodied on a single pad within the dressing interface to provide data indicative of acidity, humidity, temperature and pressure at the tissue site. Such apparatus may further comprise algorithms for processing such data for detecting leakage and blockage conditions as well as providing information relating to the progression of healing of wounds at the tissue site. An illustrative method may comprise disposing the tissue interface at the tissue site and the therapeutic cavity in fluid communication with the tissue interface. The method may further comprise instilling fluid to the therapy cavity and then sensing the pressure, humidity, temperature, and the pH of the fluids adjacent the tissue interface. The method may further comprise determining various flow characteristics of the system by using a processing element electrically coupled to the sensors for transmitting property signals from the sensors to a controller configured to assess the property signals in order to identify the flow characteristics. 1. A system for controlling negative pressure therapy with fluid instillation therapy using properties of fluids at a tissue site , the system comprising:a tissue interface adapted to be disposed at a tissue site and adapted to be coupled to a source of instillation fluid; and a housing having a therapy cavity including an ...

WOUND THERAPY SYSTEM WITH WOUND VOLUME ESTIMATION

A wound therapy system includes a negative pressure circuit configured to apply negative pressure to a wound, a pump fluidly coupled to the negative pressure circuit and operable to control the negative pressure within the negative pressure circuit, a pressure sensor configured to measure the negative pressure within the negative pressure circuit or at the wound and a controller communicably coupled to the pump and the pressure sensor. The controller is configured to execute a pressure testing procedure including applying a pressure stimulus to the negative pressure circuit, observe a dynamic pressure response of the negative pressure circuit to the pressure stimulus using pressure measurements recorded by the pressure sensor, and estimate a wound volume of the wound based on the dynamic pressure response. 1. A wound therapy system comprising:a negative pressure circuit configured to apply negative pressure to a wound;a pump fluidly coupled to the negative pressure circuit and operable to control the negative pressure within the negative pressure circuit;a pressure sensor configured to measure the negative pressure within the negative pressure circuit or at the wound; and execute a pressure testing procedure comprising applying a pressure stimulus to the negative pressure circuit;', 'observe a dynamic pressure response of the negative pressure circuit to the pressure stimulus using pressure measurements recorded by the pressure sensor; and', 'estimate a wound volume of the wound based on the dynamic pressure response., 'a controller communicably coupled to the pump and the pressure sensor, the controller configured to2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. The wound therapy system of claim 1 , wherein the testing procedure comprises:operating the pump to establish the negative pressure within the negative pressure circuit; andapplying the pressure stimulus after the negative pressure has been established within the negative pressure ...

Tangential flow filter system for the filtration of materials from biologic fluids

Systems and methods for filtering materials from biologic fluids are discussed. Embodiments may be used to filter cerebrospinal fluid (CSF) from a human or animal subject. The method may include the steps of withdrawing fluid comprising CSF, filtering the volume into permeate and retentate by passing the fluid through a tangential flow filter, and returning the permeate to the subject. During operation of the system, various parameters may be modified, such as flow rate.

APPARATUS FOR ASPIRATING, IRRIGATING AND CLEANSING WOUNDS

An apparatus for cleansing wounds in which irrigant fluid from a reservoir connected to a conformable wound dressing and wound exudate from the dressing are recirculated by a device for moving fluid through a flow path which passes through the dressing and a means for fluid cleansing and back to the dressing. The cleansing means (which may be a single-phase, e.g. microfiltration, system or a two-phase, e.g. dialytic system) removes materials deleterious to wound healing, and the cleansed fluid, still containing mate rials that are beneficial in promoting wound healing, is returned to the wound bed. The dressing and a method of treatment using the apparatus. 110-. (canceled)11. An apparatus for treating a wound , comprising: a backing layer configured to form a closure over the wound; and', a spiral tube member; and', 'a plurality of apertures along the spiral tube member., 'an irrigation system, the irrigation system comprising], 'a wound dressing comprising12. The apparatus of claim 11 , wherein the apertures are configured to deliver fluid directly to the wound.13. The apparatus of claim 11 , further comprising an outlet tube configured to connect to the backing layer and draw fluid away from the wound.14. The apparatus of claim 13 , wherein the outlet tube is configured to be mounted to the backing layer at an opening in the backing layer.15. The apparatus of claim 14 , wherein the outlet tube is configured to provide fluid communication between a vacuum pump and the wound dressing.16. The apparatus of claim 11 , wherein the backing layer comprises an adhesive on a periphery of the backing layer claim 11 , wherein the adhesive is configured to attach the backing layer to skin around the wound.17. The apparatus of claim 11 , further comprising:a membrane layer comprising a plurality of apertures configured to contact the wound; anda wound filler.18. The apparatus of claim 17 , wherein a periphery of the backing layer extends beyond and surrounds the membrane layer ...

Delivery-And-Fluid-Storage Bridges For Use With Reduced-Pressure Systems

Systems, methods, and apparatuses are presented that facilitate the provision of reduced pressure to a tissue site by using a delivery-and-fluid-storage bridge, which separates liquids and gases and provides a flow path for reduced pressure. In one instance, a delivery-and-fluid-storage bridge includes a delivery manifold for delivering reduced pressure to a treatment manifold at the tissue site and an absorbent layer proximate the delivery manifold adapted to receive and absorb liquids. The delivery manifold and the absorbent layer are encapsulated in an encapsulating pouch. A first aperture is formed proximate a first longitudinal end of the delivery-and-fluid-storage bridge for fluidly communicating reduced pressure to the delivery manifold from a reduced-pressure source, and a second aperture is formed on a patient-facing side of the delivery-and-fluid-storage bridge. Reduced pressure is transferred to the tissue site via the second aperture. Other systems, apparatuses, and methods are disclosed. 159-. (canceled)60. A delivery-and-fluid-storage bridge , comprising:a first manifold having an outer surface an interior portion extending along a length of the delivery-and-fluid-storage bridge;a second manifold having an outer surface and interior portion;an encapsulating pouch having an inner surface enclosing the first manifold and the second manifold;a first aperture proximate a first longitudinal end of the delivery-and-fluid-storage bridge;a second aperture proximate a second longitudinal end of the delivery-and-fluid-storage bridge; anda lumen configured to measure pressure at a tissue site.61. The delivery-and-fluid-storage bridge of claim 60 , wherein the lumen is formed by a longitudinal sheet disposed within the encapsulating pouch between the first manifold and the second manifold.62. The delivery-and-fluid-storage bridge of claim 61 , wherein the encapsulating pouch comprises a first encapsulating layer and a second encapsulating layer claim 61 , and ...

WOUND DRESSING

A method and apparatus are disclosed for dressing a wound. The apparatus comprises an absorbent layer for absorbing wound exudate, a liquid impermeable, gas permeable filter layer over the absorbent layer, a cover layer comprising at least one orifice and a first liquid and gas permeable transmission layer underlying the absorbent layer. The transmission layer is in fluid communication with the filter layer. 137.-. (canceled)38. An apparatus for the treatment of a wound by applying negative pressure to the wound , the apparatus comprising:a first transmission layer configured to allow transmission of fluid away from a wound site and distribute negative pressure over the entire portion of the wound site being treated;an absorbent layer configured to absorb fluid removed from the wound site, the absorbent layer being disposed over the first transmission layer;a plurality of columns, wherein each of the plurality of columns is disposed in a corresponding channel in the absorbent layer; anda cover layer comprising an aperture and configured to cover the absorbent layer and to create a seal between the cover layer and the wound site.39. The apparatus of claim 38 , further comprising a second transmission layer disposed over the absorbent layer and the plurality of columns;40. The apparatus of claim 38 , wherein each of the plurality of columns comprises a cross-sectional shape corresponding to a cross-sectional shape of the corresponding channel.41. The apparatus of claim 39 , wherein each of the plurality of columns comprises a rectangular cross-sectional shape.42. The apparatus of claim 38 , wherein the absorbent layer comprises a hydrophilic material.43. The apparatus of claim 38 , wherein each of the plurality of columns comprise a porous material.44. The apparatus of claim 38 , wherein each of the plurality of columns extends vertically in each corresponding channel.45. The apparatus of claim 38 , the cover layer further comprising a pressure sensitive adhesive on a ...

DRESSINGS AND METHODS FOR TREATING A TISSUE SITE ON A PATIENT

Dressings, systems, and methods for treating a tissue site on a patient involve allowing liquids from the tissue site or a priming fluid to evaporate and exit the dressing through a liquid-impermeable, vapor-permeable membrane. The dressing is able to process more liquids than would otherwise be possible without evaporation and potentially to create reduced pressure. Other dressings, systems, and methods are disclosed. 141-. (canceled)42. A covering for forming a sealed space over a tissue site , the covering comprising:a film having a first portion and a second portion;an adhesive disposed on the first portion of the film; andthe second portion of the film being free of the adhesive and configured to permit evaporation of water vapor through the second portion.43. The covering of claim 42 , wherein the second portion comprises a membrane.44. The covering of claim 42 , wherein the first portion comprises a periphery of the film.45. The covering of claim 42 , wherein the second portion comprises a center of the film.46. The covering of claim 42 , wherein the first portion comprises a periphery of the film claim 42 , and the second portion comprises a center of the film.47. The covering of claim 42 , further comprising a one-way valve coupled to the film claim 42 , the one-way valve permitting fluid flow from the sealed space through the covering.48. The covering of claim 42 , further comprising a pressure-regulating valve coupled to the film claim 42 , the pressure-regulating valve permitting fluid flow into the sealed space through the film.49. The covering of claim 48 , wherein the pressure-regulating valve permits fluid flow into the sealed space in response to a maximum reduced pressure in the sealed space.50. A dressing for treating a tissue site claim 48 , the dressing comprising:a covering configured to be positioned over the tissues site to create a sealed space;a manifold configured to be positioned over the covering; anda drape configured to be positioned ...

WOUND THERAPY SYSTEM WITH INSTILLATION THERAPY AND DYNAMIC PRESSURE CONTROL

A wound therapy system includes a dressing an instillation pump fluidly communicable with the dressing and configured to provide instillation fluid to the dressing, a negative pressure pump fluidly communicable with the dressing and configured to remove air from the dressing, and a control circuit communicably coupled to the instillation pump and the negative pressure pump. The control circuit is configured to control the instillation pump to provide an amount of the instillation fluid to the dressing, provide a soak period, and control the negative pressure pump to provide a cyclic variation of negative pressure at the dressing. 1. A wound therapy system , comprising:a dressing;an instillation pump fluidly communicable with the dressing and configured to provide instillation fluid to the dressing;a negative pressure pump fluidly communicable with the dressing and configured to remove air from the dressing; and control the instillation pump to provide an amount of the instillation fluid to the dressing;', 'provide a soak period; and', 'control the negative pressure pump to provide a cyclic variation of negative pressure at the dressing., 'a control circuit communicably coupled to the instillation pump and the negative pressure pump and configured to2. The wound therapy system of claim 1 , wherein the cyclic variation of negative pressure comprises an oscillation of the pressure at the dressing across a pressure differential.3. The wound therapy system of claim 2 , wherein the pressure differential is approximately 100 mmHg.4. The wound therapy system of claim 3 , wherein the pressure differential is within a range between approximately 5 mmHg and 300 mmHg.5. The wound therapy system of claim 2 , wherein the cyclic variation of negative pressure comprises a first cycle and a second cycle; andwherein the pressure differential changes between the first cycle and the second cycle.6. The wound therapy system of claim 2 , wherein the pressure differential oscillates over ...

Wound care arrangement and covering unit therefor

The invention relates to a wound care arrangement comprising a covering unit that can be fixed on the skin surrounding a wound and that serves for producing a closed wound space comprising the wound, and a suction connection via which a vacuum can be produced in the wound space, wherein the covering unit is penneable to water vapor at least in sections.

DRAINAGE TUBE AND TREATMENT KIT WITH DRAINAGE TUBE

Drainage tube for use in wound drainage, in particular in deep drainage, having a drainage lumen surrounded by a tube jacket and extending parallel to the tube axis, the tube jacket having at least one perforation which, starting at an outer boundary area of tube jacket, extends in a transverse direction, in particular approximately perpendicular to the tube axis, and opens out into the drainage lumen. 118-. (canceled)19. A drainage tube for use in wound drainage , particularly in deep drainage , comprising:a drainage lumen surrounded by a tube jacket and extending parallel to a tube axis;wherein the tube jacket has at least one drainage perforation which, starting at an outer boundary area of the tube jacket, extends in a transverse direction to the tube axis and opens out into the drainage lumen.20. The drainage tube of claim 19 , wherein the drainage perforation claim 19 , starting an outer boundary area of the tube jacket claim 19 , extends perpendicular to the tube axis.21. The drainage tube of claim 19 , wherein the tube jacket has at least one drainage section of a given length having two claim 19 , three or a plurality of the drainage perforations opening out into the drainage lumen and a line section without any drainage perforations claim 19 , wherein an axial length of the line section without any drainage perforations is longer than an axial distance between the drainage perforations in the drainage section.22. The drainage tube of claim 19 , wherein the tube jacket is penetrated by at least one aeration lumen which extends parallel to the tube axis and is separated claim 19 , at least in sections claim 19 , from the drainage lumen by at least a portion of a tube jacket area situated radially inside of the aeration lumen.23. The drainage tube of claim 22 , wherein the tube jacket comprises two claim 22 , three or more than three of the aeration lumens that are offset against each other in a circumferential direction of the tube jacket and penetrate the ...

EXTERNALLY-APPLIED PATIENT INTERFACE SYSTEM AND METHOD

A surface-wound healing dressing for a wound or incision includes a slip drain located within the closed wound or incision. A wick is placed over the closed wound or incision in contact with the slip drain. A mat is placed over the wick and adapted for fluidic communication therewith. A recoil core includes a foam material and is adapted for placement on the mat. A wound healing method includes the steps of placing a slip drain, placing a wick over the slip drain, placing a recoil core over the wick and covering the recoil core with an overdrape. The overdrape is adapted for connection to an external negative pressure source, such as a vacuum. 1. A negative pressure wound therapy (NPWT) dressing assembly for a wound or incision , which comprises:an external fluid transfer component including a porous recoil core and configured for placement over and extracting fluid from the wound or incision;a semi-permeable overdrape placed over said external fluid transfer component, said overdrape including a perimeter configured for attachment to a skin surface around said wound or incision;an internal fluid transfer component located in said wound or incision in fluidic communication with said external fluid transfer component; andsaid recoil core configured for connection to a negative pressure source and having a compressed configuration for extracting fluid from said wound or incision under negative pressure.2. The dressing assembly according to claim 1 , which includes:said overdrape having an opening to said external fluid transfer component, said opening forming a discharge port for fluid extracted from said wound.3. The dressing assembly according to claim 2 , which includes:said external fluid transfer component including a wicking material cover over said recoil core;said recoil core forming a fluid transfer zone at its outer surface adjacent to said wicking material cover; andsaid fluid transfer zone being adapted for directing fluid from said wound or incision to ...

WOUND THERAPY SYSTEM WITH FLUID INSTILLATION AND REMOVAL

A wound therapy system is configured to deliver fluid to a wound site and remove fluid from the wound site. The wound therapy system includes a combined fluid delivery and removal line fluidly coupled to the wound site and a peristaltic pump coupled to the combined fluid delivery and removal line. The peristaltic pump is configured to operate in a first direction to deliver instillation fluid to the wound site via the combined fluid delivery and removal line and operate in a second direction opposite the first direction to remove fluid from the wound site via the combined fluid delivery and removal line. 1. A wound therapy system for delivering fluid to a wound site and removing fluid from the wound site , the wound therapy system comprising:an instillation fluid container configured to store instillation fluid for delivery to the wound site;a removed fluid container configured to store fluid removed from the wound site;a combined fluid delivery and removal line fluidly coupled to the wound site, the instillation fluid container, and the removed fluid container; and operate in a first direction to draw the instillation fluid from the instillation fluid container and deliver the instillation fluid to the wound site via the combined fluid delivery and removal line; and', 'operate in a second direction opposite the first direction to remove fluid from the wound site and deliver the removed fluid to the removed fluid container via the combined fluid delivery and removal line., 'a single pump coupled to the combined fluid delivery and removal line and configured to2. The wound therapy system of claim 1 , wherein the pump is a peristaltic pump and the combined fluid delivery and removal line passes through the peristaltic pump.3. The wound therapy system of claim 1 , further comprising a three-way valve fluidly coupled to the instillation fluid container claim 1 , the removed fluid container claim 1 , and the combined fluid delivery and removal line.4. The wound therapy ...

ABSORBENT NEGATIVE PRESSURE DRESSING

A dressing includes a drape sealable over a wound bed, a hydrophilic foam layer coupled to the drape, a plurality of superabsorbent dots positioned between the drape and the hydrophilic foam layer, a manifold layer positioned along the hydrophilic foam layer, and a plurality of superabsorbent dots positioned between the drape and the hydrophilic foam layer. The manifold layer is substantially pneumatically isolated from the superabsorbent dots by the hydrophilic foam layer. The dressing also includes one or more channels extending through the hydrophilic foam layer and a connection pad aligned with the one or more channels. The one or more channels provide pneumatic communication between the manifold layer and the connection pad. The connection pad is coupleable to a pump operable to create a negative pressure at the manifold layer. 1. A dressing , comprising:a hydrophilic foam layer comprising a wound-facing side and a non-wound-facing side;a drape sealable over a wound bed, said drape positioned above the non-wound-facing side of the hydrophilic foam layera plurality of superabsorbent dots positioned between the drape and the hydrophilic foam layer;a manifold layer positioned under the wound-facing side of the hydrophilic foam layer the manifold layer comprising a wound-facing side and a non-wound-facing side;one or more channels extending through the hydrophilic foam layer;a connection pad in fluid communication with the one or more channels, the one or more channels providing fluid communication between the manifold layer and the connection pad;wherein the connection pad is coupleable to a pump operable to create a negative pressure at the manifold layer.2. The dressing of claim 1 , further comprising a perforated film layer positioned under the wound-facing side of the manifold layer and allowing fluid to flow from the wound bed to the manifold layer.3. The dressing of claim 1 , wherein the hydrophilic foam layer is configured to absorb fluid from the manifold ...

FLUID COMMUNICATION PATH

An apparatus and method are disclosed for providing a fluid communication path to a wound site through a drape. The apparatus comprises a body portion having a lower surface and an upper surface, at least one connection port, at least one suction port and at least one fluid communication passageway between the connection port and the suction port. A connector at an end of at least one tubular conduit is locatable through the drape into an orifice in the connection port to thereby provide a fluid communication path through the drape between the tubular conduit and the wound site. 130.-. (canceled)31. A negative pressure wound therapy apparatus comprising:a body configured to be positioned at a wound facing side of a drape,a connector configured to be at least partially positioned at a non-wound facing side of the drape opposite the wound facing side, the connector comprising:a snap fit element for attaching the connector to the body; anda passageway configured to be fluidically connected to a negative pressure source;wherein the body and the connector are configured to be attached to each other with the drape positioned therebetween,wherein the snap fit element of the connector is configured to be attached to the body by pushing the connector towards the body in a direction that is substantially parallel to a wound site, andwherein the passageway of the connector is configured to provide negative pressure to the wound site under the drape through the body when the body and the connector are attached to each other.32. The negative pressure wound therapy apparatus according to claim 31 , wherein the body comprises an orifice configured to receive the connector and a chamber extending from the orifice.33. The negative pressure wound therapy apparatus according to claim 31 , wherein the connector further comprises a mouth region configured to be urged within the chamber.34. The negative pressure wound therapy apparatus according to claim 31 , wherein the connector ...

SYSTEMS, DEVICES AND METHODS FOR DRAINING AND ANALYZING BODILY FLUIDS AND ASSESSING HEALTH

Systems, devices and methods for draining and analyzing bodily fluids and assessing health are described and generally comprise a drainage tube in fluid communication with at least one opening near or at a distal end of a catheter, a pump in fluid communication with the drainage tube and configured to apply a negative pressure to the drainage tube, and a valve configured for unidirectional flow and in fluid communication with the drainage tube. A controller is configured to actuate the pump to apply the negative pressure for clearing an airlock and to monitor a urine output from the patient over a first predetermined period of time above a urine output threshold and over a second predetermined period of time below the urine output threshold. The controller may determine a risk of acute kidney injury if the urine output below the urine output threshold exceeds the second predetermined period of time. 1. A system for assessing health of a patient , comprising:a drainage tube configured to be in fluid communication with at least one opening positioned near or at a distal end of a catheter;a pump in fluid communication with the drainage tube and configured to apply a negative pressure to the drainage tube;a valve configured for unidirectional flow and in fluid communication with the drainage tube; anda controller in communication with the pump, wherein the controller is configured to actuate the pump to apply the negative pressure for clearing an airlock from the drainage tube,wherein the controller is configured to monitor a urine output from the patient over a first predetermined period of time above a urine output threshold and over a second predetermined period of time below the urine output threshold, andwherein the controller is further configured to determine a risk of acute kidney injury (AKI) if the urine output below the urine output threshold exceeds the second predetermined period of time.2. The system of wherein the pump is configured to actuate ...

REDUCED PRESSURE APPARATUS AND METHODS

Some embodiments have a pump assembly mounted to or supported by a dressing for reduced pressure wound therapy. The dressing can have visual pressure, saturation, and/or temperature sensors to provide a visual indication of the level of pressure, saturation, and/or temperature within the dressing. Additionally, the pump assembly can have a pressure sensor in communication with the flow pathway through the pump, and at least one switch or button supported by the housing, the at least one switch or button being accessible to a user and being in communication with the controller. The pump assembly can have a controller supported within or by the housing, the controller being configured to control an operation of the pump. The pump can be configured to be sterilized following the assembly of the pump such that all of the components of the pump have been sterilized. 172.-. (canceled)73. A wound dressing kit for reduced pressure wound therapy , comprising:a pump assembly;a power source; anda dressing member, wherein the pump assembly and the power source are positioned within a pouch and the pouch is adhered to the top of the dressing member and supported by the dressing member; andwherein the pouch is positioned adjacent to an end portion of the dressing member.74. The wound dressing kit of claim 73 , wherein the pump assembly and the power source are configured to remain adhered to the top of the dressing member during treatment.75. The wound dressing kit of claim 73 , wherein the dressing member comprises one or more absorbent layers.76. The wound dressing kit of claim 73 , wherein the dressing member comprises a wound contact layer.77. The wound dressing kit of claim 76 , wherein the dressing member comprises a transmission layer located above the wound contact layer wherein the transmission layer is configured to ensure that an open air channel is maintained to communicate negative pressure over a wound area.78. A wound dressing kit for reduced pressure wound therapy ...

NEGATIVE PRESSURE DEVICE AND METHOD

A negative pressure device includes a drape, a wicking element, a sealing element, a reactor, a chamber and an air permeable liquid impervious element. The drape includes an opening and is made from a flexible material that inhibits passage of liquid and air through the drape other than through the opening. The wicking element is covered by the drape. The sealing element surrounds the wicking element and cooperates with the drape to define an enclosed volume covered by the drape and surrounded by the sealing element. Air within the enclosed volume is inhibited from exiting the enclosed volume other than through the opening. The reactor is configured to react with a gas found in air to consume the gas. The chamber is in fluid communication with the reactor and the enclosed volume via the opening. The chamber is configured to maintain a predefined chamber volume while the gas is being consumed from the enclosed volume. 1. A negative pressure device comprising: a drape including an opening and being made from a flexible material that inhibits passage of liquid and air through the drape other than through the opening,', 'a wicking element covered by the drape, and', 'a sealing element surrounding the wicking element and when applied to skin cooperating with the drape to define an enclosed volume covered by the drape and surrounded by the sealing element such that air within the enclosed volume is inhibited from exiting the enclosed volume other than through the opening, and, 'a wound covering assembly including'}a reactor configured to react with a gas found in air to consume the gas;a container defining a chamber, the reactor being positioned in the chamber and the chamber being configured to maintain a predefined chamber volume while the gas is being consumed from the enclosed volume; anda connector mechanically connecting the container with the wound covering assembly, the chamber being in fluid communication with the enclosed volume via the connector.2. The negative ...

Wound Drain With Fluid Management

A treatment system for applying negative pressure to a tissue site in conjunction with a venting or purging capability. In some embodiments, the treatment system may include a reduced-pressure source, an inline storage pouch, a purge chamber, and a dressing. Reduced-pressure may be supplied to the inline storage pouch and the dressing, while the purge chamber may provide a ventilation opening to the atmosphere. 1. A system for treating a tissue site , comprising:a wound dressing for disposing proximate to the tissue site;an inline storage pouch comprising a flexible pouch body and a fluid storage material disposed within the flexible pouch body;a reduced-pressure source adapted to supply negative pressure to the inline storage pouch and the wound dressing; anda purge chamber adapted to be fluidly connected to the tissue site and to provide ventilation to the tissue site.2. The system of claim 1 , wherein the purge chamber further comprises a vent opening to the atmosphere.3. The system of claim 1 , wherein the purge chamber is configured to deliver a constant flow of ventilation to the tissue site.4. The system of claim 2 , wherein the purge chamber further comprises a microbial filter adapted to be positioned over the vent opening.5. The system of claim 1 , further comprising a drain assembly adapted to be positioned adjacent the tissue site claim 1 , wherein the drain assembly comprises a plurality of openings.6. The system of claim 1 , further comprising a purge conduit adapted to fluidly connect the purge chamber to the tissue site.7. The system of claim 1 , further comprising:a drain assembly adapted to be positioned adjacent the tissue site, wherein the drain assembly comprises a plurality of openings; anda purge conduit adapted to fluidly connect the purge chamber to the tissue site, wherein at least a portion of the purge conduit is disposed within the drain assembly.8. The system of claim 1 , wherein the wound dressing comprises a drape adapted to provide a ...

NEGATIVE PRESSURE WOUND THERAPY APPARATUS

Some embodiments disclosed herein are directed to a pump assembly comprising a voice coil, a magnet and a diaphragm, wherein the voice coil is configured to move the diaphragm to pump a fluid through the pump assembly in response to a drive signal applied to the voice coil. Some embodiments disclosed herein are directed to an apparatus for applying negative pressure to a wound comprising a source of negative pressure configured to be coupled to a dressing, the source of negative comprising a voice coil actuator and a diaphragm, and a controller configured to produce a drive signal for the voice coil actuator. 1. An apparatus for use in negative pressure wound therapy , comprising: an electrically conductive upper pole;', 'an electrically conductive lower pole spaced apart from the upper pole;', 'an electrically conductive coil at least a portion of which is disposed between the upper and the lower pole;', 'a magnet positioned between at least a portion of the upper pole and the lower pole;', 'a diaphragm; and', 'one or more valves configured to control a flow of fluid through the pump assembly;, 'a pump assembly, comprisingwherein the coil is directly or indirectly coupled with the diaphragm and is configured to move at least a portion of the diaphragm to pump a fluid through the pump assembly in response to a drive signal applied to the coil.2. (canceled)3. The apparatus of claim 1 , wherein the drive signal comprises at least one of an offset square wave drive signal and an offset sinusoidal wave drive signal.4. (canceled)5. The apparatus of claim 1 , wherein the upper pole has a first portion and a second portion claim 1 , the first pole portion extending in a generally planar direction and the second portion extending in a first direction away from the first portion generally transverse to the first portion.6. The apparatus of claim 5 , wherein the second portion of the upper pole extends through an opening in the coil so as to shift a magnetic field of the ...

ADIPOSE-DERIVED STEM CELL PRODUCT

The present invention discloses adipose-derived stem cells (ADSCs), adipose-derived stem cell-enriched fractions (ADSC-EF), their compositions and kits containing the ADSC's and their enriched fractions, and enzyme blends useful for their isolation, as well as methods of their isolation and use. 1. A stem cell composition comprising: endothelial progenitor cells, red blood cells, fibroblasts, white blood cells, hematopoietic stem cells and mesenchymal stem cells;', 'wherein the stem cell mixture contains less than about 0.5 EU/cc endotoxin; and', 'wherein the stem cell mixture is at least about 95% viable as determined by flow cytometry., 'said population of stem cells comprising, 'a population of stem cells obtained from mammalian adipose tissue;'}2. A stem cell composition according to claim 1 , further comprising at least one of:preadipocytes, pericytes and macrophages.3. An enzyme composition comprising:a proteolytic enzyme capable of digesting adipose tissue; and 'wherein the enzyme composition used for the dissociation of said adipose tissue contains from about 0.25 to about 0.75 Wunsch units or from about 250 to about 750 Collagen Digestion Units and from about 7 to about 15 Kunitz units of DNase I per cubic centimeter of adipose tissue.', 'an enzyme that catalyzes the hydrolytic cleavage of phosphodiester linkages in DNA;'}4. An enzyme composition according to claim 3 , wherein the proteolytic enzyme capable of digesting adipose tissue is a collagenase and the enzyme that catalyzes the hydrolytic cleavage of phosphodiester linkages in DNA is a DNAse.5. An enzyme composition according to claim 3 , wherein the proteolytic enzyme capable of digesting adipose tissue is a collagenase derived from Clostridium histolyticum.6. A pharmaceutical kit for isolation of stem cells from mammalian adipose tissue comprising a container having an effective amount of an adipose digestion enzyme composition according to .7. A kit according to claim 6 , further comprising ...

DEVICE AND METHOD FOR WOUND THERAPY

A wound therapy device is disclosed. The wound therapy device may include a housing for covering at least a portion of a wound and for sealing to a body surface of a patient. The housing may also include a liquid collector for retaining liquid therein and a vacuum connection for coupling to a vacuum source. The vacuum connection may be in gaseous communication with the liquid collector. The vacuum connection may be separated from the liquid collector by a liquid barrier. 158-. (canceled)59. A wound therapy device , comprising:a liquid-retaining structure configured to absorb wound exudate from a wound site, the liquid-retaining structure comprising superabsorber material;a porous foam structure positioned over the liquid-retaining structure;a flexible wound cover positioned over the liquid-retaining structure and the porous structure;a vacuum connection configured to connect the flexible wound cover with a vacuum source; anda wound interface positioned beneath the liquid-retaining structure configured to contact the wound site.60. The wound therapy device of claim 59 , wherein the porous foam structure is hydrophobic.61. The wound therapy device of claim 59 , wherein the liquid-retaining structure comprises a cellulose material.62. The wound therapy device of claim 61 , wherein the liquid-retaining structure comprises sodium carboxy methyl cellulose.63. The wound therapy device of claim 59 , wherein the liquid-retaining structure is configured to cause exudate to gel while continually providing vacuum passageways.64. The wound therapy device of claim 59 , further comprising a source of negative pressure.65. The wound therapy device of claim 59 , further comprising an adhesive configured to seal the wound therapy device to a body surface of a patient.66. The wound therapy device of claim 59 , further comprising a skin protection layer. This application is a continuation-in-part of, and claims priority to, U.S. patent application Ser. No. 11/432,855 entitled “Device ...

SYSTEM AND METHOD FOR INTERFACING WITH A REDUCED PRESSURE DRESSING

Systems, devices, and methods for treating a tissue site on a patient with reduced pressure are presented. In one instance, a reduced-pressure interface includes a conduit housing having a cavity divided by a dividing wall into a reduced-pressure-application region and a pressure-detection region. The reduced-pressure interface further includes a reduced-pressure port disposed within the reduced-pressure-application region, a pressure-detection port disposed within the pressure-detection region, and a base connected to the conduit housing, the base having a manifold-contacting surface. The dividing wall includes a surface substantially coplanar with the manifold-contacting surface. 18.-. (canceled)9. A reduced-pressure interface for connecting a reduced-pressure source to a manifold pad to treat a tissue site on a patient with reduced pressure , the reduced-pressure interface comprising:a conduit housing having a first cavity and a second cavity, the first cavity separated from the second cavity by a wall;a reduced-pressure port within the first cavity;a pressure-detection port within the second cavity;a flange connected to the conduit housing, the flange having a manifold-contacting surface; andat least one channel disposed in the manifold-contacting surface of the flange to transmit reduced pressure from the first cavity to the second cavity.10. The reduced-pressure interface of claim 9 , further comprising:a flow-concentration region within the second cavity to concentrate the flow of fluids from the second cavity into the at least one channel in the manifold contacting surface.11. The reduced-pressure interface of claim 9 , wherein the wall includes a surface substantially coplanar with the manifold-contacting surface.12. The reduced-pressure interface of claim 9 , wherein the at least one channel further comprises:a first radial channel disposed in the manifold-contacting surface of the flange, the first radial channel in communication with the first cavity;a ...

FLUID REMOVAL MANAGEMENT AND CONTROL OF WOUND CLOSURE IN WOUND THERAPY

Embodiments of negative pressure wound therapy systems and methods for operating the systems are disclosed. In one embodiment, a negative pressure wound therapy apparatus can include a wound dressing, a negative pressure source, and a controller. The negative pressure source can provide negative pressure via a fluid flow path to the wound dressing. The controller can monitor a rate of fluid removal from the wound, wirelessly communicate the rate of fluid removal to a remote device, and output an indication when the rate of fluid removal meets a threshold. 122-. (canceled)23. A wound therapy apparatus comprising:a negative pressure source configured to provide negative pressure via a fluid flow path to a wound dressing comprising a stabilizing structure, the stabilizing structure being configured to be inserted into a wound and collapse upon application of negative pressure to the wound when the stabilizing structure is positioned in the wound;a sensor configured to detect pressure in the fluid flow path; and determine a measure of collapse of the stabilizing structure from the pressure in the fluid flow path while the negative pressure source maintains a magnitude of the pressure in the fluid flow path within a negative pressure range, and', 'output an indication responsive to the measure of collapse., 'a controller configured to24. The wound therapy apparatus of claim 23 , wherein the controller is configured to determine the measure of collapse from a change in the magnitude of the pressure in the fluid flow path over time.25. The wound therapy apparatus of claim 23 , wherein the controller is further configured to determine the measure of collapse from a comparison of the magnitude of the pressure in the fluid flow path over time to a pressure change pattern.26. The wound therapy apparatus of claim 25 , wherein the pressure change pattern is indicative of one or more of: (i) pressure magnitude in the fluid flow path when the stabilizing structure is fully ...

Methods And Devices For Applying Closed Incision Negative Pressure Wound Therapy

Disclosed herein are devices, systems and methods for using such devices and systems for treating incisions and wounds. In an aspect, disclosed is a device having a generally planar tension relief module and a flexible sealant structure sized to cover the tension relief module, the flexible sealant structure comprising a lower adhesive surface. The tension relief module includes a conduit structure having a plurality of support structures on an upper surface of the conduit structure and at least one opening extending through the conduit structure from a lower surface to the upper surface. At least a portion of the conduit structure is adapted to be aligned with a longitudinal axis of the incision. The tension relief module also includes opposing adhesive structures coupled to the conduit structure. The lower adhesive surface of the flexible sealant structure and the upper surface of the conduit structure form a flow pathway. 1. A device for treating an incision , the device comprising: [ an upper surface,', 'a lower surface, and', 'at least one opening extending from the lower surface to the upper surface,, 'a conduit structure forming an internal lumen, the conduit structure comprising, 'wherein the at least one opening is configured to provide fluid communication between the upper surface of the conduit structure and the incision; and', 'opposing adhesive structures coupled to the conduit structure, wherein the opposing adhesive structures are configured to be manually stretched in a direction perpendicular to the internal lumen from a relaxed configuration to a first tensile configuration to adhere to tissue substantially perpendicular to a length of the incision., 'a tension relief module, comprising2. The device of claim 1 , further comprising a flexible sealant structure sized to cover the tension relief module claim 1 , wherein the flexible sealant structure comprises a lower adhesive surface claim 1 , and wherein the lower adhesive surface of the flexible ...

WOUND THERAPY DEVICE PRESSURE MONITORING AND CONTROL SYSTEM

A new system for negative pressure wound therapy is described. The system includes a patient tube set connecting the wound dressing to the suction container. The patient tube set provides separate channels for applying suction to the wound site and sensing the therapeutic pressure at the wound site. A restrictor valve may also be included in order to introduce a small air leak into the system to prevent occlusions in the patient tube set. 1. A wound therapy system comprising:a wound dressing;a pressure sensor;a container having an internal chamber;a vacuum source pneumatically associated with the internal chamber of the container; anda tube set comprising a first tube and a second tube positioned inside a lumen of the first tube, wherein a space between the first tube and the second tube forms a fluid channel, and wherein a lumen of the second tube forms a sensor channel in the tube set;wherein the wound dressing is pneumatically associated with the internal chamber of the container by the fluid channel of the tube set;wherein the wound dressing is pneumatically associated with the pressure sensor by the sensor channel of the tube set; andwherein a crushing force required to occlude the fluid channel is greater than a crushing force required to occlude a fluid channel of a comparison tube set that does not include a second tube positioned inside a lumen of the first tube.2. The wound therapy system of claim 1 , wherein the fluid channel and the sensor channel of the tube set are formed by a first tube and a second tube.3. The wound therapy system of claim 2 , wherein the second tube is formed within the first tube claim 2 ,wherein the sensor channel is a lumen of the second tube, andwherein the fluid channel is a space between the first tube and second tube.4. The wound therapy system of claim 2 , wherein the container has a first port comprising a first attachment and a second attachment;wherein a first end of the first tube is coupled to the wound dressing and a ...

APPARATUSES AND METHODS FOR NEGATIVE PRESSURE WOUND THERAPY

Disclosed herein are several embodiments of a negative pressure appliance and methods of using the same in the treatment of wounds. Some embodiments are directed to improved fluidic connectors or suction adapters for connecting to a wound site, for example using softer, kink-free conformable suction adapters. 153.-. (canceled)54. A wound treatment system for treating a wound on a patient , the wound treatment system comprising:a treatment manifold for disposing on the wound, wherein the treatment manifold has a first side and a second, patient-facing side;a first sealing member for disposing over the first side of the treatment manifold and a portion of intact skin to create a sealed space containing the treatment manifold, wherein the first sealing member comprises a moisture-vapor-transferrable drape;an air-movement manifold having a first side and a second, patient-facing side, wherein the second, patient-facing side is disposed proximate to a first side of the first sealing member;a second sealing member disposed over the first side of the air-movement manifold forming a channel space;at least one port formed on the second sealing member for allowing an air path to the channel space; anda pump for producing reduced pressure, wherein the pump is fluidly coupled to the sealed space for delivering reduced pressure thereto and fluidly coupled to the channel space for delivering reduced pressure thereto.55. The wound treatment system of claim 54 , wherein the first sealing member has the first side and a second claim 54 , patient-facing side.56. The wound treatment system of claim 54 , further comprising a valve configured to open and close to permit the passage of air.57. A wound treatment system for treating a wound on a patient claim 54 , the wound treatment system comprising:a wound packing material configured to be positioned at a wound, wherein the wound packing material has a first side and a second, patient-facing side;a flexible drape configured to be ...

Systems And Methods For Electrically Detecting The Presence Of Exudate In Dressings

Systems and methods are provided for sensing fluid in a dressing on a patient and producing an electrical signal. In one instance, a galvanic cell is used as an electronic detection device. The galvanic cell is placed in the dressing and produces voltage when the dressing is substantially saturated. In one instance, the dressing is a reduced-pressure, absorbent dressing. Other systems, methods, and dressings are presented. 116-. (canceled)17. A method for treating a tissue site , the method comprising: an absorbent layer for placing in fluid communication with the tissue site, the absorbent layer for receiving and retaining ionic fluids, the absorbent layer having a first side and a second, patient-facing side,', 'a sealing member for covering the first side of the absorbent layer, and', 'a first galvanic cell associated with the absorbent layer and configured to produce a voltage indicative of a full state when a portion of the absorbent layer proximate to the first galvanic cell is substantially saturated with the ionic fluid;, 'providing a dressing, wherein the dressing comprisesdeploying the dressing proximate to the tissue site; andelectrically coupling the first galvanic cell to a monitoring unit, wherein the monitoring unit is configured to produce a dressing-full signal when receiving the voltage indicative of a full state from the first galvanic cell.18. The dressing of claim 17 , wherein the galvanic cell comprises:a first electrode and a second electrode, the first electrode and second electrode in fluid communication with a portion of the absorbent layer, and the first electrode and second electrode spaced from one another;a first electrical lead coupled to the first electrode;a second electrical lead coupled to the second electrode; andwherein the first electrode and second electrode are configured to produce measurable electrical voltage when the ionic fluid covers the first electrode and second electrode.19. The method of claim 18 , wherein the first ...

NEGATIVE PRESSURE WOUND THERAPY DEVICE

A housing of a pump unit is fixed to a drape of a wound dressing by a joint portion. A suction chamber that is brought into a negative pressure by driving of a piezoelectric pump directly communicates with a closed space through an opening and an inlet. Hence, a therapy device does not need to include a pipe that allows the closed space and the pump unit to communicate with each other. Therefore, since the therapy device does not need to include the pipe that allows the pump unit to communicate with the closed space, detachment of the pump unit from the wound dressing owing to coming-off of the pipe is avoided. Since the housing is fixed to the drape by the joint portion, the pump unit can be prevented from detaching from the wound dressing. 1. A negative pressure wound therapy device comprising:a wound dressing including a drape having an opening and adapted for close contact with an outer periphery of a wound site on an outer periphery of the opening; anda pump unit including a housing and a pump, a suction chamber communicating with a suction port of the pump,', 'a joint portion joined to the drape, and', 'an inlet communicating with the suction chamber in an inner side portion of the joint portion, and, 'wherein the housing includes'}wherein the suction chamber is adapted for directly communicating with a closed space formed by the drape and the wound site through the opening and the inlet.2. The negative pressure wound therapy device according to claim 1 , further comprising:an absorbing member adapted for being disposed in the closed space to absorb a liquid; anda filter allowing a passage of only a gas and covering the inlet.3. The negative pressure wound therapy device according to claim 1 , wherein the pump unit includes a suction pad fixing the housing to the drape by suction.4. The negative pressure wound therapy device according to claim 1 ,wherein the housing includes a pressure sensor detecting a pressure value in the suction chamber, andwherein the ...

SYSTEMS AND METHODS FOR MEDICAL DEVICE CONTROL

Systems, devices, and methods of the present disclosure assist with management of tubes and hoses during surgical procedures. The systems, devices, and methods provide for the proper opening and closing of tubes to facilitate performance of steps in a surgical procedure. Systems, devices, and methods of the present disclosure control fluid delivery to and from a medical device, including devices for tissue processing and cleaning. 1. A tissue treatment system , comprising: an exterior wall surrounding an interior volume for holding tissue; and', 'a filter structure for processing tissue; and, 'a container, including a first plate having a plurality of first openings passing therethrough;', 'a second plate having a plurality of second openings passing therethrough; and', 'a third plate having one or more third openings passing therethrough;', 'wherein the first plate, second plate, and third plate are operably connected and wherein setting the third plate in a first position places a first subset of the plurality of first openings in fluid communication with a first subset of the plurality of second opening, setting the third plate in a second position places a second subset of the plurality of first openings in fluid communication with a second subset of the plurality of second openings, and setting the third plate to a third position places a third subset of the plurality of first openings in fluid communication with a third subset of the plurality of second openings., 'a flow management device, including2. The tissue treatment system of claim 1 , further comprising a rotatable connection to operably connect the first plate claim 1 , the second plate claim 1 , and the third plate.3. The tissue treatment system of claim 1 , further comprising a plurality of seals to prevent material from passing between the first plate and the third plate or the second plate and the third plate.4. The tissue treatment system of claim 3 , wherein at least one of the first plate claim ...

SPACER LAYER FOR USE IN A WOUND DRESSING

A system, method, and apparatus are disclosed for dressing a wound. In one embodiment, the apparatus can include a spacer layer comprising two nonwoven layers, each nonwoven layer comprising a plurality of channels or apertures therethrough. In other embodiments, the apparatus includes at least one nonwoven spacer layer comprising a three-dimensional structure, such as a corrugated structure, honeycomb structure, cuboid structure, or egg-crate structure. The three-dimensional nonwoven structure can comprise a thermoformed nonwoven layer. The apparatus can also include an absorbent layer for absorbing wound exudate, the absorbent layer overlying the spacer layer, and a gas impermeable cover layer overlying the absorbent layer and comprising at least one orifice, wherein the cover layer is moisture vapor permeable. 1. A wound treatment apparatus comprising: [ a first nonwoven fabric layer comprising a first fibrous base layer and an interconnected first fibrous face layer, wherein a plurality of channels are disposed between the first fibrous base layer and the first fibrous face layer; and', 'a second nonwoven fabric layer comprising a second fibrous base layer and an interconnected second fibrous face layer, wherein a plurality of channels are disposed between the second fibrous base layer and the second fibrous face layer;', 'wherein the second nonwoven fabric layer is disposed over the first nonwoven fabric layer such that the second fibrous face layer of the second nonwoven fabric is positioned over the first fibrous face layer of the first nonwoven fabric; and, 'a spacer layer comprising, 'a cover layer positioned over the spacer layer., 'a wound dressing comprising2. The wound treatment apparatus of claim 1 , wherein each of the plurality channels of the first or second nonwoven fabric layers extends across an entire length of the first and second nonwoven fabric layers.3. The wound treatment apparatus of claim 2 , wherein the channels of the first nonwoven ...

CONTAINMENT DEVICES FOR TREATMENT OF INTESTINAL FISTULAS AND COMPLEX WOUNDS

Devices to contain and control the effluent or gastric juices of intestinal fistulas, other fistulas, stomas, and other wounds. The device includes a flexible fluid containment lineal strip defining a fluid containment wall which collapses when pressure is applied to the wound dressing, means for forming the lineal strip into any open or closed shape to fit wounds of various shape and size, means for joining the lineal strip to create closed effluent containment areas, means for creating a seal at the wound bed interface whereby effluent is contained, and means for interfacing with a pouch appliance to capture effluent and bowel contents until bowel contents can be emptied into a toilet or other waste receptacle. 1. A customizable device to manage effluent or bowel contents drainage from a wound such as a fistula , the wound including a wound opening and a wound bed surrounding the wound opening , the device comprising:a trimmable and flexible elongate strip defining a sidewall configured to collapse from a first height to a second height less than the first height;a wound sealing flange extending from a first longitudinal edge of the sidewall; andan appliance interface flange extending from a second longitudinal edge of the sidewall,wherein the device is configured to be applied to the wound bed such that the strip is dimensioned to border at least a portion of the wound opening, and the wound sealing flange forms a seal around the wound opening thereby physically isolating the wound opening from the wound bed.2. The device of claim 1 , further comprising one or more configurable flexible skirts or bulbs depending from the first longitudinal end claim 1 , the one or more skirts or bulbs at least partially extending around or within the wound opening to create a seal at a wound bed interface between the wound opening and the wound bed.3. The device of claim 1 , wherein either or both of the wound sealing flange and the appliance interface flange include a plurality ...

Post Operative Wound Support Device

A wound drainage and hemostasis promoting medical device () are disclosed. A balloon () is temporary inflated and arranged outside a sheath (), in contact with tissue surrounding a wound cavity for hemostasis promotion. The drainage device comprises a fluid communication channel for wound exudate from wound. The balloon is deflated and retracted into said sheath for removal from said wound cavity. Thus the medical device is percutaneously retractable from said confined wound. 132-. (canceled)33. A hemostasis promoting medical device having:an inflatable flexible balloon for said hemostasis promotion in a wound, said balloon when inflated to an inner pressure is configured to provide a desired size of said balloon and is configured to apply a mechanical pressure at apposition with tissue in said wound;a fluid communication channel for wound exudate from said wound, said channel having a distal end arrangeable in said wound cavity, anda gas pressure source configured to provide a gas pressure lower than a gas pressure in said wound cavity to said distal end of said fluid communication channel in said wound for promoting drainage, such that said wound exudate is removeable from the wound by suction, while at the same time a positive mechanical pressure is provideable on at least a part of the tissue surrounding the wound by said balloon.34. The device of claim 33 , wherein said fluid communication channel is integrally formed with said sheath claim 33 , providing a medical drainage device with at least temporary hemostasis promoting properties.35. The device of claim 33 , wherein said balloon has a surface that comprises a pharmaceutical substance claim 33 , e.g. as coating claim 33 , e.g. of antibiotics claim 33 , coagulation promoting agents claim 33 , platelet adherence reducer.36. The device of claim 33 , wherein said balloon is permeable for nitric oxide (NO) claim 33 , and when inflated filled with a liquid releasing said NO.37. The device of claim 33 , having a ...

VACUUM CLOSURE DEVICE

This invention relates to the design of tissue covering elements for use in vacuum assisted tissue apposition systems, wherein the geometry of the covering elements favours the application of contractile forces over compressive or extensive forces at the tissue interface. 1. A tissue covering element for use in a vacuum assisted closure system , the tissue covering element comprising:i) a tissue contacting surface, said surface being positionable on either side of a wound margin;ii) a bridging portion which bridges the wound and in use provides at least a partial vacuum above the wound, andwherein the bridging portion comprises a higher ratio of internal surfaces that are aligned substantially non-parallel relative to the wounded tissue surface, to: surfaces that are aligned substantially parallel relative to the wounded contacting surface.2. A tissue covering element according to claim 1 , wherein the shortest distance between the margins of the wound is defined as X claim 1 , and said length of the bridging element is defined as Y claim 1 , wherein Y is at least 110% of X.3. A tissue covering element according to claim 3 , wherein Y is at least 141% of X.4. A tissue covering element according to claim 1 , wherein at least 50% of the internal surface area distribution of the bridging element is at an angle of at least 450 relative to the wounded tissue surface.5. A tissue covering element according to claim 1 , wherein at least 50% of the internal surface area distribution of the bridging element is at an angle of at least 800 relative to the wounded tissue surface.6. A tissue covering element according to claim 1 , wherein a hinge is provided between the bridging element and the tissue contacting surface.7. A tissue covering element according to claim 1 , wherein the tissue covering element comprises at least two bridging elements.8. A tissue covering element according to claim 1 , wherein the bridging element comprises an inverted V geometry.9. A tissue covering ...

SURGICAL SUCTION DEVICE

A surgical suction device includes a vacuum source, hose member, vacuum adaptor, and suction attachment. The suction attachment includes each of a bottom layer, middle layer, and a top layer. The bottom layer and the top layer are made of an absorptive material. The middle layer includes a system of microtubules that are in fluid communication with the vacuum source via several apertures located on its top surface. When the device is in use, the bottom layer is in contact with the soft tissue that is being operated on. When the vacuum source is turned on, suction is provided through the vacuum apertures on top of the middle layer via the microtubules. The suction persists through the top layer, and any fluid in the surgical site above the top layer is sucked through the top layer into the vacuum apertures, through the microtubules, and out of the suction attachment. 1. A suction device for reducing blood pooling in a surgical site , the suction device comprising:a vacuum source; and a bottom absorptive layer including each of a top surface and a bottom surface;', 'a middle layer including each of a top surface and a bottom surface, wherein the bottom surface of the middle layer is adhered to the top surface of the bottom layer; and', 'a top absorptive layer including each of a top surface and a bottom surface, wherein the bottom surface of the top layer is adhered to the top surface of the middle layer;, 'a suction attachment, the suction attachment includingwherein the middle layer includes a plurality of vacuum apertures on its top surface connected to one another via a microtubule system; andwherein the plurality of vacuum apertures are in fluid communication with the vacuum source via the microtubule system, such that when the vacuum source is activated, suction is provided via the plurality of vacuum apertures through the top layer.2. The suction device of claim 1 , wherein the bottom layer is made of cotton.3. The suction device of claim 1 , wherein the top ...

WOUND CARE AND INFUSION METHOD AND SYSTEM UTILIZING A THERAPEUTIC AGENT

A combination therapy pad that includes a first layer and a second layer operatively coupled to the first layer. A fiber-optic array is disposed between the first layer and the second layer. A third layer is operatively coupled to the first layer. The third layer includes a vacuum tube in fluid communication with a vacuum source and a therapeutic fluid tube in fluid communication with a therapeutic fluid source. The third layer provides at least one of vacuum therapy and therapeutic fluid treatment to a wound area. 1. A method of treating a wound area , the method comprising:covering a wound with a patch;coupling the patch to an oxygen generator;coupling the patch to a vacuum pump;generating, via the oxygen generator, oxygen;humidifying, via a humidifier, the oxygen;delivering the humidified oxygen to a wound via a tube associated with the patch;applying via the vacuum pump, negative pressure to the patch.2. The method of claim 1 , wherein the humidifying comprises humidifying the oxygen above ambient relative humidity.3. The method of claim 1 , wherein the oxygen is delivered to the wound at a partial pressure of 22 mmHg.4. The method of claim 1 , wherein the applying facilitates removal of exudate from the wound.5. The method of claim 1 , wherein the delivering comprises opening an oxygen solenoid.6. The method of claim 1 , wherein the humidifier is a proton-exchange membrane.7. The method of claim 1 , wherein the applying comprises opening a pump solenoid and a patch solenoid.8. The method of claim 1 , wherein the applying is for a duration of approximately 30 seconds.9. The method of claim 1 , wherein the oxygen pushes at least one therapeutic agent to the patch.10. The method of claim 1 , comprising collecting at least one of fluids and materials removed from the wound area in an exudate bottle coupled to the patch.11. A wound-care system claim 1 , comprising:a patch;an infusion tube coupled to the patch;an oxygen concentrator coupled to the patch via the ...

DEVICE AND METHOD FOR PREPARING ADIPOSE TISSUE FOR TRANSPLANTATION

A device for preparing adipose tissue for transplantation, from lobular fat extracted, for instance, by liposuction. The device comprises at least one washing and separating container () having a washing chamber () for washing the liposuctioned material, which washing and separating container () has at least one inlet () and at least one outlet () for the liposuctioned material to enter the washing chamber () through the inlet () and for at least part of said material, the fluid component, to exit said chamber through the outlet . The washing and separating container () is coupled to stirring means via coupling means () for releasably coupling said washing and separating container () to said stirring means, drive means being provided for driving said stirring means. The stirring means comprising a stirring member () supported by a support structure (), said washing and separating container () being releasably coupled to said stirring member () via said coupling means, and said stirring member () being driven by said drive means, emulsion generating means () being provided in said washing chamber (), for generating an emulsion of the fluid components by mechanical stirring. 1. A device for preparing adipose tissue for transplantation from lobular fat material extracted by liposuction , said fat material comprising (a) a solid component composed of adipocytes arranged in cell agglomerates of heterogeneous sizes , and (b) a fluid component comprising one or more of an oily component derived from lysis of adipocytes , blood residues , and medicated saline solutions containing anesthetics , as used during the liposuction procedure ,{'b': 1', '11', '1', '12', '13', '11', '12', '11', '13, 'said device comprising at least one washing and separating container () having a washing chamber () for washing the liposuctioned material, said washing and separating container () having at least one inlet () and at least one outlet () for the liposuctioned material to enter the washing ...

NEGATIVE PRESSURE THERAPY WITH DYNAMIC PROFILE CAPABILITY

An apparatus and system for fluidly connecting a reduced-pressure source to a dressing and a method for manufacturing and using the same include a base having an aperture and a wall having a peripheral portion coupled to the base. The wall may form a cavity in fluid communication with the aperture. The apparatus also may include a conduit port fluidly coupled to the cavity and adapted to receive a conduit. The base may be adapted to couple to the dressing, and the wall may be adapted to collapse from a first position to a second position in response to a supply of reduced pressure from the reduced-pressure source. 1. An apparatus for fluidly connecting a reduced-pressure source to a dressing , the apparatus comprising:a base having an aperture;a wall having a peripheral portion coupled to the base, the wall forming a cavity in fluid communication with the aperture; anda conduit port fluidly coupled to the cavity and adapted to receive a conduit;wherein the base is adapted to couple to the dressing and the wall is adapted to collapse from a first position to a second position in response to a supply of reduced pressure from the reduced-pressure source, andwherein when the wall is in the second position, a maximum height of the apparatus is equal to a height of the conduit port.2. The apparatus of claim 1 , wherein the wall has a thickness in a range of about 0.60 mm to about 2.00 mm.3. The apparatus of claim 1 , wherein the wall comprises a polymer having a durometer in a range of about 25 Shore A to about 100 Shore A.4. The apparatus of claim 1 , wherein the wall comprises a polymer having a durometer in a range of about 25 Shore A to about 100 Shore A and a thickness in a range of about 0.60 mm to about 2.00 mm.5. The apparatus of claim 1 , wherein the wall has a sloping profile when the wall is in the second position.6. The apparatus of claim 5 , wherein the sloping profile has a height of about 1.25 mm to a height of about 4.25 mm.7. The apparatus of claim 1 , ...