СЕЛЕКТИВНО ПЕРЕМЕЩАЕМЫЕ КЛАПАНЫ ДЛЯ КОНТУРОВ АСПИРАЦИИ И ИРРИГАЦИИ

Изобретение относится к медицинской технике. Аспирационный контур жидкостной системы для селективного управления аспирацией содержит аспирационную магистраль, функционально соединенную с хирургическим инструментом; аспирационный насос для создания аспирационного потока в аспирационной магистрали; аспирационную выпускную магистраль, функционально соединенную одним концом с аспирационным насосом и другим концом с емкостью для отходов; аспирационную вентиляционную магистраль, соединенную первым концом с аспирационной магистралью между аспирационным насосом и хирургическим инструментом; и селективно регулируемый выпускной клапан, функционально соединенный с аспирационной вентиляционной магистралью, причем указанный выпускной клапан выполнен с возможностью селективного перемещения для селективного изменения аспирационного давления внутри аспирационной магистрали. Выпускной клапан представляет собой поворотный клапан, содержащий входное отверстие, выходное отверстие и канал, который соединяет ...

СЕЛЕКТИВНО ПЕРЕМЕЩАЕМЫЕ КЛАПАНЫ ДЛЯ КОНТУРОВ АСПИРАЦИИ И ИРРИГАЦИИ

Selectively moveable valve elements for aspiration and irrigation circuits

Various arrangements of fluidics systems are disclosed. In one arrangement, an aspiration circuit for a fluidics system is disclosed that selectively controls aspiration. The aspiration circuit comprises an aspiration line operatively connected to a surgical instrument, an aspiration exhaust line operatively connected to a waste receptacle; an aspiration vent line connected at a first end to the aspiration line; and a selectively variable vent valve operatively connected to the aspiration vent line. The variable vent valve may be selectively moved to vary aspiration pressure within the aspiration line. Other fluidics systems are disclosed that include a selectively positionable irrigation valve that may also be incorporated into a fluidics system that includes a variable vent valve.

Selectively moveable valve elements for aspiration and irrigation circuits

Various arrangements of fluidics systems are disclosed. In one arrangement, an aspiration circuit for a fluidics system is disclosed that selectively controls aspiration. The aspiration circuit comprises an aspiration line operatively connected to a surgical instrument, an aspiration exhaust line operatively connected to a waste receptacle; an aspiration vent line connected at a first end to the aspiration line; and a selectively variable vent valve operatively connected to the aspiration vent line. The variable vent valve may be selectively moved to vary aspiration pressure within the aspiration line. Other fluidics systems are disclosed that include a selectively positionable irrigation valve that may also be incorporated into a fluidics system that includes a variable vent valve.

FLUID INGRESS PROTECTION FOR NPWT DEVICE

A negative pressure wound treatment (NPWT) system including a NWPT therapy unit and a wound dressing configured to overlay a wound bed. The NPWT system includes a first length of tubing comprising a first end and a second end, the first end of the first length of tubing coupled to the NWPT therapy unit and the second end of the first length of tubing having a first coupling half, as well as a second length of tubing having a first end and second end, the first end of the second length of tubing coupled to the wound dressing and the second end of the second length of tubing having a second coupling half. The NPWT system includes an inline filter comprising a sintered polymer and a superabsorbent material, and an inline coupling, wherein the inline coupling is configured to operably couple and de-couple the NPWT therapy unit and wound dressing.

NEGATIVE PRESSURE DEVICE FOR ARTICULATING JOINT

COMBINATION HANGER ARM EXTENSION AND PUMP COVER FOR A WOUND THERAPY DEVICE

СЕЛЕКТИВНО ПЕРЕМЕЩАЕМЫЕ КЛАПАНЫ ДЛЯ КОНТУРОВ АСПИРАЦИИ И ИРРИГАЦИИ

Изобретение относится к медицинской технике, а именно к аспирационному контуру системы струйной техники для селективного управления аспирацией. Контур содержит аспирационную магистраль, функционально соединенную с хирургическим инструментом. Контур включает насос вытеснения для создания аспирационного потока в аспирационной магистрали. Контур имеет аспирационную выпускную магистраль, функционально соединенную с указанным насосом вытеснения. Контур содержит резервуар Вентури. Контур включает селективно регулируемый клапан, функционально соединенный с аспирационной магистралью, резервуаром Вентури и аспирационной выпускной магистралью. Селективно регулируемый клапан выполнен с возможностью селективной установки в положение: а) по меньшей мере частичного жидкостного соединения аспирационной магистрали с резервуаром Вентури или с аспирационной выпускной магистралью; или б) не пропускания потока через указанный селективно регулируемый клапан. Технический результат сводится к снижению остроты ...

Tissue treatment device

Selectively moveable valve elements for aspiration and irrigation circuits

Various arrangements of fluidics systems are disclosed. In one arrangement, an aspiration circuit for a fluidics system is disclosed that selectively controls aspiration. The aspiration circuit comprises an aspiration line operatively connected to a surgical instrument, an aspiration exhaust line operatively connected to a waste receptacle; an aspiration vent line connected at a first end to the aspiration line; and a selectively variable vent valve operatively connected to the aspiration vent line. The variable vent valve may be selectively moved to vary aspiration pressure within the aspiration line. Other fluidics systems are disclosed that include a selectively positionable irrigation valve that may also be incorporated into a fluidics system that includes a variable vent valve.

SELECTIVELY MOVEABLE VALVE ELEMENTS FOR ASPIRATION AND IRRIGATION CIRCUITS

The invention relates to an aspiration circuit for a fluidics system for selectively controlling aspiration, comprising: an aspiration line operatively connected to a surgical instrument; an aspiration pump to create an aspiration flow in the aspiration line; an aspiration exhaust line operatively connected to the aspiration pump on one end and to a waste receptacle on an opposing end; an aspiration vent line connected at a first end to the aspiration line between the aspiration pump and the surgical instrument; a selectively variable vent valve operatively connected to the aspiration vent line, wherein the variable vent valve may be selectively moved to selectively change aspiration pressure within the aspiration line; an irrigation line operatively connected to the surgical instrument; and an irrigation pressure sensor and an actuator, the irrigation pressure sensor being positioned to detect irrigation pressure in the irrigation line and the actuator being operatively connected to the ...

Tissue treatment device

A DEVICE FOR TREATMENT OF WOUNDS WITH REDUCED PRESSURE

Device for treating wounds with reduced pressure. The device comprises a sealing film, which is placed sealingly around the wound to cover the latter, an underpressure source, as well as a tube (3), which connects a space over the wound and beneath the sealing film to the underpressure source. The interior of the tube comprises a longitudinal first strand (8) made of a hydrophobic material, as well as a second strand (9), made of an open-pored hydrophilic material, extending longitudinally over at least a part of the length of the tube. The said material strands are enclosed in a tube casing (10) made of a flexible material.

SELECTIVELY MOVEABLE VALVE ELEMENTS FOR ASPIRATION AND IRRIGATION CIRCUITS

An aspiration circuit for a fluidics system for selectively controlling aspiration. The aspiration circuit includes an aspiration line operatively connected to a surgical instrument, a displacement-based pump to create an aspiration flow in the aspiration line, an aspiration exhaust line coupled to the displacement-based pump, and a venturi reservoir. The aspiration circuit also includes a selectively variable valve operatively coupled to the aspiration line, the venturi reservoir, and the aspiration exhaust line. The selectively variable valve is selectively positionable to a) at least partially fluidically couple the aspiration line to the venturi reservoir or the aspiration exhaust line, or b) not allow flow through the selectively variable valve.

SELECTIVELY MOVEABLE VALVE ELEMENTS FOR ASPIRATION AND IRRIGATION CIRCUITS

ABSTRACT An aspiration circuit for a fluidics system selectively controls aspiration. The aspiration circuit comprises an aspiration line operatively connected to a surgical instrument, displacement-based pump to create an aspiration flow in the aspiration line, an aspiration exhaust line coupled to the displacement-based pump, a venturi reservoir, a valve operatively coupled to the aspiration line and the venturi reservoir, wherein the valve may be selectively positioned to: a) at least partially fluidically couple the aspiration line to the venturi reservoir such that aspiration vacuum is provided from both the venturi reservoir and the displacement-based pump in parallel to the surgical instrument; or b) allow the aspiration vacuum to be provided only by the displacement-based pump to the surgical instrument. Date Recue/Date Received 2020-11-27 ...

Fluid ingress protection for NPWT device

A negative pressure wound treatment (NPWT) system including a NWPT therapy unit and a wound dressing configured to overlay a wound bed. The NPWT system includes a first length of tubing comprising a first end and a second end, the first end of the first length of tubing coupled to the NWPT therapy unit and the second end of the first length of tubing having a first coupling half, as well as a second length of tubing having a first end and second end, the first end of the second length of tubing coupled to the wound dressing and the second end of the second length of tubing having a second coupling half. The NPWT system includes an inline filter comprising a sintered polymer and a superabsorbent material, and an inline coupling, wherein the inline coupling is configured to operably couple and de-couple the NPWT therapy unit and wound dressing.

СЕЛЕКТИВНО ПЕРЕМЕЩАЕМЫЕ КЛАПАНЫ ДЛЯ КОНТУРОВ АСПИРАЦИИ И ИРРИГАЦИИ

... 1. Аспирационный контур системы струйной техники для селективного управления аспирацией, содержащий:аспирационную магистраль, функционально соединенную с хирургическим инструментом,аспирационную выпускную магистраль, функционально соединенную с емкостью для отходов;аспирационную вентиляционную магистраль, соединенную первым концом с аспирационной магистралью; иселективно регулируемый выпускной клапан, функционально соединенный с аспирационной вентиляционной магистралью, выполненный с возможностью при его селективном перемещении обеспечивать селективное изменение аспирационного давления внутри аспирационной магистрали.2. Аспирационный контур по п. 1, отличающийся тем, что аспирационная вентиляционная магистраль соединена вторым концом с аспирационной выпускной магистралью.3. Аспирационный контур по п. 1, отличающийся тем, что аспирационная вентиляционная магистраль соединена вторым концом с атмосферой.4. Аспирационный контур по п. 1, отличающийся тем, что аспирационная вентиляционная магистраль ...

SYSTEM FOR RETRIEVING TISSUE SAMPLES FROM A FLUID STREAM GENERATED DURING A MEDICAL/SURGICAL PROCEDURE

A cassette (2600) for use with a medical waste collection system (30). The cassette includes a housing (2602, 2612) shaped to be removably attached to a receptacle (1699) integral with the housing. A sleeve (2640) is attached to the cassette so as to be located forward of the housing. The sleeve is formed with a void space. A fitting (2664) for collection to a suction line is attached to the sleeve. A screen (2714) is removably fitted in the sleeve void space. The screen is fitted in the sleeve void space when it is desirable to catch tissue that may be entrained in the fluid stream from the suction line.

A DEVICE FOR TREATMENT OF WOUNDS WITH REDUCED PRESSURE

Device for treating wounds with reduced pressure. The device comprises a sealing film, which is placed sealingly around the wound to cover the latter, an underpressure source, as well as a tube (3), which connects a space over the wound and beneath the sealing film to the underpressure source. The interior of the tube comprises a longitudinal first strand (8) made of a hydrophobic material, as well as a second strand (9), made of an open-pored hydrophilic material, extending longitudinally over at least a part of the length of the tube. The said material strands are enclosed in a tube casing (10) made of a flexible material.

SELECTIVELY MOVEABLE VALVE ELEMENTS FOR ASPIRATION AND IRRIGATION CIRCUITS

SYSTEM FOR RETRIEVING TISSUE SAMPLES FROM A FLUID STREAM GENERATED DURING A MEDICAL/SURGICAL PROCEDURE

A cassette (2600) for use with a medical waste collection system (30). The cassette includes a housing (2602, 2612) shaped to be removably attached to a receptacle (1699) integral with the housing. A sleeve (2640) is attached to the cassette so as to be located forward of the housing. The sleeve is formed with a void space. A fitting (2664) for collection to a suction line is attached to the sleeve. A screen (2714) is removably fitted in the sleeve void space. The screen is fitted in the sleeve void space when it is desirable to catch tissue that may be entrained in the fluid stream from the suction line.

Specimen trap with a removable catch tray for retrieving tissue samples from a fluid stream during a medical procedure

Abstract A cassette (2600) for use with a medical waste collection system (30). The cassette includes a housing (2602, 2612) shaped to be removably attached to a receptacle (1699) integral with the housing. A sleeve (2640) is attached to the cassette so as to be located forward of the housing. The sleeve is formed with a void space. A fitting (2664) for collection to a suction line is attached to the sleeve. A screen (2714) is removably fitted in the sleeve void space. The screen is fitted in the sleeve void space when it is desirable to catch tissue that may be entrained in the fluid stream from the suction line. CDo Qr ...

SELECTIVELY MOVEABLE VALVE ELEMENTS FOR ASPIRATION AND IRRIGATION CIRCUITS

An aspiration circuit for a fluidics system for selectively controlling aspiration. The aspiration circuit includes an aspiration line operatively connected to a surgical instrument, a displacement-based pump to create an aspiration flow in the aspiration line, an aspiration exhaust line coupled to the displacement-based pump, and a venturi reservoir. The aspiration circuit also includes a selectively variable valve operatively coupled to the aspiration line, the venturi reservoir, and the aspiration exhaust line. The selectively variable valve is selectively positionable to a) at least partially fluidically couple the aspiration line to the venturi reservoir or the aspiration exhaust line, or b) not allow flow through the selectively variable valve.

A device for treatment of wounds with reduced pressure

SELECTIVELY MOVEABLE VALVE ELEMENTS FOR ASPIRATION AND IRRIGATION CIRCUITS

SYSTEM FOR RETRIEVING TISSUE SAMPLES FROM A FLUID STREAM GENERATED DURING A MEDICAL/SURGICAL PROCEDURE

A cassette (2600) for use with a medical waste collection system (30). The cassette includes a housing (2602, 2612) shaped to be removably attached to a receptacle (1699) integral with the housing. A sleeve (2640) is attached to the cassette so as to be located forward of the housing. The sleeve is formed with a void space. A fitting (2664) for collection to a suction line is attached to the sleeve. A screen (2714) is removably fitted in the sleeve void space. The screen is fitted in the sleeve void space when it is desirable to catch tissue that may be entrained in the fluid stream from the suction line.

Selectively moveable valve elements for aspiration and irrigation circuits

Various arrangements of fluidics systems are disclosed. In one arrangement, an aspiration circuit for a fluidics system is disclosed that selectively controls aspiration. The aspiration circuit comprises an aspiration line operatively connected to a surgical instrument, an aspiration exhaust line operatively connected to a waste receptacle; an aspiration vent line connected at a first end to the aspiration line; and a selectively variable vent valve operatively connected to the aspiration vent line. The variable vent valve may be selectively moved to vary aspiration pressure within the aspiration line. Other fluidics systems are disclosed that include a selectively positionable irrigation valve that may also be incorporated into a fluidics system that includes a variable vent valve.

SELECTIVELY MOVEABLE VALVE ELEMENTS FOR ASPIRATION AND IRRIGATION CIRCUITS

Various arrangements of fluidics systems are disclosed. In one arrangement, an aspiration circuit for a fluidics system is disclosed that selectively controls aspiration. The aspiration circuit comprises an aspiration line operatively connected to a surgical instrument, an aspiration exhaust line operatively connected to a waste receptacle; an aspiration vent line connected at a first end to the aspiration line; and a selectively variable vent valve operatively connected to the aspiration vent line. The variable vent valve may be selectively moved to vary aspiration pressure within the aspiration line. Other fluidics systems are disclosed that include a selectively positionable irrigation valve that may also be incorporated into a fluidics system that includes a variable vent valve.

SELECTIVELY MOVEABLE VALVE ELEMENTS FOR ASPIRATION AND IRRIGATION CIRCUITS

Various arrangements of fluidics systems are disclosed. In one arrangement, an aspiration circuit for a fluidics system is disclosed that selectively controls aspiration. The aspiration circuit comprises an aspiration line operatively connected to a surgical instrument, an aspiration exhaust line operatively connected to a waste receptacle; an aspiration vent line connected at a first end to the aspiration line; and a selectively variable vent valve operatively connected to the aspiration vent line. The variable vent valve may be selectively moved to vary aspiration pressure within the aspiration line. Other fluidics systems are disclosed that include a selectively positionable irrigation valve that may also be incorporated into a fluidics system that includes a variable vent valve.

Tissue treatment device

Disclosed embodiments relate to apparatuses and methods for wound treatment with ultrasound. In certain embodiments, a therapeutic ultrasound wound treatment apparatus includes a wound dressing configured to be positioned over a wound to provide a substantially fluid impermeable seal over the wound and a transducer to deliver therapeutic ultrasound to tissue. The therapeutic ultrasound wound treatment apparatus may further include a wound contact layer configured to be positioned in contact with the wound, a transmission layer positioned above the wound contact layer, an absorbent layer positioned above the transmission layer and configured to absorb wound fluid, and a backing layer positioned above the absorbent layer and including an orifice. Also disclosed are multiple parameters for the therapeutic ultrasound signal.

Tissue treatment device

A therapeutic ultrasound wound treatment apparatus comprising a wound contact layer 1020, an ultrasonic transducer 1014 positioned above the wound contact layer and configured to deliver vibrational energy at a therapeutic frequency, and a cover layer 1010 positioned over the transducer. The apparatus may further comprise an absorbent layer 1012 to absorb wound exudate, or a porous delivery layer 1016 having a transmission material 1018 configured to transmit vibrational energy. The transducer may deliver pulsed vibrational energy to the wound at a frequency of 1-8MHz, more specifically 1.5MHz. The transducer may be a piezoelectric transducer. The apparatus may comprise a fluid connector attached to the cover layer in communication with the space under the cover layer, and connected to a source of negative pressure.

A device for treatment of wounds with reduced pressure

SELECTIVELY MOVEABLE VALVE ELEMENTS FOR ASPIRATION AND IRRIGATION CIRCUITS

The invention relates to an aspiration circuit for a fluidics system for selectively controlling aspiration, comprising: an aspiration line operatively connected to a surgical instrument; an aspiration pump to create an aspiration flow in the aspiration line; an aspiration exhaust line operatively connected to the aspiration pump on one end and to a waste receptacle on an opposing end; an aspiration vent line connected at a first end to the aspiration line between the aspiration pump and the surgical instrument; a selectively variable vent valve operatively connected to the aspiration vent line, wherein the variable vent valve may be selectively moved to selectively change aspiration pressure within the aspiration line; an irrigation line operatively connected to the surgical instrument; and an irrigation pressure sensor and an actuator, the irrigation pressure sensor being positioned to detect irrigation pressure in the irrigation line and the actuator being operatively connected to the ...

WOUND THERAPY SYSTEM AND WOUND DRESSING WITH PH SENSOR

A wound therapy system having a wound dressing for treating a wound includes a sensor that measures a pH level at a wound area. The sensor has a circuit that includes a first electrode and one or more second electrodes. The first electrode has a changeable conductivity that changes according to a hydrogen ion concentration level. The one or more second electrodes are configured with a fixed conductivity that does not change with the hydrogen ion concentration level. The first electrode is coated with a porous protective membrane formed from a sulfonated and/or carboxylated copolymer.

System for retrieving tissue samples from a fluid stream generated during a medical/surgical procedure

A cassette (2600) for use with a medical waste collection system (30). The cassette includes a housing (2602, 2612) shaped to be removably attached to a receptacle (1699) integral with the housing. A sleeve (2640) is attached to the cassette so as to be located forward of the housing. The sleeve is formed with a void space. A fitting (2664) for collection to a suction line is attached to the sleeve. A screen (2714) is removably fitted in the sleeve void space. The screen is fitted in the sleeve void space when it is desirable to catch tissue that may be entrained in the fluid stream from the suction line.

Specimen trap with a removable catch tray for retrieving tissue samples from a fluid stream during a medical procedure

A cassette (2600) for use with a medical waste collection system (30). The cassette includes a housing (2602, 2612) shaped to be removably attached to a receptacle (1699) integral with the housing. A sleeve (2640) is attached to the cassette so as to be located forward of the housing. The sleeve is formed with a void space. A fitting (2664) for collection to a suction line is attached to the sleeve. A screen (2714) is removably fitted in the sleeve void space. The screen is fitted in the sleeve void space when it is desirable to catch tissue that may be entrained in the fluid stream from the suction line.

SELECTIVELY MOVEABLE VALVE ELEMENTS FOR ASPIRATION AND IRRIGATION CIRCUITS

Specimen trap with a removable catch tray for retrieving tissue samples from a fluid stream during a medical procedure

Abstract A cassette (2600) for use with a medical waste collection system (30). The cassette includes a housing (2602, 2612) shaped to be removably attached to a receptacle (1699) integral with the housing. A sleeve (2640) is attached to the cassette so as to be located forward of the housing. The sleeve is formed with a void space. A fitting (2664) for collection to a suction line is attached to the sleeve. A screen (2714) is removably fitted in the sleeve void space. The screen is fitted in the sleeve void space when it is desirable to catch tissue that may be entrained in the fluid stream from the suction line. CCo r to N- 0 r In ...

Cassette for use with a medical waste collection system

Abstract A cassette (2600) for use with a medical waste collection system (30) is disclosed. The cassette includes a housing (2602, 2612) shaped to be removably attached to a receptacle (1699) integral with the housing. A sleeve (2640) is attached to the cassette so as to be located forward of the housing. The sleeve is formed with a void space. A fitting (2664) for collection to a suction line is attached to the sleeve. A screen (2714) is removably fitted in the sleeve void space. The screen is fitted in the sleeve void space when it is desirable to catch tissue that may be entrained in the fluid stream from the suction line. 182-- , 70 101 40 59-1 --- 32 co 0n w H-Z wm o 0)0 zic0 U)O co m0 Lo r LO >%%SNIPPET%% (00 ...

Cassette For Collecting A Tissue Sample With A Medical Fluid Collection System

A cassette for collecting a tissue sample. The cassette includes a housing configured to be removably coupled with a manifold receiver of a medical fluid collection system. The housing defines a first void space, a second void space, and an outlet opening. A catch tray is removably positionable within the first void space and includes a screen defining porous features for collecting the tissue sample. A filter element separate from the catch tray is disposed within the second void space. The housing may include a cap portion defining the first void space, and a shell portion coupled to the cap portion and defining the second void space. The cassette may be simultaneously operable in a tissue collection mode in which fluid is suctioned across the catch tray to collect the tissue sample, and a bypass mode in which the fluid is not suctioned across the catch tray.

Anordning för behandling av sår med reducerat tryck

WOUND DRESSING

Anordning för behandling av sår med reducerat tryck

Selectively moveable valve elements for aspiration and irrigation circuits

Various arrangements of fluidics systems are disclosed. In one arrangement, an aspiration circuit for a fluidics system is disclosed that selectively controls aspiration. The aspiration circuit comprises an aspiration line operatively connected to a surgical instrument, an aspiration exhaust line operatively connected to a waste receptacle; an aspiration vent line connected at a first end to the aspiration line; and a selectively variable vent valve operatively connected to the aspiration vent line. The variable vent valve may be selectively moved to vary aspiration pressure within the aspiration line. Other fluidics systems are disclosed that include a selectively positionable irrigation valve that may also be incorporated into a fluidics system that includes a variable vent valve.

Wound Treatment System and Wound Treatment Kit

A wound treatment system having a seal which can be applied to a skin surrounding the wound and a fluid-permeable pad which is arranged between the seal and a wound bed W made of a flat, essentially planar full plastic body which is penetrated by drainage passages, characterized in that at least one of the drainage passages has a valve.

Liquid collection device and method

A liquid collection device for use in drawing liquid from an opening in a body of a person or an animal. The device includes a perforated container, and an outlet port. The perforated container defines a chamber shaped to collect liquid drawn into the chamber through perforations in the container. The outlet port enables liquid to be drawn from the chamber by a partial vacuum applied at the outlet port. The container is configured to receive wicking material that covers at least some of the perforations and is also configured and dimensioned for placement of the wicking material in, or over approximately an exposed breadth of, an opening in a person or an animal, so that upon said placement of the container with at least some of the perforations being covered by said wicking material, when a partial vacuum is applied at the outlet port, liquid can be drawn from said opening through the wicking material and into the chamber and from the chamber through the outlet port.

VACUUM SPONGE DRAINAGE

A vacuum sponge system, comprising: a sponge having an outer surface, a proximal end and a distal end, spaced from the proximal end in an axial direction of the sponge; a drainage tube disposed partially in the sponge, and is in fluid communication with the sponge; the drainage tube is connectable with a vacuum pump such that a pressure is applicable to the outer surface of the sponge; and a delivery member having an outer surface and extending in an axial direction of the sponge and adapted to establish a fluid communication between a region from the distal end of the sponge and region from the proximal end of the sponge. The pressure provided by the pump via the drainage tube is applied to a vicinity of the outer surface of the delivery member and the outer surface of the sponge. The delivery member is disposed partially radially outside of the sponge.

WOUND DRESSING

A wound dressing comprising a component wherein said component comprises a planar backing sheet and a yarn wherein the yarn extends through the planar backing sheet from the first side of the sheet to form a plurality of tufts on the second side of the planar backing sheet. Also disclosed is a component comprising an elastomeric planar backing sheet and an absorbent yarn and a component comprising a planar backing sheet and a monofilament yarn wherein in each case the yarn extends through the planar backing sheet from the first side of the sheet to form a plurality of tufts on the second side of the planar backing sheet. Also disclosed is a method of manufacturing the components, a wound dressing or a negative pressure apparatus comprising the components and a method of treating a wound using said wound dressing or negative pressure apparatus comprising the components. 1. A wound dressing comprising a component wherein said component comprises a planar backing sheet and a yarn wherein the yarn extends through the planar backing sheet from the first side of the planar backing sheet to form a plurality of tufts on the second side of the planar backing sheet.2. A component for a wound dressing comprising an elastomeric planar backing sheet and an absorbent yarn wherein the yarn extends through the planar backing sheet from the first side of the sheet to form a plurality of tufts on the second side of the planar backing sheet.3. A component according to wherein the absorbent yarn comprises at least 50% absorbent material.4. A component according to claim 2 , wherein the absorbent material is a superabsorbent material and/or a gelling material.5. A component according to claim 2 , wherein the absorbent yarn is a hydrophilic yarn.6. A component according to claim 2 , wherein the tufts are formed in a zig-zag pattern.7. A component according to claim 2 , wherein the tufts are fixed to the planar backing sheet.8. The wound dressing of claim 1 , wherein the yarn is a ...

DRESSING FOR DISRUPTION OF DEBRIS AT A TISSUE SITE

In an example embodiment, a dressing for disrupting debris in a tissue site may comprise a manifold having a first face and a second face. The dressing may also include a plurality of surface features formed from a compressible material. The plurality of surface features may define channels on at least the first face of the manifold. The channels may receive tissue in response to the application of negative pressure. In another example embodiment, a system for softening tissue at a tissue site may include a contact layer. The contact layer may include at least two concentric edges and at least one frangible strut mechanically coupling the concentric edges. The concentric edges and the frangible strut may define through-holes in the contact layer. The through-holes in the contact layer may have an open area in a range of about 0.25 square centimeters to about 15 square centimeters.

Negative pressure wound therapy apparatus

Disclosed embodiments relate to apparatuses and methods for wound treatment. In certain embodiments, a negative pressure wound therapy apparatus can include a wound dressing comprising an absorbent layer comprising a plurality of portions of absorbent material that can be physically separate from each other. In some embodiments, a wound treatment apparatus can include an absorbent layer comprising a compressed portion configured to impede the flow of fluid therethrough. In some embodiments, a wound treatment apparatus can include an absorbent layer and spacer layer positioned side by side.

Apparatus for cutting a material and a method for cutting a negative pressure wound therapy dressing

A method for accurately, rapidly and consistently cutting an opening in drape material for negative pressure wound therapy (NPWT) uses a cutting device that includes a plurality of cutting members that can extend from a bottom surface of the cutting device. A cover may fit over the bottom to protect the cutting members. The cutting members may be positioned to define a cut-out shape having dimensions designed for use with a NPWT system. An adhesive material may be formed on the bottom surface of the cutting device, inside of the cut-out shape defined by the cutting members. In use, the user presses the cutting tool onto the drape to cause the cutting members to cut into the drape and the adhesive to stick to the drape. When the user lifts the device, the drape, cut to the correct size and shape, is removed from the foam dressing covering the wound.

APPARATUS FOR CUTTING A MATERIAL AND A METHOD FOR CUTTING A NEGATIVE PRESSURE WOUND THERAPY DRESSING

A method and device for accurately, rapidly and consistently cutting an opening in drape material for negative pressure wound therapy (NPWT) uses a cutting device that includes a cutting member that can extend from a bottom surface of the cutting device. A cover may fit over the bottom to protect the cutting member. The cutting member may be positioned to define a cut-out shape having dimensions designed for use with a NPWT system. An adhesive material may be formed on the bottom surface of the cutting device, inside of the cut-out shape defined by the cutting members. In use, the user presses the cutting tool onto the drape to cause the cutting member to cut into the drape and the adhesive to stick to the drape. When the user lifts the device, the drape, cut to the correct size and shape, is removed from the foam dressing covering the wound.

Selectively moveable valve elements for aspiration and irrigation circuits

Cassette for collecting a tissue sample with a medical fluid collection system

A cassette for collecting a tissue sample. The cassette includes a housing configured to be removably coupled with a manifold receiver of a medical fluid collection system. The housing defines a first void space, a second void space, and an outlet opening. A catch tray is removably positionable within the first void space and includes a screen defining porous features for collecting the tissue sample. A filter element separate from the catch tray is disposed within the second void space. The housing may include a cap portion defining the first void space, and a shell portion coupled to the cap portion and defining the second void space. The cassette may be simultaneously operable in a tissue collection mode in which fluid is suctioned across the catch tray to collect the tissue sample, and a bypass mode in which the fluid is not suctioned across the catch tray.

Device for treatment of wounds with reduced pressure

Device for treating wounds with reduced pressure. The device comprises a sealing film, which is placed sealingly around the wound to cover the latter, an underpressure source, as well as a tube, which connects a space over the wound and beneath the sealing film to the underpressure source. The interior of the tube comprises a longitudinal first strand made of a hydrophobic material, as well as a second strand, made of an open-pored hydrophilic material, extending longitudinally over at least a part of the length of the tube. The said material strands are enclosed in a tube casing made of a flexible material.

Specimen cassette with a removable catch tray for retrieving tissue samples from a fluid stream generated during a medical/surgical procedure

A cassette (2600) for use with a medical waste collection system (30). The cassette includes a housing (2602, 2612) shaped to be removably attached to a receptacle (1699) integral with the housing. A sleeve (2640) is attached to the cassette so as to be located forward of the housing. The sleeve is formed with a void space. A fitting (2664) for collection to a suction line is attached to the sleeve. A screen (2714) is removably fitted in the sleeve void space. The screen is fitted in the sleeve void space when it is desirable to catch tissue that may be entrained in the fluid stream from the suction line.

Selectively moveable valve elements for aspiration and irrigation circuits

Various arrangements of fluidics systems are disclosed. In one arrangement, an aspiration circuit for a fluidics system is disclosed that selectively controls aspiration. The aspiration circuit comprises an aspiration line operatively connected to a surgical instrument, an aspiration exhaust line operatively connected to a waste receptacle; an aspiration vent line connected at a first end to the aspiration line; and a selectively variable vent valve operatively connected to the aspiration vent line. The variable vent valve may be selectively moved to vary aspiration pressure within the aspiration line. Other fluidics systems are disclosed that include a selectively positionable irrigation valve that may also be incorporated into a fluidics system that includes a variable vent valve.

ABSORBENT COMPONENT

An absorbent component for a wound dressing comprises a stitch bonded nonwoven substrate wherein the nonwoven substrate is stitch bonded with an elastomeric yarn and wherein the nonwoven substrate comprises a superabsorbent material and/or a gelling material. Also disclosed is a method of manufacturing the absorbent component, a wound dressing or a negative pressure apparatus comprising the absorbent component and a method of treating a wound using said wound dressing or negative pressure apparatus comprising the absorbent component.

REUSABLE ELASTIC WOUND CARE DRESSING COVER

SELECTIVELY MOVEABLE VALVE ELEMENTS FOR ASPIRATION AND IRRIGATION CIRCUITS

Various arrangements of fluidics systems are disclosed. In one arrangement, an aspiration circuit for a fluidics system is disclosed that selectively controls aspiration. The aspiration circuit comprises an aspiration line operatively connected to a surgical instrument, an aspiration exhaust line operatively connected to a waste receptacle; an aspiration vent line connected at a first end to the aspiration line; and a selectively variable vent valve operatively connected to the aspiration vent line. The variable vent valve may be selectively moved to vary aspiration pressure within the aspiration line. Other fluidics systems are disclosed that include a selectively positionable irrigation valve that may also be incorporated into a fluidics system that includes a variable vent valve.

PORTABLE SUCTION SYSTEM

A portable suction system including a pump device and a removable bag device. The pump device includes a housing defining a recess; a motor assembly positioned within the housing; a first rod at least partially extending from the housing into the recess; and a second rod at least partially extending from the housing into the recess. The first rod and the second rod are driven in response to energization of the motor assembly. The bag device is at least partially positioned within the recess, and the bag device includes: a bag; a vacuum connector; a first piston coupled to the first rod; and a second piston coupled to the second rod.

APPARATUSES AND METHODS FOR REMOVING FLUID FROM A WOUND UTILIZING CONTROLLED AIRFLOW

Systems, apparatuses, and methods for providing negative pressure to a tissue site are closed. Illustrative embodiments may include a system comprising a dressing having tissue interface in fluid communication with the tissue site. Such system may also comprise a canister having a fluid inlet fluidly coupled to the canister and an ambient inlet fluidly coupled to ambient air outside the collection chamber. Such system may further comprise a first outlet fluidly coupled to the canister and adapted to receive negative pressure from a source of negative pressure, and a second outlet. Such system also may comprise a fluid conductor fluidly coupled between the second outlet and the tissue interface, wherein the fluid conductor may be adapted to deliver ambient air to the tissue site. In some embodiments, such system may also comprise a regulator fluidly coupled between the second outlet and the ambient inlet, wherein the regulator is adapted to provide ambient air through the fluid conductor ...

Safe operation of integrated negative pressure wound treatment apparatuses

Disclosed herein are systems and methods for safe operation of a wound treatment apparatus with electronic components integrated on or within a wound dressing. In some embodiments, the electronic components include a power source, an isolation circuit, a controller, a capacitor, and a negative pressure source. The isolation circuit provides multiple activation states with at least one state preventing application of power to the other electronic components capable of storing electrical energy, thereby providing a safe operation of the apparatus. For example, sterilization of the apparatus can be performed safely.

Specimen collection cassette for retrieving tissue samples from a fluid stream generated during a medical/surgical procedure

A specimen collection cassette for a medical fluid collection system. A housing defines a first void space and a second void space, and an outlet opening in fluid communication with the first and second void spaces. An aperture may be within a wall separating the first and second void spaces with the aperture providing fluid communication between the first and second void spaces. First and second fittings receive a suction line for drawing fluid into the first and second void spaces, respectively. A fluid communication path is established from the first fitting to the outlet opening through the first void space, aperture, and the second void space, and a bypass fluid communication path is established from the second bore to the outlet opening through the second void space. The cassette is operable in one or both of a tissue sample collection mode and a bypass mode.

circuit aspiration to a fluid system

VALVING ELEMENTS WHICH CAN BE SELECTIVELY MO FOR SUCTION AND IRRIGATION CIRCUITS

Se revelan diversas disposiciones de sistemas fluídicos. En una disposición, se revela un circuito de aspiración para un sistema fluídico que controla la aspiración de manera selectiva. El circuito de aspiración comprende una línea de aspiración conectada operativamente a un instrumento quirúrgico, una línea de escape de aspiración conectada operativamente a un receptáculo de desecho; una línea de venteo de aspiración conectada en un primer extremo a la línea de aspiración; y una válvula de venteo selectivamente variable conectada operativamente a la línea de venteo de aspiración. La válvula de venteo variable puede moverse selectivamente para variar la presión de aspiración dentro de la línea de aspiración. Se revelan otros sistemas fluídicos que incluyen una válvula de irrigación que puede ubicarse selectivamente que también puede incorporarse a un sistema fluídico que incluye una válvula de venteo variable.

VACUUM SEALED BANDAGE AND METHODS OF USE

The present disclosure relates to wound bandages. More specifically, the present disclosure describes a vacuum sealed bandage having a film layer that is manipulable into a wound by way of negative pressure imparted by a removable medical syringe. The vacuum sealed bandage of the present disclosure does not have a vacuum pump, does not constantly apply negative pressure to the wound through an electro-mechanical device or vacuum pump, and/or does not have chords or tubes positioned to opposite sides of the film layer or extending from one side of the film layer to another side of a film layer where the chord or tube is positioned between the film and the wound.

SELECTIVELY MOVEABLE VALVE ELEMENTS FOR ASPIRATION AND IRRIGATION CIRCUITS

NEGATIVE-PRESSURE DRESSING WITH PREFERENTAL LATERAL CONTRACTION

Vacuum suction apparatus for fistulas and similar ulcerations

The present invention relates to a vacuum suction apparatus for fistulas and the like and consists of a flat-bottomed open box 2 which is made of plastic which is expediently translucent, with the box having a connecting mouthpiece 3 for a vacuum hose whose other end is connected to a vacuum pump. The aperture of the box is provided with an outwardly directed flange 5 which passes around the circumference, and the material in the region in the vicinity of the aperture consists of a soft and elastically flexible material 1, for example soft silicone rubber. The aperture is covered by a rather wide- spaced grating 4 which is made of a material which is somewhat harder than the soft elastic material, and the bottom section of the box is also made from a relatively solid material. When the vacuum suction apparatus is used, the grating-cover aperture of the box is placed over a hole in a sterile dressing, which is self-adhesive and which has been applied over the sutured healing area such that ...

Wound therapy systems and methods with multiple power sources

The present disclosure provides in part improved apparatuses, systems, and methods for providing therapy to a wound. A system can include a first power source configured to power an electronic component and a second power source configured to power the electronic component in place of the first power source. Responsive to a first condition, the second power source can power the electronic component in place of the first power source. In some cases, the system can include a pressure source that is configured to provide negative pressure to a wound dressing positioned over a wound. The wound dressing can support the first power source or the second power source.

SELECTIVELY MOVEABLE VALVE ELEMENTS FOR ASPIRATION AND IRRIGATION CIRCUITS

WOUND THERAPY SYSTEMS AND METHODS WITH MULTIPLE POWER SOURCES

The present disclosure provides in part improved apparatuses, systems, and methods for providing therapy to a wound. A system can include a first power source configured to power an electronic component and a second power source configured to power the electronic component in place of the first power source. Responsive to a first condition, the second power source can power the electronic component in place of the first power source. In some cases, the system can include a pressure source that is configured to provide negative pressure to a wound dressing positioned over a wound. The wound dressing can support the first power source or the second power source.

CHAIN MAIL SURGICAL COLLAR AND METHOD OF PERCUTANEOUS DEVICE STABILIZATION THEREWITH

Percutaneous access devices (PAD) or other implantable medical devices formed with chain mail are provided. The use of chain mail allows for a flexible PAD that promotes the formation of natural biologic seals between the skin and the device to form a barrier to microbial invasion into the body. Percutaneous access devices may be used for cardiac assist systems, peritoneal dialysis catheters, Steinman pin, Kirschner wires, chronic indwelling venous access catheters that require skin penetration, and osseo-integrated percutaneous medical appliances. Unlike conventional chain mail that is only formed in two dimensional sheets, chain mail is formed in elongated linear chains with occasional interlinks, two dimensional sheets, and in other configurations and combinations including three dimensional structures, pendant petals, elongated linear chains, combined fractal structures having a non-integer dimensionality intermediate between 1 and 3, and combinations thereof. Chain mail may be formed ...

FLUID DRAINAGE AND DELIVERY DEVICE FOR WOUND TREATMENT

A device for implantation at a treatment site in the body of a patient for the removal of fluid from the treatment site. The device includes a conduit structure at least in part defining a fluid removal lumen, and a porous bioresorbable sheath surrounding a portion of the conduit structure. The conduit structure comprises a removable component configured for removal from the treatment site upon completion of treatment.

VAKUUMSUG FOR FISTLAR OCH LIKNANDE SARBILDNINGAR

SYSTEMS AND METHODS FOR PAIRING WITH WOUND THERAPY DEVICES

A negative pressure wound therapy device can include a housing with an exterior surface including a region configured to facilitate pairing with a computing device. Electronic circuitry of the negative pressure wound therapy device can be configured to receive pairing data from the computing device in response to the computing device physically contacting a portion of the exterior surface of the housing within the region or the computing device being positioned at a distance satisfying a threshold distance from the exterior surface of the housing within the region, the pairing data being received using a first communication protocol, pair with the computing device using the pairing data, and subsequent to the pairing, transmit data to and receive data from the computing device using a second communication protocol different from the first communication protocol.

circuito de aspiração para um sistema de fluidos

Aspiration circuit for a fluidics system for selectively controlling aspiration

Various arrangements of fluidics systems are disclosed. In one arrangement, an aspiration circuit for a fluidics system is disclosed that selectively controls aspiration. The aspiration circuit comprises an aspiration line operatively connected to a surgical instrument, an aspiration exhaust line operatively connected to a waste receptacle; an aspiration vent line connected at a first end to the aspiration line; and a selectively variable vent valve operatively connected to the aspiration vent line. The variable vent valve may be selectively moved to vary aspiration pressure within the aspiration line. Other fluidics systems are disclosed that include a selectively positionable irrigation valve that may also be incorporated into a fluidics system that includes a variable vent valve.

APPARATUS FOR CUTTING A MATERIAL AND A METHOD FOR CUTTING A NEGATIVE PRESSURE WOUND THERAPY DRESSING

A method for accurately, rapidly and consistently cutting an opening in drape material for negative pressure wound therapy (NPWT) uses a cutting device that includes a plurality of cutting members that can extend from a bottom surface of the cutting device. A cover may fit over the bottom to protect the cutting members. The cutting members may be positioned to define a cut-out shape having dimensions designed for use with a NPWT system. An adhesive material may be formed on the bottom surface of the cutting device, inside of the cut-out shape defined by the cutting members. In use, the user presses the cutting tool onto the drape to cause the cutting members to cut into the drape and the adhesive to stick to the drape. When the user lifts the device, the drape, cut to the correct size and shape, is removed from the foam dressing covering the wound.

SYSTEM AND METHOD FOR RETRIEVING TISSUE SAMPLES FROM A FLUID STREAM GENERATED DURING A MEDICAL/SURGICAL PROCEDURE

A cassette (2600) for use with a medical waste collection system (30). The cassette includes a housing (2602, 2612) shaped to be removably attached to a receptacle (1699) integral with the housing. A sleeve (2640) is attached to the cassette so as to be located forward of the housing. The sleeve is formed with a void space. A fitting (2664) for collection to a suction line is attached to the sleeve. A screen (2714) is removably fitted in the sleeve void space. The screen is fitted in the sleeve void space when it is desirable to catch tissue that may be entrained in the fluid stream from the suction line.

Aspiration circuit for a fluidics system for selectively controlling aspiration

Selectively moveable valve elements for aspiration and irrigation circuits

Various arrangements of fluidics systems are disclosed. In one arrangement, an aspiration circuit for a fluidics system is disclosed that selectively controls aspiration. The aspiration circuit comprises an aspiration line operatively connected to a surgical instrument, an aspiration exhaust line operatively connected to a waste receptacle; an aspiration vent line connected at a first end to the aspiration line; and a selectively variable vent valve operatively connected to the aspiration vent line. The variable vent valve may be selectively moved to vary aspiration pressure within the aspiration line. Other fluidics systems are disclosed that include a selectively positionable irrigation valve that may also be incorporated into a fluidics system that includes a variable vent valve.

Tissue Interface With Integral Fluid-Control Layer

Tissue dressing materials and associated methods of forming such dressing materials are disclosed. In one example embodiment, a dressing material may include a foam and a film formed on a first side of the foam. The film may be integrally-formed on the side of the foam. The film may include a plurality of apertures. A method of making the dressing material may include placing a pre-polymer mixture and water into a mold to create the dressing material comprising a foam and an integral film on at least one surface of the foam. The method may further include forming a plurality of openings in at least the integral film, with the openings being formed within the mold or subsequent to removal of the dressing material from the mold.

Selectively moveable valve elements for aspiration and irrigation circuits

Various arrangements of fluidics systems are disclosed. In one arrangement, an aspiration circuit for a fluidics system is disclosed that selectively controls aspiration. The aspiration circuit comprises an aspiration line operatively connected to a surgical instrument, an aspiration exhaust line operatively connected to a waste receptacle; an aspiration vent line connected at a first end to the aspiration line; and a selectively variable vent valve operatively connected to the aspiration vent line. The variable vent valve may be selectively moved to vary aspiration pressure within the aspiration line. Other fluidics systems are disclosed that include a selectively positionable irrigation valve that may also be incorporated into a fluidics system that includes a variable vent valve.

WOUND OXYGEN TREATMENT SYSTEM

A wound treatment system includes a processor coupled to sensor system(s), a power delivery system, an oxygen concentrator coupled to the power delivery system and including an oxygen outlet coupled to a restricted airflow enclosure provided by a dressing and located adjacent a wound site, and a negative pressure system that includes a negative pressure outlet coupled to the restricted airflow enclosure. The processor receives first sensor information from the sensor system(s), and uses the first sensor information to control the power provided from the power delivery system to the oxygen concentrator in order to control an oxygen flow created by the oxygen concentrator and provided through the oxygen outlet to the restricted airflow enclosure. When the processor receives second sensor information from the sensor system(s), it activates the negative pressure system to create a fluid flow from the restricted airflow enclosure and through the negative pressure outlet.

Selectively moveable valve elements for aspiration and irrigation circuits

Various arrangements of fluidics systems are disclosed. In one arrangement, an aspiration circuit for a fluidics system is disclosed that selectively controls aspiration. The aspiration circuit comprises an aspiration line operatively connected to a surgical instrument, an aspiration exhaust line operatively connected to a waste receptacle; an aspiration vent line connected at a first end to the aspiration line; and a selectively variable vent valve operatively connected to the aspiration vent line. The variable vent valve may be selectively moved to vary aspiration pressure within the aspiration line. Other fluidics systems are disclosed that include a selectively positionable irrigation valve that may also be incorporated into a fluidics system that includes a variable vent valve.

TISSUE TREATMENT DEVICE

Disclosed embodiments relate to apparatuses and methods for wound treatment with ultrasound. In certain embodiments, a therapeutic ultrasound wound treatment apparatus includes a wound dressing configured to be positioned over a wound to provide a substantially fluid impermeable seal over the wound and a transducer to deliver therapeutic ultrasound to tissue. The therapeutic ultrasound wound treatment apparatus may further include a wound contact layer configured to be positioned in contact with the wound, a transmission layer positioned above the wound contact layer, an absorbent layer positioned above the transmission layer and configured to absorb wound fluid, and a backing layer positioned above the absorbent layer and including an orifice. Also disclosed are multiple parameters for the therapeutic ultrasound signal.

SELECTIVELY MOVEABLE VALVE ELEMENTS FOR ASPIRATION AND IRRIGATION CIRCUITS

Various arrangements of fluidics systems are disclosed. In one arrangement, an aspiration circuit for a fluidics system is disclosed that selectively controls aspiration. The aspiration circuit comprises an aspiration line operatively connected to a surgical instrument, an aspiration exhaust line operatively connected to a waste receptacle; an aspiration vent line connected at a first end to the aspiration line; and a selectively variable vent valve operatively connected to the aspiration vent line. The variable vent valve may be selectively moved to vary aspiration pressure within the aspiration line. Other fluidics systems are disclosed that include a selectively positionable irrigation valve that may also be incorporated into a fluidics system that includes a variable vent valve.

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.

SELECTIVELY MOVEABLE VALVE ELEMENTS FOR ASPIRATION AND IRRIGATION CIRCUITS

Various arrangements of fluidics systems are disclosed. In one arrangement, an aspiration circuit for a fluidics system is disclosed that selectively controls aspiration. The aspiration circuit comprises an aspiration line operatively connected to a surgical instrument, an aspiration exhaust line operatively connected to a waste receptacle; an aspiration vent line connected at a first end to the aspiration line; and a selectively variable vent valve operatively connected to the aspiration vent line. The variable vent valve may be selectively moved to vary aspiration pressure within the aspiration line. Other fluidics systems are disclosed that include a selectively positionable irrigation valve that may also be incorporated into a fluidics system that includes a variable vent valve.

Wound packing members

A method of making a three-dimensional wound packing member is described, the method comprising the steps of: taking material selected from at least one of the following forms comprising perforated sheet, net, woven, non-woven and knitted material; subjecting the at least one material to at least one forming process selected from the processes comprising rolling into tubes, braiding, knotting and knitting to form a three-dimensional and resilient structural unit member for packing into a wound.

Reduced pressure therapy devices

Described generally herein are tissue therapy devices, which may comprise a sealant layer and a suction apparatus. The sealant layer functions so as to create a sealed enclosure between it and the surface of a patient by forming, preferably, an airtight seal around an area of tissue that requires negative pressure therapy. The tissue therapy device may comprise a suction apparatus. The suction apparatus is typically in fluid communication with the sealant layer and functions so as to reduce the amount of pressure present underneath the sealant layer. The reduced pressure is self-created by the suction apparatus. Together the sealant layer and the suction apparatus preferably create a closed reduced pressure therapy system. Preferably, the pressure under the sealant layer is reduced by expanding the volume of the enclosure space and thereby decreasing the density of the air molecules under the sealant layer.

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.

Devices and methods for treatment of damaged tissue

Methods and devices for treatment of damaged tissue are disclosed, including treatment of wounds by employing non-electrically powered, reduced pressure therapy devices. Maintenance and control of the sub atmospheric pressure exerted may be provided by such devices while minimizing discomfort to the user. The devices may be configured to be worn inconspicuously underneath clothing.

Reduced-pressure systems, devices, and methods for treating a tissue site that includes a fistula

Systems, methods, and devices are disclosed that involve a fistula-isolating device for use when reduced pressure is applied to a wound bed having a fistula. In one instance, the fistula-isolating device includes an adjustable passageway member and a perimeter member that contracts under reduced pressure and that automatically accommodates wound beds of different heights. In another instance, the fistula-isolating device involves a body shaped as a frustro-conical body that is readily sized for different depth wound beds. Other systems, methods, and devices are presented.

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.

Medical canister connectors

A medical canister connector is presented for connecting to a medical canister, which has a patient port and a reduced-pressure port. The medical canister connector includes a first connection member that is coupled to a patient-port-attachment member, which is for coupling to a patient port on a medical canister and has a patient-port opening with a first longitudinal axis. The medical canister connector also includes a second connection member coupled to a reduced-pressure-port-attachment member, which is for coupling to a reduced-pressure port on the medical canister and has a reduced-pressure-port opening with a second longitudinal axis. A spacing member or pressure transport member may be used to couple the first connection member to the second connection member. The spacing member or transport member flexes and twists during connection. The medical canister connector may also help organize one or more pressure-sensing conduits. Methods are also presented.

Method and apparatus pertaining to a medical drape having a suction port

A medical drape has at least one suction port disposed. By one approach the medical drape includes a fenestration and the suction port is disposed within the fenestration. By one approach the fenestrated area includes an incise film (which may itself be fenestrated if desired) and the suction port is disposed through that incise film. Suction applied to this suction port facilitates maintaining the incise film in place on the patient. This suction port can have a first end configured to attach to suction tubing. The medical drape can include a patient-side spacer and this spacer can comprise a compressible, resilient material that is substantially permeable to liquids. If desired, such a spacer can be disposed over a patient-side suction opening of the suction port.

Open-cavity, reduced-pressure treatment devices and systems

An open-cavity, reduced-pressure treatment device and system for treating a cavity in a patient's body, such as an abdominal cavity, is presented. In one instance, an open-cavity, reduced-pressure treatment device includes a plurality of encapsulated leg members, each having an interior portion with a leg manifold member and formed with fenestrations operable to allow fluid flow into the interior portion, and a central connection member fluidly coupled to the plurality of encapsulated leg members. The central connection member has a connection manifold member. The open-cavity, reduced-pressure treatment devices, systems, and methods allow for, among other things, removal of fluids.

Apparatuses, methods, and compositions for the treatment and prophylaxis of chronic wounds

According to an illustrative embodiment a method to promote healing of a wound is provided comprising contacting the wound with a biologically active composition comprising a lipoic acid derivative and gelatin. In another embodiment a topical composition is provided, which can be formulated as a homogenous mixture, such as a spray, mist, aerosol, lotion, cream, solution, oil, gel, ointment, paste, emulsion or suspension or applied on a carrier material, such as a bandage, gauze, foam, sponge, hydrogel, hydrocolloid, hydrofiber, occlusive dressing, adhesive composition or scaffold. Methods for producing such a topical composition and carrier material with the topical composition applied thereto are also disclosed.

Therapy delivery systems and methods

Fluid removal systems and methods for removing fluid from a tissue site are presented. The system includes a semi-permeable inbound conduit, which is fluidly coupled to a treatment-fluid delivery unit, for placement proximate to the tissue site, and a semi-permeable outbound conduit, which is fluidly coupled to the inbound conduit and to a treatment-fluid collector, for placement proximate to the tissue site of a patient. The treatment-fluid collector receives a treatment fluid and a recruited fluid from the tissue site. A recruited-fluid determination unit may be coupled to the treatment-fluid collector to determine a volume of fluid recruited from the patient. The treatment fluid is any fluid (including a gas) that pulls fluid from the interstitial and intracellular space. A reduced-pressure treatment subsystem may also be included, among other things, for removing ascites and other fluids from a body cavity.

Wound dressing system

System, method, and components for hygienic maintenance of a surgical wound configured for drainage of ascites from a body cavity. Different aspects of the system may include one or more of a wound dressing, a pocket for low-profile, hygienic, and aesthetic storage of a drainage catheter configured for attachment to a patient and/or wound dressing, and an apron device configured for installation and/or exchange of a wound dressing.

Wound dressing, containing nonwoven fabric and ointment base for negative pressure therapy

The invention relates to a device for the negative pressure treatment of wounds comprising (a) a covering material for providing a wound space with an air-tight seal; (b) optionally means for connecting a negative pressure source; and (c) a wound dressing containing (c1) a nonwoven material which is wetted with (c2) an ointment base, and also a method for producing a corresponding wound dressing. In addition, the invention relates to the use of an nonwoven material, which is wetted with an ointment base, for application as a wound dressing in the negative pressure treatment of wounds.

Manual negative pressure dressing-Webster's Dressing

Vacuum therapy is an effective way to treat complex open wounds. Today, most of the equipment is very expensive to provide widespread use of this therapy and, most of them, are designed to in-patient use. Also, there are difficulties to obtain the needed materials in the same package for specific use of treating open wounds, which causes delay in the treatment. We designed a kit that is cost-effective and ready-to-use to be used with Jackson-Pratt or Portovac style suction drains that allows a cheap, out-patient alternative for use in open-wound situations. We devise that this system could be used in emergency situations where there is a hostile environment such as natural catastrophes, war and emergency situations, as well as to regular in and out-patient wound care.

Systems and methods for vacuum-assisted regeneration of damaged tissue

A system and method for regenerating damaged or necrosed tissue. Negative or vacuum pressure is applied to a surface of the damaged tissue to stimulate the revascularization of the area and/or increased blood flow to the area, which encourages the regeneration of the damaged tissue. A negative pressure device is provided that is capable of providing a sequenced vacuum treatment regimen to damaged tissue.

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.

Device and method for treating central nervous system pathology

The present invention relates generally to a device and method for treating tissues of the central nervous system and more particularly, but not exclusively, to a device and method for treating the brain tissue.

Wound treatment device

A wound treatment device comprises a wound surface contacting plug and a cover for covering the wound surface and the plug, wherein said plug consists of a flat textile isolating material comprising at least one first surface layer, one second surface layer and one intermediate space arranged between said surface layers. At least the first surface layer is provided with a biocompatible surface and a structure which enables a liquid to pass and prevents a wound tissue from growing in said structure. The intermediate space is provided with isolating threads elastically holding the first surface layer and the second surface layer at a certain distance from each other.

Reduced pressure tissue treatment systems and methods having a reduced pressure dressing and associated valve

A system for treating multiple tissue sites of a patient includes a first dressing filler adapted to be positioned at a first of the tissue sites. A second dressing filler is adapted to be positioned at a second of the tissue sites. A bridge manifold is positioned between the first tissue site and the second tissue site to provide fluid communication between the first and the second tissue site. A reduced pressure source is fluidly connected to at least one of the bridge manifold, the first tissue site, and the second tissue site. A valve is operably associated with one of the first and the second tissue sites to allow fluid to flow from the one of the first and the second tissue sites, but precluding flow towards the one of the first and the second tissue sites.

Fibrous Wound Filler Material for Negative Pressure Wound Therapy

An apparatus for promoting the healing of an exuding wound includes a wound cover for defining a reservoir over a wound in which a negative pressure may be maintained. The cover may form a substantially fluid-tight seal around the wound and permit fluid communication between the reservoir and a vacuum source suitable for providing an appropriate negative pressure to the reservoir to stimulate healing of the wound. A wound filler positioned between the wound and the wound cover includes a nonwoven material at least partially perforated by sonic welding.

Reduced-pressure dressing assemblies for use in applying a closing force

A closing dressing bolster and assembly for use with a system for treating a linear wound on a patient includes a bolster body formed from a flexible closing bolster material having closing members that are operable to develop an inward closing force when the closing dressing bolster is placed under reduced pressure. In one aspect, when the closing dressing bolster is under reduced pressure, the system, dressing, or assembly develops an inward force realized at the linear wound and a compression force. A wicking-material holder and wicking material may be used as well. The member components may all be see-through to allow visual inspection of the wound without requiring removal of the dressing.

Wound Dressing of Continuous Fibers

A method for treating a wound that includes incorporating a wound dressing comprising a plurality of fibers, each fiber having a length of at least two (2) inches, into a wound to cause the walls of the wound to remain apart and allow the wound to heal from the inside to the outside, and removing the wound exudate.

Low-profile reduced pressure treatment system

A low-profile reduced pressure treatment apparatus and system are provided. The apparatus includes a moldable conduit holder, a conduit through the conduit holder, and a flexible base. The conduit holder has first and second bulkhead surfaces, a convex top surface, and a bottom surface adapted to conform to a tissue contact region adjacent to a tissue site. An end of the conduit is substantially flush with the first bulkhead surface and a longitudinal axis of the conduit is substantially perpendicular to the first and second bulkhead surfaces. The base is connected on a first side to the bottom surface of the conduit holder, and extends beyond the first bulkhead surface to form an overlay zone adjacent the first bulkhead surface. An adhesive is disposed on a second side of the flexible base to secure the flexible base to the tissue contact region.

Adjustable reduced-pressure wound coverings

Adjustable covers, systems, and methods are presented that include an adjustable cover that may be adjusted to an appropriate size by hand without requiring cutting tools and without substantial leaks. In one instance, the adjustable covering includes a drape member with a plurality of non-leaking tear paths. Each non-leaking tear path includes a weakened path of the drape member that may be torn. The adjustable covering may further include a first plurality of tear starters formed on a first initiation edge of the drape member. Each tear starter of the first plurality of tear starters is aligned with one of the plurality of tear paths. Each of the first plurality of tear starters is adapted to facilitate the initiation of a tear along a tear path. The grains of the drape member, a backing layer, and support layer may also be in the same direction. Other adjustable covers, systems, and methods are presented.

Reduced-pressure dressings, systems, and methods employing desolidifying barrier layers

Reduced-pressure medical dressings, systems, and methods involve a dressing with a first barrier layer that desolidifies when exposed to a fluid—typically a liquid—to form a treatment aperture in the first barrier that is used to deliver reduced pressure to a tissue site. The first barrier layer is formed from a desolidifying material. The system includes a drape covering a second surface of a manifold and a portion of the patient's epidermis to provide a substantially sealed space containing a manifold and the first barrier layer. Other systems, dressings, and methods are also disclosed.

Dressing reduced-pressure indicators, systems, and methods

Dressings, systems, and methods are disclosed, in some embodiments, that involve treating a tissue site with reduced pressure, wherein the dressing includes a dressing reduced-pressure indicator that allows one to ascertain that the reduced pressure applied at the dressing is greater than a threshold reduced pressure. The dressing reduced-pressure indicator may include a moving member that is adapted to move under reduced pressure and a visual indicator associated with the moving member. Another embodiment uses an electro-mechanical indicator to provide a powered visual alert or audible alert or another output signal. Other dressings, systems, and methods are disclosed.

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.

Reduced pressure wound treatment system

A reduced pressure treatment appliance is provided for treating a wound on the body of a patient. In some embodiments, the appliance comprises an overlay, which is further comprised of cup members that may be detached or cut away from the overlay so that the overlay can be adjusted in size and shape. Also, in some embodiments, the overlay is further comprised of a pressure venting valve to maintain a predetermined level of reduced pressure at the site of the wound. In other embodiments, the wound treatment appliance also includes a vacuum system to supply reduced pressure to the site of the wound in the volume under the overlay. In yet other embodiments, the treatment appliance also includes wound packing means to prevent overgrowth of the wound or to encourage growth of wound tissue into an absorbable matrix comprising the wound packing means. In still other embodiments, a suction bulb may be used to provide a source of reduced pressure to an overlay that covers the wound. Finally, methods are provided for using various embodiments of the treatment appliance.

Surgical cavity drainage and closure system

A surgical drain device includes an adhesion matrix of biodegradable polymer material and a plurality of drain tubes attached to the matrix. The device is implanted within a surgical wound to treat the presence of seromas, for example, and is used to promote drainage, tissue adhesion, and wound closure. The drain tubes converge into a common collection tube that leads wound fluid outside the body under gravity feed or negative pressure applied to the collection tube. The matrix contains an array of apertures that allow tissue contact across the device. The device also can include a coating of surgical adhesive and a tissue anchoring system of hooks or barbs. The device and systems containing the device are particularly useful to promote the healing of surgical wounds from abdominal surgery.

Sub-atmospheric wound-care system

Methods and systems are provided for a sub-atmospheric wound-care (SAWS) system for treating an open wound. The SAWS system includes a regulated vacuum source for developing a negative pressure, a flow rate meter configured to measure a flow rate of liquid removed from the wound, a primary pressure regulating sensor located proximate the wound for directly measuring the negative pressure at the wound, a backup pressure regulating sensor located vacuum tube, a porous dressing suitable to be sealed airtight which is positioned within a wound interface chamber, a collection canister configured to collect said liquid removed from the wound, and an adapter configured to use wall suction a primary regulated vacuum source.

Flocked medical tube

A medical tube, especially for use in vacuum therapy, preferably endoluminal vacuum therapy, comprising at least one tube body and a flock material is described. A process for producing a medical tube comprises: coating the surface of at least one tube body with an adhesive at least partially, especially partially or completely, and flocking the adhesive-coated tube body with a flock material, while the adhesive is moist, adhesive or sticky, or after activating the adhesive. Alternatively, a process for producing a medical tube comprises: at least partial transformation of at least one tube body into an adhesive or sticky state and flocking of the at least partially adhesive or sticky tube body with a flock material. In addition, a drainage system, especially in the form of a kit is described.

Wound closure product

A wound closure system and a method of closing a wound are disclosed. The wound closure system includes a plurality of skin anchors mechanically attached to external skin tissue around a periphery of a wound, a line extending between the skin anchors, the line slidably engaged with each skin anchor, and a biasing member that provides tension on the line to draw all of the skin anchors toward the wound. The method of closing a wound includes the steps of attaching a plurality of skin anchors to external skin around a periphery of a wound, extending a line between the skin anchors around substantially the entire periphery of the wound, and providing tension to the line to draw the skin anchors toward the wound.

Apparatus and Method for Cardiac Tissue Modulation by Topical Application of Vacuum to Minimize Cell Death and Damage

A method and apparatus are provided for treating cardiac tissue to modulate ischemic heart tissue with topical sub-atmospheric pressure to minimize cell death and damage.

APPARATUS, SYSTEM, AND METHOD FOR MECHANICAL INDICATION OF PRESSURE

This disclosure describes devices, systems, and methods related to a connector for a dressing, such as a dressing of a hyperbaric oxygen therapy system. An example of a connector includes a connector body configured to define at least a portion of a first channel. The connector also includes a viewing member coupled to the connector body. The connector further includes a deformable member positioned within the first channel. The deformable member is configured to deform based on a pressure associated with the deformable member and to provide a visual indication, via the viewing member, of the pressure. 1. A connector for a dressing , the connector comprising:a connector body configured to define at least a portion of a first channel;a viewing member coupled to the connector body; anda deformable member positioned within the first channel and configured to deform based on a pressure of a cavity partially defined by the deformable member and to provide a visual indication, via the viewing member, of the pressure of the cavity.2. The connector of claim 1 , wherein the deformable member is configured to provide a first visual indication claim 1 , via the viewing member claim 1 , when the pressure of the cavity is greater than or equal to a first threshold.3. The connector of claim 2 , wherein:the cavity is distinct from a second cavity defined by the connector body, the viewing member, and the deformable member, andthe deformable member is configured to deform responsive to a force resulting from a pressure differential between the cavity and the second cavity.4. The connector of claim 3 , wherein the deformable member comprises an elastic polymer.5. The connector of claim 4 , wherein:the deformable member is configured to deform to transition between a first state and a second state,when the deformable member is in the first state, the deformable member is configured to indicate a neutral pressure state, andwhen the deformable member is in the second state, at least a ...

DRESSING WITH VARIABLE CONTRACTION ZONES

A manifold for treating a tissue site may include a first side and a second side opposite the first side. The second side of the manifold may be configured to face the tissue site, and to contract a greater amount than the first side of the manifold when exposed to a compressive force. In some illustrative examples, the manifold may be configured to distribute reduced pressure to the tissue site, and to contract when exposed to the reduced pressure. The manifold may be suitable for use with dressing assemblies, treatment systems, and methods for treating a tissue site. 139.-. (canceled)40. A dressing assembly configured to treat a tissue site , comprising:a manifold comprising a porous material configured to contract and to distribute a reduced pressure to the tissue site, the manifold further comprising a first side, a second side opposite the first side, and a thickness between the first side and the second side, the second side configured to face the tissue site; anda reinforcing member coupled at the first side of the manifold and configured to support the first side of the manifold such that the second side of the manifold is configured to contract a greater amount than the first side when the manifold is exposed to the reduced pressure.4142.-. (canceled)43. The dressing assembly of claim 40 , wherein at least a portion of the manifold is configured to be positioned between the reinforcing member and the tissue site.44. The dressing assembly of claim 40 , wherein the reinforcing member is configured to reduce an amount of contraction at the first side of the manifold relative to the second side of the manifold.45. The dressing assembly of claim 40 , wherein the reinforcing member is configured to preclude contraction at the first side of the manifold.46. The dressing assembly of claim 40 , wherein the reinforcing member comprises a stiffness that is greater than a stiffness of the manifold.47. The dressing assembly of claim 40 , wherein the reinforcing member ...

Differential Collapse Wound Dressings

Dressings and kits for use in negative-pressure therapy are provided herein comprising one or more manifolds and a polymer film laminated to the one or more manifolds. At least one manifold is felted and the manifolds may be placed in a stacked configuration and differentially collapse under negative pressure. Methods of making and using the dressings are also provided herein. 1. A dressing for use with negative-pressure wound therapy comprising:one or more manifolds, wherein at least one of the one or more manifolds is a felted manifold and the one or more manifolds are configured to differentially collapse during negative-pressure therapy; anda polymer film having fenestrations coupled to the one or more manifolds.2. The dressing of claim 1 , comprising two or more manifolds each having a different firmness.3. The dressing of claim 1 , wherein the one or more manifolds have two or more sections with different firmness.4. (canceled)5. The dressing of claim 1 , wherein the one or more manifolds comprise two or more manifolds in a stacked configuration.6. The dressing of claim 1 , wherein the one or more manifolds comprise at least two felted manifolds.7. The dressing of claim 1 , wherein the one or more manifolds are perforated or have one or more partial cuts.8. (canceled)9. (canceled)10. (canceled)11. (canceled)12. The dressing of claim 1 , further comprising an additional layer interposed between the one or more manifolds and the polymer film claim 1 , wherein the additional layer comprises an adhesive or an anti-microbial agent or both.13. (canceled)14. The dressing of claim 1 , wherein the polymer film is laminated to the one or more manifolds.15. (canceled)16. (canceled)17. A method of making the dressing of claim 1 , comprising:felting at least one of the one or more manifolds to a desired degree of firmness;laminating the polymer film to the one or more manifolds.18. The method of further comprising placing two or more manifolds in a stacked configuration.19 ...

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.

Sub-atmospheric wound therapy systems and methods

Some embodiments of a multi-layered dressing system for sealed wound treatment include various components used for sealing, dressing, suctioning and irrigating that are coupled together as a single, composite unit.

Systems and methods for subcutaneous administration of reduced pressure employing reconfigurable lumens

Systems, method, and devices are disclosed that involve reconfiguring lumens or unblocking lumens relative to a blockage to maintain flow of reduced pressure to a subcutaneous tissue site. In one instance, a multi-lumen applicator includes an applicator body having a distal end and a proximal end and formed with a plurality of apertures for receiving fluid from the tissue site and for delivering reduced pressure, a first lumen fluidly coupled to the plurality of apertures, a first activation member having at least a closed position and a open position, and a second lumen fluidly coupled to the plurality of apertures but for the first activation member being in closed position. The configuration is such that when the first activation member is moved to the open position, the second lumen is fluidly coupled to the plurality of apertures. Other systems, methods, and devices are disclosed.

Adaptable Wound Drainage System

Provided are drainage systems that may include a drainage manifold and may be suitable for draining fluid from a tissue site. The drainage manifold may include a plurality of elongate members having a moveable end that may be adapted to configure the drainage manifold to treat a uniquely shaped tissue site. The drainage manifold may be coupled to a drainage tube with a transitional connector to provide a drainage system capable of distributing reduced pressure to the tissue site to enhance the drainage of fluids.

Soft-Tissue Treatment With Negative Pressure

An apparatus for promoting circulation through a subcutaneous lymph vascular network may comprise a first manifold layer, a second manifold layer coupled to the first manifold layer, and a cover layer coupled to the second manifold layer. The first manifold may have a first stiffness, and the second manifold may have a second stiffness greater than the first stiffness. In some embodiments, the apparatus may additionally have a fluid interface configured to fluidly couple at least one of the first manifold layer and the second manifold layer to a fluid conductor through the cover layer. The fluid conductor may be coupled to or configured to be coupled to a source of negative pressure.

Dressing using differential surface features for use in compartment spaces

A dressing for treating a tissue site, particularly an abdominal or peritoneal site, is disclosed. In some embodiments, the dressing may comprise a tissue interface formed from a first layer of a liquid-impermeable material and a plurality of manifolding bubbles formed as part of the first layer. In some embodiments, the tissue interface may further comprise a second layer of a permeable material, where the manifolding bubbles are formed as closed cells between the first layer and the second layer. The tissue interface may also include a third layer of liquid-impermeable material positioned adjacent to the second layer, where one or more fluid passageways may be formed between the second layer and third layer for delivering a therapeutic fluid to the tissue site.

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.

Negative pressure wound therapy removal device

Negative pressure wound therapy systems are described that can prevent the retainment of wound fill material in a wound cavity during dressing changes. The negative pressure wound therapy system includes a removal device that can be used to lift the wound fill material out of a wound cavity and prevent fracture of the wound fill material and retainment of fragments of the material in the wound. The removal device can include fibers (e.g., a fibrous net) that can be retained between the wall of the wound cavity and the wound fill material, with the wall of the wound and the wound fill material retaining direct contact with one another to encourage healing of the wound according to the therapy treatment process.

NEGATIVE PRESSURE WOUND THERAPY SYSTEM

A releasable connector for a negative pressure wound therapy system having a drape and a tube includes a base and a tube fitting. The base is configured to be coupled to the drape such that a substantially air-tight seal is formed between the base and the drape. The base includes a base locking member. The tube fitting is configured to be coupled to the tube such that a substantially air-tight seal is formed between the tube fitting and the tube. The tube fitting includes a tube locking member. The tube fitting is further configured to be selectively coupled to the base through an interaction between the tube locking member and the base locking member such that a substantially air-tight seal is formed between the tube fitting and the base.

Hydrophilic polyurethane nanofiber and method for manufacturing same

The present disclosure is to provide a method for producing polyurethane (PU) nanofibers with significantly improved hydrophilicity by producing water-soluble polymer/PU blend nanofiber by coaxial-electrospinning water-soluble polymer and hydrophobic PU, and, subsequently, dissolving and removing the water-soluble polymer from the blend nanofiber in water.

Wound dressing assembly

The invention relates to a wound dressing assembly, in particular for dressing wounds in the region of enteroatmospheric fistulas, comprising an in particular gas-tight covering device for covering the wound and/or a skin region surrounding the wound, which covering device inhibits the penetration of fluids, characterized by an opening in the covering device and a reinforcing device, which is associated with the opening and is connected to the covering device in a fluid-tight manner and counteracts deformation of the covering device in the region of the opening, wherein a vacuum can be produced in a space bounded by the covering device, by the skin or wound covered by the covering device, and by the reinforcing device.

Systems and methods for using negative pressure wound therapy to manage open abdominal wounds

Embodiments disclosed herein are directed to the treatment of wounds using negative pressure. Some embodiments disclosed herein provide for a foam pad, which may be suitable for use in abdominal wound sites, and which may be sized in a dimensionally-independent manner. Additional embodiments provide for a wound contact layer, as well as a system for the treatment of abdominal wounds.

A system for managing instillation therapy on multiple wounds with a single fluid source

A valve arrangement for administering an instillation and/or negative pressure therapy through at least a first wound dressing and a second wound dressing includes a valve arrangement including a first flow path, a first valve, a second flow path, and a second valve. The first flow path extends between a source port and a first wound dressing port structured for fluid communication with the first wound dressing. The first valve is positioned in the first flow path. The second flow path extends between the source port and a second wound dressing port structured for fluid communication with the second wound dressing. The second valve is positioned in the second flow path.

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.

SHOULDER DRESSING FOR NEGATIVE PRESSURE THERAPY

A negative pressure therapy dressing includes a drape layer, an adhesive border configured to provide a seal between the drape layer and skin, and a manifold layer coupled to the drape layer. The manifold layer includes a body portion extending in a first direction, a first wing positioned at a first side of the body portion, and a second wing positioned at a second side of the body portion opposite the first side. The first wing extends away from the first side and partially in the first direction such that a first gap is provided between a first tip of the first wing and the first side of the body portion. The second wing extends away from the second side and partially in the first direction such that a second gap is provided between a second tip of the second wing and the second side of the body portion. 1. A negative pressure therapy dressing , comprising:a drape layer;an adhesive border configured to provide a seal between the drape layer and skin when the dressing is applied to a patient; and{'claim-text': ['the manifold layer comprises a body portion extending in a first direction, a first wing positioned at a first side of the body portion, and a second wing positioned at a second side of the body portion opposite the first side;', 'the first wing extends away from the first side and partially in the first direction such that a first gap is provided between a first tip of the first wing and the first side of the body portion; and', 'the second wing extends away from the second side and partially in the first direction such that a second gap is provided between a second tip of the second wing and the second side of the body portion.'], '#text': 'a manifold layer coupled to the drape layer, wherein:'}2. The negative pressure therapy dressing of claim 1 , wherein the adhesive border extends across the gap.3. The negative pressure therapy dressing of claim 2 , wherein the adhesive border is perforated in the gap to facilitate tearing or cutting of the adhesive ...

Apparatuses, methods, and compositions for the treatment and prophylaxis of chronic wounds

According to an illustrative embodiment a method to promote healing of a wound is provided comprising contacting the wound with a biologically active composition comprising a lipoic acid derivative and gelatin. In another embodiment a topical composition is provided, which can be formulated as a homogenous mixture, such as a spray, mist, aerosol, lotion, cream, solution, oil, gel, ointment, paste, emulsion or suspension or applied on a carrier material, such as a bandage, gauze, foam, sponge, hydrogel, hydrocolloid, hydrofiber, occlusive dressing, adhesive composition or scaffold. Methods for producing such a topical composition and carrier material with the topical composition applied thereto are also disclosed.

Reduced-pressure, deep-tissue closure systems and methods

A reduced-pressure, deep-tissue closure device for applying a closing force on a deep tissue includes a contractible matrix that is formed with a first plurality of apertures and which has a first side and a second, inward-facing side. The contractible matrix is for disposing proximate to the deep tissue. A reduced-pressure source is fluidly coupled to the contractible matrix and operable to deliver reduced pressure to the contractible matrix. When under reduced pressure, the contractible matrix grips the deep tissue adjacent the contractible matrix and provides a closing force on the deep tissue. A system and method are also presented.

Method for vacuum therapy of wounds

Method for vacuum therapy of wounds using a cover material ( 1 ) that is impermeable to air, and a means for functional connection of the wound space ( 4 ) with a source of vacuum outside the cover material, and at least one activated absorbent/rinsing body ( 3 ) that contains at least one superabsorbent polymer.

System for providing fluid flow to nerve tissues

An apparatus and system for providing reduced pressure to a defect in a nerve is disclosed. The apparatus comprises a nerve conduit having a generally tubular shape that has walls including a luminal wall surrounding the tissue site to contain fluids within a luminal space between the tissue site to contain fluids within a luminal space between the tissue site and the luminal wall. The apparatus further comprises a manifold having a porous body and a connector for receiving reduced pressure, wherein the manifold is positioned within the luminal space adjacent the tissue site to distribute the reduced pressure to the defect. Additionally, a method for providing reduced pressure to a defect in a nerve is disclosed that includes implanting the nerve conduit and manifold at a site of damaged nerve tissue and applying a reduced pressure to the manifold thereby stimulating repair or regrowth of nerve tissue.

Removable and replaceable dressing interface for a negative-pressure therapy system

A dressing interface for connecting a negative-pressure source to a dressing may have a coupling member comprising an aperture, a first adhesive region having a first region peel strength, and a second adhesive region having a second region peel strength less than the first region peel strength. The dressing interface may further have a flange coupled to the coupling member, and a conduit housing coupled to the flange and extending through the aperture in the contact layer.

Wound drain

Provided herein is a wound drain useful in negative pressure wound treatment therapy. The wound drain advantageously includes structural components that prevent the drain from collapsing under negative pressure and from ingesting foreign materials introduced into a wound cavity, such as gauze and sponges, which con obstruct exudate flow through the drain. The wound drain may further comprise a dual lumen configuration such that it advantageously can be used in for positive pressure applications, or for combined negative and positive pressure treatments.

Tearable Dressing Structure

A dressing or wound filler comprising a laminate structure of materials. In one example embodiment, a dressing may include a first layer comprising a first film, a second layer adjacent to the first layer and comprising a foam, and a third layer comprising a second film. The first layer and the second layer may further include a plurality of perforations or fenestrations. The third layer may include a plurality of raised features. The perforations or fenestrations of the first and second layers may be positioned or aligned with the raised features of the third layer so as to facilitate tearing of the dressing for sizing and application purposes. In some embodiments, the first layer may comprise a polyurethane film, the second layer may comprise a polyurethane foam, and the third layer may comprise an additional polyurethane film. 1. A dressing material , comprising:a first layer comprising a first film of non-porous material having a plurality of openings;a second layer adjacent to the first layer, the second layer comprising a manifold having a plurality of slits; anda third layer adjacent to the second layer and comprising a second film of non-porous material having raised features;wherein at least some of the plurality of openings, some of the plurality of slits, and some of the raised features are aligned to define a tear line.2. The dressing material of claim 1 , wherein the first film comprises a polyurethane material.3. The dressing material of claim 1 , wherein the manifold comprises a polyurethane foam.4. The dressing material of claim 1 , wherein:the first film comprises a polyurethane material; andthe second film comprises a polyurethane material.5. The dressing material of claim 1 , wherein:the plurality of openings and the plurality of slits are configured as pairs of aligned openings and slits.6. (canceled)7. (canceled)8. The dressing material of claim 1 , wherein the first film is an adhesive-coated film.9. The dressing material of claim 1 , wherein: ...

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.

Appurtenances for reporting information regarding wound dressings

Appurtenances to wound dressings are described, which include: a substrate configured to mechanically or chemically attach to a wound dressing; a transmission unit attached to a surface of the substrate, the transmission unit including circuitry and at least one antenna, the transmission unit configured to transmit a signal; and a projection operably attached to the transmission unit, the projection of a size and shape to extend into an interior region of the wound dressing and configured to sample a fluid associated with a wound.

Smoke evacuator and evacuation system

A smoke evacuator and evacuation system for removing gaseous and/or particulate byproducts of surgical procedures and noxious vapors from chemicals is provided and includes an end effector or vacuum head positionable at a surgical site, the end effector including a plenum, a plenum support for preventing the plenum from collapsing, and an adaptor for coupling the end effector or vacuum head to a vacuum source.

Disposable reduced-pressure therapy system with electronic feedback

Systems, methods, and apparatuses for providing feedback for reduced-pressure therapy are described. A regulator can include a supply chamber fluidly coupled to a dressing, a control chamber fluidly coupled to the dressing, a charging chamber fluidly coupled to the supply chamber through a port, and a regulator valve operable to control fluid communication through the port based on a pressure differential between the control chamber and a target pressure. The feedback system can include a printed circuit board, a pressure sensor and a signal interface communicatively coupled to the printed circuit board. The pressure sensor can be fluidly coupled to the control chamber to determine the pressure in the control chamber. The signal interface can indicate a state of the reduced-pressure therapy. A potential source can be communicatively coupled to the printed circuit board, the pressure sensor, and the indicator.

Peel And Place Dressing For Negative-Pressure Therapy

A citric acid containing dressing for treating a tissue site with negative pressure may comprise a cover, a manifold, and a perforated polymer film and/or a sealing layer. The sealing layer can be a perforated silicone gel having a treatment aperture. The dressing can further contain an adhesive. The cover, the manifold, and the perforated polymer film and/or the sealing layer may be assembled in a stacked relationship with the cover and the sealing layer enclosing the manifold. Citric acid may be present on or incorporated in, for example, the perforated polymer film and/or the sealing layer.

Wound dressing apparatuses and methods thereof

A wound dressing apparatus includes a patient interface configured to attach to an area of skin on a patient and extend around a wound on the patient. An access port extends from the patient interface and includes an aperture in the patient interface configured to provide access to the wound. An attachment structure extends about and out from an outer boundary of the access port. An access cap is configured to be removably attached to the attachment structure to provide an occlusive seal over the wound when attached to the attachment structure. A method of treatment utilizing the wound dressing apparatus includes attaching the patient interface to the area of skin on the patient extending around the wound of the patient. The access cap is removed from the attachment structure to relieve pressure from the wound. A treatment device is attached to the attachment structure of the wound dressing apparatus.

Multi-function dressing structure for negative-pressure therapy

Systems, methods, and apparatuses for forming a multi-function core for a dressing are described. The multi-function core includes a contact layer configured to be positioned adjacent to a tissue site, a wicking layer adjacent to the contact layer, an ion exchange layer adjacent to the wicking layer, an absorbing layer adjacent to the ion exchange layer, a blocking layer adjacent to the absorbing layer, and an odor-absorbing layer adjacent to the blocking layer. The contact layer, the wicking layer, the ion exchange layer, the absorbing layer, the blocking layer, and the odor-absorbing layer are coextensive and formed from a plurality of fibers disposed in a fibrous web. Methods of manufacturing the multi-function core are also described.

Apparatuses, methods, and compositions for the treatment and prophylaxis of chronic wounds

According to an illustrative embodiment a method to promote healing of a wound is provided comprising contacting the wound with a biologically active composition comprising a lipoic acid derivative and gelatin. In another embodiment a topical composition is provided, which can be formulated as a homogenous mixture, such as a spray, mist, aerosol, lotion, cream, solution, oil, gel, ointment, paste, emulsion or suspension or applied on a carrier material, such as a bandage, gauze, foam, sponge, hydrogel, hydrocolloid, hydrofiber, occlusive dressing, adhesive composition or scaffold. Methods for producing such a topical composition and carrier material with the topical composition applied thereto are also disclosed.

Transparent Peel And Place Dressing For Negative-Pressure Therapy

A dressing for treating a tissue site with negative pressure may comprise a first polymer film having a plurality of fluid restrictions, and a second polymer film comprising a plurality of standoffs disposed adjacent to the first polymer film. The first polymer film and the second polymer film may be substantially transparent to allow observation of the tissue site. In some embodiments, at least some of the standoffs may be offset from the fluid restrictions. The second polymer film may comprise fluid passages adjacent to the standoffs in some examples.

System and method for treating surfaces of bodies, in particular for wound treatment

Furthermore, the invention relates to a method for treating surfaces of bodies by means of the system according to the invention, wherein a body with a surface to be treated is provided, the system for treating surfaces of bodies is provided, a negative pressure is generated in a space positioned on the surface of the body and the space is filled at least partly with plasma or plasma-activated medium.

Negative pressure wound therapy dressing and drainage apparatus and system

A negative pressure wound therapy dressing and drainage apparatus includes: ( 1 ) a semi-permeable cover sheet adapted to cover a patient's wound; ( 2 ) a porous dressing adapted to be positioned between the semi-permeable cover sheet and the patient's wound; and ( 3 ) a drainage connection configured to be attached to the semi-permeable cover sheet including (a) a novel suction port in fluid communication with the porous dressing positioned within the interior of the semi-permeable cover sheet when attached to the semi-permeable cover sheet, and (b) tubing coupled to the suction port at one end and adapted to be connected to a suction source at an opposing end. The novel suction port includes a suction port inlet adapted to be secured to the semi-permeable cover sheet, a suction port outlet secured to the tubing and oriented generally perpendicular to the suction port inlet and a conduit extending between the suction port inlet and suction port outlet, where the inner surface of the conduit has smooth transition from the suction port inlet to the suction port outlet.

Reduced pressure wound therapy kit and packaging

Disclosed herein are several embodiments of medical device packaging, and more particularly to a reduced pressure therapy kit and packaging and methods of using the same in the treatment of wounds. Some embodiments are directed towards packaging including a dressing compartment for storing wound dressings and having use instructions printed thereon, the dressing compartment detachably connected to a pump compartment for storing a sterile pump. After removal of the pump, the pump compartment can be detached from the dressing compartment and discarded. The dressing compartment can be retained together with any additional dressings and the use instructions.

Hand Dressing For Use With Negative Pressure Wound Therapy, Negative Pressure Wound Therapy System Comprising The Same, Method For Controlling A Pump Coupled To Said Dressing

A dressing includes a first manifold layer, a second manifold layer, a first barrier layer coupled to the first manifold layer, a second barrier layer coupled to the second manifold layer, a first fenestrated film layer coupled to the first manifold layer, and a second fenestrated film layer coupled to the second manifold layer. The first manifold layer and the second manifold layer are positioned between the first barrier layer and the second barrier layer. The first fenestrated film layer and the second fenestrated film layer are positioned between the first manifold layer and the second manifold layer. 1. A dressing , comprising:a first manifold layer;a second manifold layer;a first barrier layer coupled to the first manifold layer; anda second barrier layer coupled to the second manifold layer;a first fenestrated film layer coupled to the first manifold layer; anda second fenestrated film layer coupled to the second manifold layer;wherein the first manifold layer and the second manifold layer are positioned between the first barrier layer and the second barrier layer;wherein the first fenestrated film layer and the second fenestrated film layer are positioned between the first manifold layer and the second manifold layer.2. The dressing of claim 1 , comprising: wherein the first manifold layer claim 1 , the second manifold layer claim 1 , the first barrier layer claim 1 , and the second barrier layer are hand-shapedwherein the first barrier layer is coupled to the second barrier layer along a hand portion of a perimeter of the dressing and separated from second barrier layer along a wrist portion of the perimeter of the dressing.3. (canceled)4. The dressing of claim 2 , wherein the dressing is configured to receive a hand of a patient between the first fenestrated film layer and the second fenestrated film layer.5. The dressing of claim 4 , wherein the dressing comprises an adhesive cuff positioned at the wrist portion of the perimeter of the dressing claim 4 , ...

Fluid collection device

A fluid collection device for withdrawing a fluid from an object includes a chamber having a plurality of apertures and an opening for flow of the fluid. A tube is positioned in fluid communication with the opening of the chamber for withdrawing fluid out of the chamber. At least one of the apertures is positioned within a recess for substantially preventing clogging of the apertures during collection and removal of the fluid. The plurality of apertures may be interconnected by grooves for directing the flow and preventing clogging, of the apertures. The tube has a plurality of holes that are positioned within the chamber and held in place with a retaining ring. The apertures may be positioned so that spaces are provided between the apertures for placement of the tube or other devices. Exposed edges of the chamber and recesses are radiused for reducing irritation to a person.

Reduced-pressure dressings employing tissue-fixation elements

A reduced-pressure system for treating a tissue site on a patient includes a distribution manifold that adheres to a tissue site to allow retention without external support. The distribution manifold includes a porous member and a tissue-fixation element. The tissue-fixation element maintains the porous member substantially adjacent to the tissue site while a sealing member is applied. In one instance, the tissue-fixation element is a soluble adhesive that partially covers either the tissue-facing side of the porous member or a tissue-facing side of a fluid-permeable substrate layer that is on the tissue-facing side of the porous member. Other systems, distributions manifolds, and methods are presented.

Tissue derived porous matrices and methods for making and using same

Tissue derived porous matrices for treating wounds are provided, as well as methods for making and using them. The tissue derived porous matrices comprise processed tissue of any of several types, such as dermis, adipose, etc., and have a plurality of interconnected pores which allow fluid flow through the matrices. The tissue derived matrices are biocompatible resorbable matrices which remodel with native tissue and facilitate and enhance cell infiltration and tissue ingrowth into the matrices during the wound healing process, thereby enhancing wound healing and tissue remodeling when implanted into a patient. The tissue derived matrices are useful with reduced or negative pressure wound healing methods and systems, without the need to repeatedly revisit the treatment site and remove previously implanted matrices.

Dressing with fluid acquisition and distribution characteristics

Systems, methods, and apparatuses for treating a tissue site are described. In some embodiments, the system may include a pouch having an upstream layer, a downstream layer, and an absorbent member enclosed between the upstream layer and the downstream layer. The upstream layer and the downstream layer may each include a hydrophobic side and a hydrophilic side. The hydrophilic side of both the upstream layer and the downstream layer may be positioned facing the absorbent member. The hydrophobic side of both the upstream layer and the downstream layer may form a portion of an exterior surface of the pouch such that fluid incident on the pouch is distributed laterally along the exterior surface of the pouch before being absorbed by the absorbent member.

Dual Therapy Device and Related Method

A dual therapy device for delivering reduced pressure therapy and regenerative therapy to a degenerated vertebral disc and a method of using the same is disclosed herein. The dual therapy device is preferably comprised of a cannulated trocar for accessing a disc space, a probe that coils within said disc space and a cannulated and fenestrated catheter that also coils within the disc space, adjacent to the probe. The catheter is useful for applying reduced or negative pressure therapy to the entire or substantially entire disc space and, upon completion of said therapy, delivering regenerative therapy to the disc space in the form of a biological material. Nonetheless, it is also contemplated that the catheter may be eliminated, and the dual therapies delivered via a cannulated and fenestrated probe.

Abdominal wound dressing

An abdominal wound dressing and methods of use are described that enable the application of negative pressure to the wound site in a healing manner while also limiting the formation of adhesions that would prevent the removal of the dressing. The dressing comprises a layer of porous foam material enclosed by sheets of elastomeric material punctuated by a number of appropriately placed holes. Multiple layers of porous foam may also be used. A suction tube connector is provided on an upper surface of a layer of foam for connection to a negative pressure source. At least one layer of foam is enclosed in elastomeric material and is placed in direct contact with the tissue within the open wound. Fluids are drawn by negative pressure through the holes positioned in the elastomeric envelope and through the foam.

Dressing Interface With Micro-Needles For Negative-Pressure Treatment

A dressing interface includes a base that has an aperture and a plurality of microneedles that are attached to the base and disposed over the aperture. The interface also includes a port that is configured to receive a fluid conductor and a conduit that couples the port and the aperture. Each of the microneedles contains a passageway that is fluidly coupled to the aperture. The interface may be used with a drape that is placed over a tissue site. The interface may provide communication between the tissue site and a reduced-pressure source through the microneedles piercing the drape rather than by cutting a hole in the drape.

WOUND DRESSING WITH MULTIPLE TREATMENT ZONES

A customizable wound treatment system for treating multiple zones of a wound includes a dressing configured for use with a first zone and a second zone of a wound that includes a first foam layer placed over the first zone, a second foam layer placed over the second zone, a first drape layer disposed over the first foam layer and beneath the second foam layer, and a second drape layer disposed over the second foam layer. The customizable wound treatment system includes a negative pressure source pneumatically coupled to the first foam layer and the second foam layer and operable to create a negative pressure at the first zone and the second zone and a fluid instillation pump fluidly coupled to the first foam layer and configured to instill a treatment fluid to the first zone. 1. A customizable wound treatment system for treating multiple zones of a wound , comprising: a first foam layer configured for placement over the first zone;', 'a second foam layer configured for placement over the second zone;', 'a first drape layer disposed over the first foam layer and at least partially beneath the second foam layer;', 'a second drape layer disposed over the second foam layer;, 'a dressing configured for use with at least a first zone and a second zone of the wound, the dressing comprisinga negative pressure source pneumatically coupled to the first foam layer and the second foam layer and operable to create a negative pressure at the first zone and the second zone; anda fluid instillation pump fluidly coupled to the first foam layer and configured to instill a treatment fluid to the first zone.2. The customizable wound treatment system of claim 1 , wherein the first zone comprises a wound bed of the wound and the second zone comprises a periwound of the wound.3. The customizable wound treatment system of claim 1 , wherein the first drape layer and the second drape layer pneumatically and fluidly isolate the first foam layer and the second foam layer from each other.4. The ...

Optimizing power transfer to negative pressure sources in negative pressure therapy systems

Embodiments of negative pressure wound therapy systems and methods are disclosed. In one embodiment, an apparatus includes a driving circuit that supplies a driving signal to a negative pressure source to cause the negative pressure source to provide negative pressure via a fluid flow path to a wound dressing. The apparatus furthers include a controller that adjusts a frequency of the driving signal supplied by the driving circuit according to a comparison of a previous magnitude and a subsequent magnitude of the driving signal while the negative pressure source provides negative pressure. The transfer of power to the negative pressure source can thereby be tuned to maximize an amount of power transferred to the negative pressure source.

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 electronics unit can include translucent or transparent components that allow light to travel through to reach adhesives or coatings on the electronic components that would otherwise be obscured.

Negative pressure wound dressing

A negative pressure wound dressing is provided. The negative pressure wound dressing sequentially includes a backing layer, a water blocking layer, an absorbent layer and a wound contacting layer. Wherein, the backing layer includes a connecting aperture for fluidly communicating to a negative pressure source. The wound contacting layer includes a surface layer for wound contacting and a plurality of chambers containing a medication, wherein openings of the chambers are disposed on the surface layer for releasing the medication contained in the chamber. The medication can be prevented from being suctioned to the absorbent layer and can be released toward the wound to enhance the wound healing by using the negative pressure wound dressing.

Superabsorbent Dressing With Felted Foam Layers

A dressing includes a first felted foam layer, a superabsorbent material printed on the first felted foam layer, and a second felted foam layer coupled to the first felted foam layer. The superabsorbent material is confined between the first felted foam layer and the second felted foam layer.

Dressing With Epithelialization And Scar Reduction Feature

Provided are systems, dressings, and methods suitable for treating a tissue site, such as an incision or linear wound, for example. The systems, dressings, and methods relate to a dressing assembly that may include a dressing bolster, a comfort layer, and a polymeric enhancement layer. The dressing bolster may include foam and may have a first side and a second side. A first side of the comfort layer may be coupled to the second side of the dressing bolster, and a first side of the polymeric enhancement layer may be coupled to the second side of the comfort layer. An opposing second side of the polymeric enhancement layer may be configured to directly contact the tissue site. Other systems, dressings, apparatuses, and methods are disclosed. 1. A system for treating a tissue site , comprising: a dressing bolster having a first side and an opposing second side,', 'a comfort layer having a first side and an opposing second side, the first side of the comfort layer positioned on the second side of the dressing bolster,', 'a sealing member covering the first side of the dressing bolster, and', 'a polymeric layer comprising silicone and having a first side and an opposing second side, wherein the first side of the polymeric layer is coupled to the second side of the comfort layer, wherein the second side of the polymeric layer is configured to directly contact the tissue site, and wherein polymeric layer comprises a plurality of apertures disposed through the polymeric layer between the first side and the second side of the polymeric layer; and, 'a dressing assembly, comprisingwherein the dressing assembly is configured to be coupled to a reduced-pressure source.2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. (canceled)8. (canceled)9. The system of claim 1 , wherein the second side of the comfort layer has a first area and the second side of the polymeric layer has a second area claim 1 , and wherein the first area is larger than the second area.10. ...

Connector with Valve for Negative Pressure Wound Therapy System

A negative pressure wound therapy device that includes a first tubing connectable in flow communication with a source of negative pressure configured for application of negative pressure to a wound site, a second tubing in flow communication with the wound site, and a valve.

Dressing Interface With Integrated Fluid Conduit

An apparatus for connecting a therapy device to a tissue site and a system and method for using the same is described. The apparatus includes a housing having a flange and a conduit interface. A sheath is coupled to the conduit interface. A conduit is inserted through the sheath and the conduit interface. The sheath forms a fluid seal around the conduit, and a fluid conductor is coupled to the conduit.

Blockage and leak detection in multiple dressing reduced pressure wound therapy systems

Embodiments of apparatuses and methods for providing negative pressure wound therapy to multiple wounds are disclosed. In some embodiments, presence of blockage in one or more fluid flow paths connecting a negative pressure source to one or more dressings can be performed. Determination of a blockage can be performed based on comparing one or more pressure measurements to at least one threshold. The at least one threshold can be determined based on detected capacities of the one or more dressings.

SYSTEMS AND METHODS FOR DETERMINING AND TRACKING RANGE OF MOTION OF A JOINTED LIMB

A method for calculating range of motion of a patient's jointed limb includes providing one or more locators at an upper limb of the jointed limb, and one or more of the locators at a lower limb of the jointed limb. A first image of the patient's joint in a fully extended position a second image of the patient's joint in a fully flexed position are captured with an imaging device. The method includes identifying positions of the locators of both the first image and the second image, and determining an extended angle of the patient's joint based on the identified positions of the locators of the first image. The method includes determining a flexed angle of the patient's joint based on the identified positions of the locators of the second image. The method includes determining a range of motion angle based on the extended angle and the flexed angle. 1. A system for calculating range of motion of a patient's jointed limb , the system comprising:a drape adhered to a patient's skin of the jointed limb, wherein the drape comprises a plurality of locators, wherein one or more of the locators are positioned at an upper limb of the jointed limb, and one or more of the locators are positioned at a lower limb of the jointed limb; ["record a first image of the patient's joint in a fully extended position with the imaging device;", "record a second image of the patient's joint in a fully flexed position with the imaging device;", 'identify positions of the locators of both the first image and the second image;', "determine an extended angle of the patient's joint based on the identified positions of the locators of the first image;", "determine a flexed angle of the patient's joint based on the identified positions of the locators of the second image; and", 'determine a range of motion angle based on the extended angle and the flexed angle., 'a personal computer device comprising an imaging device, wherein the personal computer device is configured to2. The system of claim 1 , ...

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.

Low profile filter devices suitable for use in negative pressure wound therapy systems

A filter adaptor includes a body that defines an internal passageway disposed between an inlet and an outlet, the passageway configured to permit passage of a fluid in a first direction defined by the inlet and the outlet; and a filter disposed within the passageway and oriented to define a volumetric direction that is different than the first direction. Another filter adaptor includes a body that defines an internal passageway disposed between an inlet and an outlet, and a filter disposed within the passageway, wherein the filter comprises a gelling absorbent material that, when in a dry state, is permeable to gas and that, when contacted by an aqueous fluid, converts to a gel. Such filter adaptors may be used for negative pressure wound therapy, dressing, or as syringe filters.

Surgical Drape With Selectively Detachable Barrier

The present technology is directed to a surgical drape which decreases the likelihood of infection by protecting the surgical site both during and after the operation. Further, the present technology can be used in conjunction with a fluid-collection system for surgical procedures which result in a large volume of fluid to be collected from the surgical site.

Sleeves, Manifolds, Systems, And Methods For Applying Reduced Pressure To A Subcutaneous Tissue Site

The illustrative embodiments described herein are directed to apparatuses, systems, and methods for applying reduced pressure to subcutaneous tissue site. In one illustrative embodiment, the apparatus includes a sleeve adapted for placement at a subcutaneous tissue site. The sleeve is further adapted to receive a manifold. The sleeve may also have an opening operable to transfer reduced pressure from the manifold to the subcutaneous tissue site. In one embodiment, the apparatus may also include a manifold that is insertable into the sleeve. The manifold may include at least one aperture, and may be operable to deliver reduced pressure to the subcutaneous tissue site via at least one aperture.

Control of wound closure and fluid removal management in wound therapy

Embodiments of negative pressure wound therapy systems and methods for operating the systems are disclosed. In one embodiment, a negative pressure source can provide negative pressure via a fluid flow path to a wound dressing comprising a stabilizing structure. The stabilizing structure can 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 controller can in turn determine a measure of collapse of the stabilizing structure from a 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. The controller can output an indication responsive to the measure of collapse.

System and method for multiple direction flexible inline canister

A system and apparatus for treating a tissue site with reduced pressure and collecting fluids from the tissue site is disclosed. The system may include a reduced-pressure source, a pouch in fluid communication with the reduced pressure source, and a dressing in fluid communication with the pouch. The pouch may include a first wall, a second wall having a periphery coupled to the first wall to form an interior, and a third wall extending through the interior to form a first chamber in fluid communication with the dressing and a second chamber in fluid communication with the reduced pressure source. A plurality of filters are positioned in the third wall. The filters permit fluid communication between the first chamber and the second chamber.

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.

System and method utilizing vacuum for promoting the healing of sprains

A system and apparatus for promoting perfusion at a tissue site containing a sprain by applying a vacuum to intact skin extending over or surrounding the tissue site. The system and apparatus comprise a manifold formed from a porous material and configured to be disposed proximate the intact skin for distributing vacuum to the intact skin, and a sleeve adapted to cover the manifold and form a chamber containing the manifold to seal the manifold within the chamber between the sleeve and the intact skin. The system and apparatus further comprise a fluid coupling member adapted to deliver vacuum to the manifold for distribution to the intact skin. A method for applying vacuum to the intact skin of a tissue site is also disclosed and described herein.

Absorbent dressing and method

A system that may be adapted to distribute reduced pressure to a tissue site may include a dressing and a sealing member. The dressing may include a manifold layer, a storage layer, and a plurality of retainers. The manifold layer may be adapted to be positioned proximate the tissue site, and the storage layer may be positioned proximate the manifold layer. The plurality of retainers may be disposed in the storage layer. Each of the retainers may define a fluid communication channel through the storage layer. The retainers may be adapted to substantially preclude deformation of the storage layer into the fluid communication channels. The sealing member may be adapted to cover the dressing and to provide a fluid seal between the sealing member and the tissue site.