УСТРОЙСТВО С МНОГОПОЛОСТНЫМ СОЕДИНИТЕЛЕМ, ПРЕДНАЗНАЧЕННОЕ ДЛЯ ОТСАСЫВАНИЯ ИЗ РАНЫ

Изобретение относится к медицине и предназначено для воздействия на место нахождения раны отрицательным давлением. Устройство включает пористую подушку для наложения на рану, всасывающую трубку, связывающую пористую подушку с источником отрицательного давления, контейнер для сбора жидкого экссудата из раны, устанавливаемый между пористой подушкой и источником отрицательного давления, и быстро разъединяемый соединитель, связывающий первый участок всасывающей трубки, идущий к пористой подушке, со вторым участком, идущим к контейнеру, при этом упомянутый соединитель содержит две отделяемые, но не взаимозаменяемые части, при этом первый участок всасывающей трубки содержит многополостную трубку, причем одна полость предназначена для воздействия всасывания на пористую подушку, а другая предназначена для контроля давления, причем упомянутую многополостную трубку жестко крепят одним концом к контейнеру, а другим концом к одной из упомянутых отделяемых частей, при этом упомянутая одна отделяемая ...

СИСТЕМА И СПОСОБ СЛЕЖЕНИЯ ЗА ПРОЦЕССОМ ЗАЖИВАНИЯ ТКАНИ

Группа изобретений относится к медицине и медицинской технике, а именно к системам и способам для определения типа ткани раны по изображению участка ткани раны. Система включает устройство получения изображения; маркер эталонного цвета, имеющий заранее заданный цвет; устройство обработки данных, имеющее связь с устройством получения изображения. Устройство обработки данных сконфигурировано так, что обеспечивается прием данных изображения от устройства получения изображения, регулировка одного параметра изображения на базе части изображения маркера эталонного цвета для нормализации цвета изображения; сравнение цветов нормализованного изображения участка ткани раны с диапазоном цветов и идентификация ткани раны, находящейся на одинаковой стадии заживания, на участке ткани раны на основании сравнения цветов. При этом данные изображения включают изображение участка ткани раны и маркера эталонного цвета. При помощи этой системы получают изображение участка ткани раны и маркера, регулируют параметр ...

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

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 аспирационный насос для создания аспирационного потока в аспирационной магистрали. Контур имеет аспирационную выпускную магистраль, функционально соединенную с аспирационным насосом на одном конце и с емкостью для отходов на противоположном конце. Контур содержит аспирационную вентиляционную магистраль, соединенную на первом конце с аспирационной магистралью между аспирационным насосом и хирургическим инструментом. Контур включает селективно регулируемый выпускной клапан, функционально соединенный с аспирационной вентиляционной магистралью. Селективно регулируемый выпускной клапан выполнен с возможностью селективного перемещения для селективного изменения аспирационного давления в аспирационной магистрали. Контур имеет ирригационную ...

Насосное устройство, выполненное с возможностью использования с двойным молокоотсосом

Группа изобретений относится к медицинской технике. Насосное устройство выполнено с возможностью использования с двойным молокоотсосом, содержащим два набора для сцеживания, каждый из которых выполнен с возможностью воздействия на грудь пользователя устройства с профилем давления и с возможностью приема молока, сцеженного из груди. Насосное устройство содержит: насос, выполненный с возможностью создания профиля давления в указанных наборах для сцеживания, и первый воздушный канал и второй воздушный канал. Каждый воздушный канал выполнен с возможностью обеспечения воздушного соединения набора для сцеживания с насосным устройством. Первый воздушный канал выполнен с возможностью соединения со стороной всасывания насоса и отсоединения от нее с помощью первого механизма переключения всасывания. Первый воздушный канал выполнен с возможностью соединения со стороной выпуска насоса и отсоединения от нее с помощью первого механизма переключения выпуска. Второй воздушный канал выполнен с возможностью ...

УСТРОЙСТВО ДЛЯ ПЛЕВРАЛЬНОГО ДРЕНИРОВАНИЯ

Полезная модель относится к области медицины, а именно к устройствам лечения раненых и больных с пневмотораксом различного происхождения, используется для удаления воздуха и крови из плевральной полости при травмах груди. Устройство содержит трубку для присоединения к игле для дренирования плевральной полости, узел соединения иглы и трубки, электрический прибор с установленным в нем датчиком давления, который измеряет давление в плевральной полости больного через измерение давления в трубке, через которую откачивается содержимое плевральной полости, приводом (насос либо компрессор), который на основании показаний датчика давления создает необходимый перепад давления в тракте трубка-плевральная полость для обеспечения откачки плевральной полости и расправления легкого больного, платой управления, элементами питания органами управления и индикации. Эвакуация продуктов откачки (кровь, воздух и пр.) из плевральной полости осуществляется через трубку, установленную на выходе из прибора в сборный ...

СИСТЕМА И СПОСОБ УПРАВЛЕНИЯ ПОНИЖЕННЫМ ДАВЛЕНИЕМ НА УЧАСТКЕ ТКАНИ

... 1. Устройство для управления пониженным давлением на участке ткани, содержащее: !источник пониженного давления, создающий пониженное давление, которое подается к участку ткани через трубку подачи, ! один датчик давления, определяющий фактическое пониженное давление на участке ткани, ! контроллер, определяющий чувствительность фактического пониженного давления, измеренного указанным датчиком давления, к увеличению пониженного давления, создаваемого источником пониженного давления, и ! индикатор, выдающий сигнал, когда контроллер определяет, что фактическое пониженное давление, измеренное указанным одним датчиком давления, нечувствительно к увеличению пониженного давления, создаваемого источником пониженного давления. ! 2. Устройство по п.1, в котором источник пониженного давления создает уменьшенное пониженное давление, когда фактическое пониженное давление на участке ткани, определенное указанным одним датчиком давления, превышает расчетное пониженное давление. ! 3. Устройство по п.1, дополнительно ...

СИСТЕМА И СПОСОБ СЛЕЖЕНИЯ ЗА ПРОЦЕССОМ ЗАЖИВАНИЯ ТКАНИ

... 1. Система для анализа заживания ткани, включающая: ! устройство захвата изображения; ! маркер эталонного цвета, имеющий заранее заданный цвет; ! устройство обработки данных, имеющее связь с указанным устройством захвата изображения и сконфигурированное так, чтобы обеспечивать: ! прием данных изображения от указанного устройства захвата изображения, причем данные изображения включают изображение участка ткани и указанного маркера эталонного цвета; ! регулировку по меньшей мере одного параметра изображения на базе по меньшей мере части изображения указанного маркера эталонного цвета для нормализации цвета изображения и ! предоставление клиницисту нормализованного изображения. ! 2. Система по п.1, в которой указанное устройство обработки данных при регулировке по меньшей мере одного параметра изображения изменяет цвет по меньшей мере части изображения указанного элемента эталонного цвета так, чтобы обеспечить, по существу, полное соответствие заданному цвету, причем указанное устройство обработки ...

УСТРОЙСТВО, СИСТЕМА И СПОСОБ РЕГУЛИРОВАНИЯ ВАКУУМА В НАКОНЕЧНИКЕ ВО ВРЕМЯ АСПИРАЦИИ

Группа изобретений относится к медицине. Устройство для введения в глазное яблоко пациента для аспирации материала из глазного яблока при лечении офтальмологического заболевания содержит: иглу, расположенную на дистальном конце устройства, при этом игла содержит дистальное отверстие; аспирационный канал, проходящий от дистального отверстия иглы к проксимальному концу устройства, причем аспирационный канал содержит проксимальную часть, имеющую первый диаметр, обходной участок, имеющий второй диаметр, и дистальную часть, имеющую третий диаметр, при этом второй диаметр является большим, чем третий диаметр; ирригационный канал, коаксиально расположенный вокруг по меньшей мере части обходного участка и дистальной части аспирационного канала; и обходной канал, образованный в стенке между обходным участком аспирационного канала и ирригационным каналом, для обеспечения прямого сообщения с возможностью переноса текучей среды между ирригационным каналом и аспирационным каналом. Способ управления ...

МОЛОКООТСОС

Изобретение относится к медицинской технике. Гаситель пульсаций давления для системы экстракции текучих сред, содержащий: стенку, заключающую основной объем, по меньшей мере два впускных отверстия, расположенных в стенке и выполненных с возможностью соединения с блоками экстракции текучих сред, по меньшей мере два выпускных отверстия, расположенных в стенке и выполненных с возможностью соединения с насосными блоками, и по меньшей мере один гибкий элемент, расположенный в основном объеме для того, чтобы разделять основной объем на по меньшей мере два вторичных объема, при этом каждый вторичный объем образует канал между по меньшей мере одним впускным отверстием и по меньшей мере одним выпускным отверстием, причем гибкий элемент выполнен с возможностью изгиба к вторичному объему, находящемуся под меньшим давлением, и удерживающий элемент для ограничения изгиба гибкого элемента, причем каждый из вторичных объемов образован стенками гибкой трубки, расположенной вблизи в пределах внешней негибкой ...

СИСТЕМА И СПОСОБ СБОРА ЭКСУДАТОВ

... 1. Система лечения пониженным давлением, содержащая: !магистраль, расположенную на участке ткани, ! контейнер, имеющий собирающую камеру, входное отверстие и выходное отверстие, причем входное отверстие проточно сообщается с пористой прокладкой, ! источник пониженного давления, проточно сообщающийся с выходным отверстием контейнера и предназначенный для подачи пониженного давления в собирающую камеру и к участку ткани с обеспечением возможности втягивания текучей среды от участка ткани в собирающую камеру, ! сепаратор жидкость/воздух, связанный с выходным отверстием и предназначенный для предотвращения выхода жидкости из собирающей камеры через выходное отверстие, ! отражательный элемент, расположенный внутри контейнера и предназначенный для отклонения жидкости, входящей в собирающий контейнер, для предотвращения преждевременной блокировки сепаратора жидкость/воздух. ! 2. Система по п.1, в которой отражательный элемент создает извилистый путь между входным отверстием и выходным отверстием ...

УСТРОЙСТВО РЕГУЛИРОВАНИЯ ДАВЛЕНИЯ

МОЛОКООТСОС

СЕЛЕКТИВНО ПЕРЕМЕЩАЕМЫЕ КЛАПАНЫ ДЛЯ КОНТУРОВ АСПИРАЦИИ И ИРРИГАЦИИ

СИСТЕМА ДЛЯ СТИМУЛИРОВАНИЯ ЗАЖИВЛЕНИЯ ТКАНИ (ВАРИАНТЫ)

... 1. Система для стимулирования заживления ткани, содержащая пористую мягкую прокладку, воздухонепроницаемый перевязочный материал, средство для соединения дистального конца трубопровода через перевязочный материал, коробку, соединенную с возможностью съема с проксимальным концом трубопровода, электронасос для создания отрицательного давления в раневой полости, первый фильтр, расположенный между указанной коробкой и указанным средством для создания отрицательного давления, второй фильтр, расположенный между указанным первым фильтром и указанным средством для создания отрицательного давления, и средство для управления источником электропитания для приведения в действие указанного электронасоса. 2. Система по п.1, в которой указанный первый фильтр и указанный второй фильтр установлены в отверстии указанной коробки. 3. Система по п.1 или 2, дополнительно содержащая средство для взятия проб раневых текучих сред. 4. Система по п.1, дополнительно содержащая средство для крепления указанной системы ...

Vorrichtung zur Wundbehandlung und Wundabdeckpflaster

Steuerungsvorrichtung für ein ophthalmochirurgisches System

Die Erfindung betrifft eine Steuerungsvorrichtung (101) für ein ophthalmochirurgisches System (100), aufweisend: eine Messvorrichtung (5), mit welcher sich das Volumen einer Augenvorderkammer (4) eines während einer Phakoemulsifikation zu behandelnden Auges (1) zu einem ersten Zeitpunkt und zu einem zweiten Zeitpunkt ermitteln lässt, eine Steuereinheit (6), welche in Abhängigkeit von dem ermittelten Volumen zum ersten Zeitpunkt und zum zweiten Zeitpunkt eine Steuergröße (7) berechnet, mit der sich ein Druck oder ein Volumenstrom in einer Irrigationsleitung (9) und/oder einer Aspirationsleitung (14) des ophthalmochirurgischen Systems (100) steuern lässt.

Chirurgisches System mit Flüssigkeitsrücklauf

Zwischenplatte und Verfahren zur Herstellung einer Zwischenplatte

Um eine Zwischenplatte zur Montage zwischen zwei an dieser anlegbaren Kanalseiten von Gehäuseteilen einer Steuerung für druckmittelbetriebene Verbraucher, wobei mindestens eines der Gehäuseteile mindestens ein das Druckmittel steuerndes Ventil und/oder mindestens einen das Druckmittel steuernden Schieber aufweist, wobei das Druckmittel mehrere Durchlässe der Zwischenplatte und mindestens einen Durchlass der Zwischenplatte mit einer definierten Drosselöffnung durchströmt und wobei die Zwischenplatte mindestens eine Trägerplatte aufweist, welche auf einander gegenüberliegenden Flachseiten jeweils mit einem Dichtelement versehen ist, derart zu verbessern, dass die Drosselöffnung möglichst optimal wirksam und optimal angeordnet ist, wird vorgeschlagen, dass die Drosselöffnung in einem durch Materialverdrängung erzeugten und eine Vertiefung in der Trägerplatte abschließenden Boden angeordnet ist, der eine Dicke aufweist, welche geringer ist, als die Hälfte der Dicke der Trägerplatte im Bereich ...

GESCHLOSSENE SAUGANORDNUNG FUER WUNDEN

Pump assembly suitable for use in aspirators

A pump assembly 12 for use as part of a pumped aspirator 10, the pump assembly 12 comprising a vacuum pump 38 and a chamber 30, the chamber 30 comprising an inlet 26 connectable to an aspirator tube 14 and an outlet 34 connectable to the pump 38. The chamber 30 further comprises a hollow interior volume containing a porous or perforated element 32 separating the inlet 26 from the outlet 34; the porous or perforated element 32, when dry, permitting the passage of gas from the inlet 26 to the outlet 34, but when wetted by a liquid, inhibiting the passage of fluids from the inlet 26 to the outlet 34. The pump 38 is further preferably driven by a motor 40 connected to a power supply 44 via a switch gear of a control circuit 42, and wherein the switch gear is adapted to switch off the motor 38 when the air pressure downstream of the outlet 34 drops below a threshold value; indicative of the porous or perforated element 32 inhibiting the passage of fluids from the inlet 25 to the outlet 34.

Portable medical device system

Portable medical device system

Fluid collector

SURGICAL PLEURAL DRAINAGE APPARATUS

Improvements relating to apparatus negative pressure wound therapy

Communication control device, toll collection system, communication control,method and program

Device for collecting urine samples for dependent patients

DEVICE FOR TREATING TISSUES FOR EXAMPLE SKIN

Systems and methods for monitoring essential performance of wound therapy

MEDICAL INSTRUMENT

FLUID AND BIO AEROSOL HANDLING

COLLECTOR FOR USE WITH A RIVER MEASURER CONTROL SYSTEM

THERAPY DEVICE FOR WOUNDS

SYSTEM TO PHAKOEMULSIFIKATION WITH VACCUM PUMPS

DEVICE TO WUNDBEHANDLUNG

COLLECTOR FOR USE WITH A RIVER MEASURER CONTROL SYSTEM

DEVICE FOR SUCKING OFF, RINSES AND CLEANING WOUNDS

REFLUX CONTROL IN A MICRO-SURGICAL SYSTEM

Apparatus for wound only supply

Vorrichtung zur Wunderstversorgung bestehend aus zwei an einer Seite offenen Kammern, insbesondere zum Stillen schwerer Blutungen und das Behandeln eines Spannungspneumothorax nach Brustkorbverletzungen. Eine Kammer (4) die über eine blutende Wunde (9) gedrückt wird und vollständig umschließt, diese ist wiederum von einer Vakuumkammer (3) umringt der über ein Ventil (6) mit Hilfe einer Vakuumpumpe Luft entzogen werden kann. Das Vakuum in Vakuumkammer (3) saugt die Vorrichtung an der Haut (8) fest und lässt kein Blutentweichen aus der Kammer (4) zu. Das Ventil (12) an Kammer (4) kann geöffnet werden um einen Spannungspneumothorax zu behandeln, auch an Ventil (12) kann eine Vakuumpumpe, zum Absaugen von Luft oder Blut, angeschlossen werden. Dichtlippen (10) und (5) verbessern das Abdichten. An Vakuumkammer (3) kann ein Vakuummeter (7) angebracht sein.

EXAMINATION OF A PRESSURE SENSOR IN AN OPERATION CARTRIDGE

SYSTEM TO WUNDDRAINAGE WITH PROTECTION AGAINST PAYING.

DEVICE FOR SUCKING OFF WUNDFLUESSIGKEITEN.

NEGATIVE PRESSURE COLLECTOR.

ELECTRONIC DEVICE TO THE DRAINAGE.

ELECTRONIC PROCEDURE FOR DRAINAGE.

DEVICE FOR SUCKING OFF SECRETION LIQUID FROM A WOUND.

PRESSURE TRANSDUCER - INTERFACE

NEGATIVE PRESSURE REGULATION VALVE

DEVICE TO THE COMPUTER-CONTROLLED INTELLIGENT ONE PHACOEMULSIFIKATION

SUCTION PRESSURE CONTROL VALVE WITH BELLOWS AS WELL AS VORRRICHTUNG AND SYSTEM TO THE DRAINAGE OF A BODY CONCAVITY

CAN

SURGICAL SYSTEM WITH LIQUID RETURN

Negative pressure wound therapy system

A system for managing reduced pressure to a wound site includes a wound enclosure configured to form a substantially sealed volume around the wound site, a first closed volume, a second closed volume, and a controller. The first closed volume includes a primary pressure source and a canister fluidly coupled to the primary pressure source. The first closed volume is configured to apply reduced pressure to the wound site and deliver exudate collected from the wound site to the canister through a first lumen. The second closed volume includes a secondary pressure source and is configured to apply a secondary pressure to the wound site through a second lumen to facilitate flow of the exudate from the wound site to the canister through the first lumen. The controller is configured to communicate with at least the second closed volume for selectively applying the secondary pressure to the wound site.

Negative pressure wound therapy system using eulerian video magnification

Embodiments of tissue monitoring in combination with negative pressure wound therapy systems and methods are disclosed. In some embodiments, a monitoring and therapy system comprises collecting video images of a tissue site and amplifying said video images via Eulerian Video Magnification. Depending upon the changes detected via Eulerian Video magnification, negative pressure wound therapy may be delivered to the tissue site, stopped, or altered in some manner.

Leak-resistant bandage systems and methods with hydrophilic foam wound insert for fluid-instillation and/or negative-pressure wound therapies

Wound treatment systems and methods (e.g., having hydrophilic wound inserts), such as for negative-pressure and/or fluid-installation wound therapies. Some embodiments include a check-valve assembly between a wound dressing and a vacuum source. WO 2011/090996 PCT/US2011/021665 r100 108--\_ 112 ...

Method of controlling an irrigation/aspiration system

Manifold for connection to a receiver of a medical/surgical waste collection unit

A removable manifold for a medical/surgical waste collection system. The manifold is dimensioned to be mounted to a receiver integral with the system. The manifold includes a driver for engaging a complementary valve internal to the receiver. The valve regulates flow between the receiver and the down line components of the waste collection system. The valve is normally closed. When the manifold is fitted to the receiver the driver engages the valve so as move the valve to the open position. This allows fluid flow from the manifold and receiver to the downstream components of the system.

Apparatus for aspirating, irrigating and cleansing wounds

Surgical system having a cassette with an acoustic coupling

Suction control for phacoemulsification aspiration system

The invention relates to a suction control for phacoemulsification aspiration system, comprising: a) a handpiece (22) having an aspiration function; b) a control console (12) c) an aspiration pump (16) at least partially located in the control console, the aspiration pump providing vacuum to the surgical handpiece through an aspiration line (20); d) an aspiration vent (30) in the aspiration line between the handpiece and the pump; and e) a user adjustable input device in the control console, the user adjustable input device varying the operation of the operation of the aspiration vent and/or aspiration pump based upon user inputs.

Wound treatment apparatus able to distinguish between the fault conditions "canister full" and "aspirant conduit blocked"

Surgical system for indication of media types

Modular wound treatment apparatus with releasable clip connection

Negative pressure device

A method and apparatus are disclosed for providing negative pressure at a wound site. The apparatus includes a negative pressure reservoir (18) and a reservoir valve (17) for selectively connecting the reservoir to a wound chamber (14) at a wound site.

Systems and methods for electrically detecting the presence of exudate in dressings

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

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

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

Vacuum assisted tissue treatment system

"Method of controlling a surgical system based on a rate of change of an operating parameter"

"Method of controlling a surgical system based on a rate of change of an operating parameter"

Testing of pressure sensor in surgical cassette

Automatic high negative pressure relief valve and chest drainage units using same

MANUAL BREASTPUMP WITH STIMULATION FEATURE

Negative pressure wound therapy apparatus and methods

Systems and methods for controlling a pump system for use in negative pressure wound therapy are described herein. In some embodiments, a method for controlling a pump system includes causing provision of negative pressure, via a flow path, to a wound dressing configured to be positioned over a wound, the flow path configured to fluidically connect the pump system to the wound dressing, measuring a first pressure value in the flow path at a first time, measuring a second pressure value in the flow path at a second time, calculating a first rate of pressure change using the first and second pressure values, and in response to determining that the calculated first rate of pressure change satisfies a threshold rate of change, providing an indication that the wound dressing is full, wherein the method is performed under control of a controller of the pump system.

Negative pressure wound therapy apparatus and methods

Systems and methods for controlling a pump system for use in negative pressure wound therapy are described herein. In some embodiments, a method for controlling a pump system includes applying a drive signal to a pump assembly of the pump system, the drive signal alternating between a positive amplitude and a negative amplitude and the drive signal having an offset, and sampling a pressure within a fluid flow path configured to connect the pump system to a wound dressing configured to be placed over a wound during one or more time intervals. Each of the one or more time intervals can occur when the drive signal is approximately at an amplitude equal to one or more sampling amplitudes.

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.

Method for providing negative pressure to a negative pressure wound therapy bandage

A method for providing a negative pressure wherein a pump is cycled on and off to achieve a target negative pressure, which is set slightly lower than the therapeutic negative pressure. A device determines the actual pressure by averaging samples which may occur at a different rate than the pump cycle.

Reduced-pressure systems, methods, and devices for simultaneously treating a plurality of tissue sites

Systems and methods for treating a plurality of tissue sites include a multi-port therapy unit. The multi-port therapy unit includes a plurality of patient-side ports each fluidly coupled to a plurality of conduits and a fluid reservoir fluidly coupled to the plurality of ports. A plurality of pressure sensors are associated with the plurality of patient-side ports to determining a pressure associated with each conduit. A controller is operatively coupled to the plurality of pressure sensors to receive treatment pressure data, monitor pressure for each pressure sensor of the plurality of pressure sensors, and signal an alarm condition if the pressure is outside of a pre-selected range. The system includes a reduced-pressure source fluidly coupled to a dressing at each tissue site through the multi-port therapy unit.

Topical negative pressure system with status indication

Fluid volume measurement using canister resonance for reduced pressure therapy systems

A wound fluid collection system includes a canister adapted to collect bodily fluids from a tissue site. The canister includes an acoustic transducer adapted and positioned to insonify a cavity within the canister, the cavity being defined by a wall of the canister and the bodily fluids collected within the canister. A resonant frequency may be calculated based on a resulting received signal from the insonification. The resonant frequency may indicate a volume of the cavity within the canister. The difference between a known volume of the canister and the calculated volume of the cavity provides the volume of bodily fluid collected in the canister.

Systems and methods for delivering fluid to a wound therapy dressing

Provided are systems and methods for delivery of fluid to a wound therapy dressing. In exemplary embodiments, a pressure source provides negative pressure to a wound dressing and a biasing mechanism provides positive pressure to a fluid reservoir.

Drainage device and support hanger

Expectoration system

An expectoration system comprises an expectoration pipe (20) comprising a throttling device (21) and a balloon valve (19); an expectoration machine (1), comprising a main pipe assembly (15), an air pump assembly (2) and a control system (8). The main pipe assembly (15) comprises a fan (16) and a shutter valve (17). The air pump assembly (2) comprises a first air pump (6) and a second air pump (3). The control system (8) comprises a first sensor (12) for measuring an air pressure of the throttling device (21), and comprises a microcomputer control unit. The microcomputer control unit determines a patient being in an exhaling or inhaling stage by means of an air pressure difference detected by the first sensor (12); during expectoration, the first air pump (6) supplies air to the balloon valve (19) to disconnect a respirator air path, the fan (16) and shutter valve (17) are opened to control the second air pump (3) to supply air to the throttling device (21), and a respirator does not stop ...

Computer controlled smart phacoemulsification method and apparatus

Atraumatic blood suction system

BATTERY RECHARGING

A method and apparatus are disclosed for charging an internal battery of a topical negative pressure (TNP) system. The method includes the steps of determining a value of current required by a TNP system, comparing the required current value with a predetermined current value and setting a resistance provided by a variable resistance element responsive to the comparison to thereby supply unrequired current as battery charging current to an internal battery of the TNP system.

AN APPARATUS AND METHOD FOR CONTROLLING THE NEGATIVE PRESSURE IN A WOUND

An apparatus for treating wound with negative pressure. The apparatus including a wound cover (1), a first pump (9) for providing said negative pressure at a chosen pressure level to the wound, a canister (6), a first conduit (8) between the wound cover and the canister, which first conduit (8) connects the wound with the canister (6) during use of the apparatus, first means for measuring the pressure within the canister, and a second conduit (10) which connects the canister with the first pump. A circulating pump (12) is arranged to intermittently transport a gas volume from the canister (6) to the wound region via a third conduit (13) and back to the canister via the first conduit (8) in order to press out possible exudates from the first conduit to the canister. A second means is arranged to analyse the pressure curve over time of said pressure in the canister and a third means is arranged to indicate by a visible and/or audible alarm when said pressure curve differs from a normal cyclical ...

SILENCER FOR VACUUM SYSTEM OF A WOUND DRAINAGE APPARATUS

Apparatus (10, 200) for the provision of TNP therapy to a wound is described, the apparatus (10, 200) including: a waste canister (22, 204) into which fluid is aspirated from a wound by aspiration pump means (44, 248) and a fluid flow path (420, 422) for at least a part of said aspirated fluid on an outlet side of said aspiration pump means (44) wherein said fluid flow path (420, 422) on the outlet side comprises a silencing system (400) having a plurality of silencing elements (402, 404, 406) therein.

SUSTAINED VARIABLE NEGATIVE PRESSURE WOUND TREATMENT AND METHOD OF CONTROLLING SAME

Disclosed herein are systems and methods for providing reduced or negative pressure, and more particularly cyclical reduced pressure, to treat a wound. The system (20) can include a wound dressing (24), a fluid collection container (38), a suction source (30), filters (34), and conduits (36, 46). In addition, the system (20) can include a control device (32) and sensors. The sensors may be configured to monitor certain physiological conditions of a patient such as temperature, pressure, blood flow, blood oxygen saturation, pulse, cardiac cycle, and the like. Application of cyclical reduced pressure between two or more values below atmospheric pressure may be synchronized with the physiological conditions monitored by the sensors. Certain embodiments of the system utilize an air reservoir (160) and one or more valves (162, 164, 167) and pressure sensors or gauges (137, 165) to allow for rapid cycling of the level of reduced pressure within the wound dressing (24, 44) between two or more ...

REDUCED PRESSURE DELIVERY SYSTEM HAVING A MANUALLY-ACTIVATED PUMP FOR PROVIDING TREATMENT TO LOW-SEVERITY WOUNDS

A manually-activated reduced pressure treatment system includes a substantially rigid housing, and an end cap slidingly received by the housing. An inner chamber is disposed between the end cap and housing, and a volume of the inner chamber is variable in amount depending on the position of the end cap within the housing. The end cap is slidingly movable between an uncompressed position at which the volume of the inner chamber is at a maximum value and a compressed position at which the volume of the inner chamber is at a minimum value. A position indicating member is associated with the end cap and housing to indicate the position of the end cap relative to the housing at predetermined positions between the uncompressed position and the compressed position.

FLUID COLLECTION CANISTER INCLUDING CANISTER TOP WITH FILTER MEMBRANE AND NEGATIVE PRESSURE WOUND THERAPY SYSTEMS INCLUDING SAME

A fluid collection canister including a chamber to collect fluids and a canister top disposed over the chamber. The canister top includes a bottom side facing into the chamber, including first and second ribs disposed thereon, a filter membrane attached to the first and second ribs, a first port to communicate with the chamber and a pressure source external to the chamber, and a second port to communicate with the chamber and a sensor external to the chamber. The first port is in fluid communication with a first area, which is bounded by the filter membrane, the first and second ribs and the bottom side of the canister top. The second port is in fluid communication with a second area, which is bounded by the filter membrane, the second rib and the bottom side of the canister top.

PRESSURE RESPONSIVE FLUID COLLECTION SYSTEM

A collection system having a vacuum source in flow communication with a closed fluid collection vessel which is in flow communication with an inlet conduit disposed to apply the vacuum to non-gaseous fluids. The non-gaseous fluids to be collected are ingested through the inlet conduit through an inlet port to the closed collection vessel where they are retained. The collection vessel is kept at a negative/gauge pressure through an outlet port connecting-the collection vessel to the vacuum source. A variable restriction means is provided at one point between the outlet port and the vacuum source for reducing the cross-sectional area available for flow. The restriction means is responsive to the pressure differential across it and thus tends to reduce gas flow through the system in response to increasing differential pressure.

SYSTEMS AND METHODS FOR IMPROVING CONTROL RESPONSIVENESS DURING ASPIRATION

An aspiration system to control vacuum pressure in an ultrasonic surgical handpiece to result in improved control responsiveness during aspiration. The system comprises a console including a vacuum pump. The system includes a cassette comprising a joint that divides a vacuum path into at least two flow paths. A first joint port couples to a first flow path. A second flow path is coupled to a second joint port, a third flow path is coupled to a third joint port, and a fourth flow path is coupled to a port on a surgical waste receiver. A first sensor senses pressure in the fourth flow path and provides a waste receiver pressure signal. A second sensor senses pressure in the third flow path and provides a tip pressure signal. The controller controls a position of a first vent valve and a second vent valve based on the waste receiver pressure signal and the tip pressure signal, respectively.

SELF CONTAINED WOUND DRESSING APPARATUS

FLEXIBLE NEGATIVE PRESSURE SYSTEM

Connectors and devices for flexible negative pressure systems are described.

MULTIMODAL SURGICAL GAS DELIVERY SYSTEM HAVING CONTINUOUS PRESSURE MONITORING OF A CONTINUOUS FLOW OF GAS TO A BODY CAVITY

A system is disclosed for delivering insufflation gas to a body cavity of a patient during an endoscopic surgical procedure, which includes an insufflation conduit for delivering a continuous flow of insufflation gas to the body cavity at a flow rate through a flow path that communicates with a pneumatically sealed trocar which prevents over-pressurization of the body cavity, and an insufflator for driving gas flow through the insufflation conduit at a driving pressure, wherein the system can be configured so that either the gas flow rate through the insufflation conduit or the driving pressure required to maintain the specified flow rate can vary depending upon body cavity pressure.

Suction button assembly for endoscope

A suction button assembly of a valve structure for an endoscope includes a cylinder housing, cylinder passage, plunger or piston unit, cylinder opening, plunger stem, flow opening, valve sleeve and flow channel. A valve opening is formed in a side surface of the valve sleeve at an end of the flow channel, closed by a wall of the cylinder passage when the plunger is in the closed position, for shut-off between the suction channel and the discharge conduit, and registered with the flow opening when the plunger is in the open position, for communication between the suction channel and the discharge conduit. A valve engaging surface is formed partially with the cylinder passage, has the flow opening, and has an inner diameter decreasing in an upward direction. The valve sleeve is tapered and tightly contacted on the valve engaging surface when the plunger is in the closed position.

Minimally invasive suction retractor

A suction retractor including an elongated tube that is operable to be inserted through a tubular retractor used in minimally invasive surgical procedures. One end of the tube is coupled to a handle having a chamber and the other end of the tube is coupled to a curved retractor portion, where the retractor portion allows the surgeon to hold back various anatomies during the surgical procedure. Thus, the suction retractor provides two functions that may otherwise require two different instruments. The retractor portion includes a series of parallel groves that allow liquids, such as blood, to flow along the retractor portion and into a suction port at the end of the tube. A suction device can be coupled to an outlet port in the handle that causes the blood and other surgical material to be sucked through the tube and out of the handle.

Method and system for treating tissue swelling

A system and related methods and components for treating a tissue site exhibiting interstitial hypertension, including tissue swelling, and particularly swelling associated with cerebral edema, compartment syndrome, and congestive heart failure, by the use of water removal therapy, in order to remove only water from biological fluids. Included also is a system for such use that incorporates one or more monitors, optionally in addition to the use of water removal therapy. By removing only water, all other biologic agents, including essentially all solutes and formed blood elements (such as cells) are increased in concentration in the remaining bodily fluid(s). WRT can be applied to several clinical conditions in which there is an excess of water, and is ideally used in an extracorporeal fashion, in combination with other functions and related components as well, including ultrafiltration.

Method and Apparatus for Eliminating Urine and Keeping a Person Dry

An apparatus for eliminating excreted urine so as to keep a person dry without the person having to actively or consciously participate in the process. The apparatus may be part of a diaper or similar article of clothing or may be a device used in such clothing. The apparatus has a plurality of receiving tubes for receiving the urine, a central collecting tube and/or similar collecting and holding facility associated with the receiving tubes for receiving, collecting and at least temporarily holding the urine, and a vacuum source for suctioning the urine into the receiving tubes. A sensor detects urine released by the person and activates the vacuum source which pulls the urine into the receiving tubes. The central collecting tube may be routed directly or indirectly to a drain for disposing of the collected urine.

Systems and methods for delivering fluid to a wound therapy dressing

Systems and methods for delivery of fluid to a wound therapy dressing. In exemplary embodiments, a pressure sensor measures the pressure at the wound therapy dressing and restricts fluid flow to the wound therapy dressing when a predetermined pressure is achieved.

Illuminated suction apparatus

An illuminated suction apparatus including a hand-held surgical device combining a high-performance illumination waveguide with suction. This device would be useful in a wide array of various surgical procedures including open and minimally invasive orthopedics.

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.

Naso/orogastric tube having one or more backflow blocking elements, backflow blocking elements, and a method of using backflow blocking elements

A naso/orogastric device that comprises a naso/orogastric tube sized and shaped for being disposed within the esophagus so that at least a distal segment thereof being placed in the stomach lumen of a patient and at least one self expending element disposed around a peripheral surface of the naso/orogastric tube and having a first thickness in a compressed state and a second thickness in an expanded state, the at least one self expending element switching from the compressed state to the expanded state when absorbing moisture. The first thickness is thinner than the second thickness.

Electrical pump for breast milk

An electrical pump for breast milk, having an electric motor, a pump, at least one suction cup, a suction line connecting the suction cup to the pump, an outlet for breast milk connected to the suction cup, a venting line connected to the suction cup, an electrically activated venting valve in the venting line, an electronic control system which adjusts the speed of the electric motor and the electrically activated venting valve to switch the electric motor on and off to allow the electric motor to run at a desired speed and to operate the electric motor continuously and/or in cycles, in which the electric motor is alternately switched on and off, and the electronic control system opens the venting valve when the electric motor is switched off, and closes the venting valve when the electric motor is switched on.

Anti-clog suction tip apparatus and methods

Various forms of anti-clog suction tips apparatus are disclosed. For example, an anti-clog suction tip apparatus includes a suction tip assembly having a suction tip with a suction opening at a first end thereof for removing debris through suction, a hose attachment portion for attaching the suction tip assembly to a suction source, and an ejection wire channel. The apparatus further includes an ejection wire assembly having an ejection wire extending within the channel and an ejection button integral with or connected to the ejection wire. Applying a force to the ejection button advances the ejection wire through the channel such that an end portion of the ejection wire enters the suction tip and dislodges debris clogging the suction tip. The ejection wire may include an enlarged end portion such as, for example a ball tip. One or more of the components of the apparatus may be single-use and disposable.

System and method for measuring fluid pressure

A method of reducing power consumption in a pressure (vacuum) regulator system by waking the regulator upon detection of a person's hand proximity prior to adjustment of a pressure controller, including: defining a sampling time-window to sample a pressure in the pressure regulator system; generating a random number of pressure samples within the defined sampling time-window; acquiring data of the randomly generated number of pressure samples within the defined sampling time-window; adjusting the defined sampling time-window in response to a triggering of a proximity sensor; and wirelessly transmitting the data to an output device.

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.

Reduced-pressure treatment systems and methods employing a fluidly isolated pump control unit

Systems, devices, and methods for treating a tissue site on a patient with reduced pressure are presented. In one instance, a reduced-pressure treatment device to treat a tissue site with reduced pressure may include a pump control unit fluidly separate from a collection unit. Pump energy may be provided by the pump control unit to deflect one or more diaphragms within the collection unit to create reduced pressure. Other systems, devices, and methods are presented.

Device, system and method for assessing attitude and alignment of a surgical cassette

A system and method of receiving a cassette to a console of a phacoemulsification system. The system and method may include receiving the cassette in close proximity to a cassette receptacle comprising a receiving surface, sensing variations in at least two variable resistances mounted respectively diagonally about the receiving surface, and comparing the variations as between the at least two variable resistances to assess an attitude of the cassette. The system and method may optionally include clamping the cassette responsively to the comparing step.

Pre-Alignment Surgical Cassette Interface

A phacoemulsification surgical console, and a related system and method. The console, system and method may include a cassette receiver suitable for receiving a surgical cassette, a controller suitable for controlling provided aspects of the phacoemulsification; and a pre-alignment feature along a lower portion under and proximate to the cassette receiver, extending outwardly from the lower portion, and suitable for aligning the surgical cassette to the cassette receiver. The pre-alignment feature may comprise a shelf.

Nasogastric Tube

A nasogastric tube ( 10 ) including a main lumen ( 12 ) having one or more proximal connectors ( 14 ) for connecting to a source of substances or pressure, and one or more vacuum lumens ( 16 ) peripherally surrounding the main lumen ( 12 ), each vacuum lumen ( 16 ) including a vacuum sealing portion ( 24 ), which includes one or more suction ports ( 26 ) for sealingly drawing an inner wall of an esophagus thereagainst.

Negative pressure wound therapy system with a buffering unit

A negative pressure wound therapy system has a buffering unit connected between an actuator and a wound dressing. The buffering unit has similar physical condition with the wound, and consumes its negative pressure to compensate for the negative pressure loss in the wound to resist the pressure rise in the wound during slight leakage. The buffering unit also keeps the actuator from directly operating on the wound to reduce the pain of the patient while lowering the pressure in the wound.

Suction Device

The invention relates to a suction device for suctioning liquids, comprising a suction element, which is provided with at least one suction opening for receiving the liquid, and a pump which is connected to the suction element and which is equipped to generate a suction vacuum in the suction element, wherein a control device and at least one sensor which is connected to the control device are provided, wherein the control device is equipped to influence the suction power acting at the suction opening dependent on the signals received from the sensor. The object of the invention is to provide a suction device for suctioning liquids, said device working with greater efficiency than known suction devices. Additionally, there is a requirement in the medical field to provide a medical suction device which to the greatest possible extent prevents the damage that occurs to blood components during automatic operation. This object is achieved by the fact that the sensor is designed as an acoustic wave sensor. The acoustic wave sensor is equipped to detect acoustic waves which are generated by the suction element during the operation thereof.

Medical suction system and disposable container

A portable, adjustable disposable medical suction system and method of use is disclosed. The system includes a delivery device to provide a conduit from a surgical site on a patient to the portable, adjustable medical suction system. The suction system may be a battery powered vacuum pump with one or more different adjustments directed to a strength of the vacuum, duration of the vacuum and interval between suction. The delivery device may be an intranasal tampon device or a tube inserted into the surgical site. During surgery and recovery at a surgical center or hospital, the vacuum source attached to the delivery system may be an industrial type vacuum source. Upon discharge, the suction system can be connected to the delivery system so that bleeding can be resolved by the patient in the comfort of his/her own home. The system and method of use is safer and mitigates body fluid borne contamination.

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.

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.

Single hand control device for ultrasound guided injections

Disclosed herein are various device embodiments providing for single-handed operation of dual fluid injection or fluid injection/aspiration. The inventions further contemplate methods of using the devices using real-time imaging technologies. The single-handed device has structures for selectively applying two or more sources of positive or negative pressure through an attachable needle for said dual fluid injections or aspiration.

Illuminated suction apparatus

An illuminated suction apparatus including a hand-held surgical device combining a high-performance non-fiber optic optical waveguide with suction. This device is useful in a wide array of surgical procedures including open and minimally invasive orthopedics.

ARTHROSCOPIC DEVICES AND METHODS

A fluid management system includes a pump connectable to a fluid source. An inflow line removably connects to a cannula for delivering a fluid flow from the pump into a surgical site, such as a joint cavity. A flow pressure sensor is coupled to measure flow pressure in the inflow line and produce a measured pressure value, A controller is connected to the pump and the flow pressure sensor, and the controller maintains a pressure set point by controlling a pump speed based on a backpressure-adjusted pressure value calculated by subtracting a backpressure value selected from a backpressure table from the measured pressure value. The BAPV is monitored to determine whether the BAPV deviates outside an initial BAPV range, and corrective measure are taken should such deviations occur. 120.-. (canceled)21. A method for arthroscopic surgery , comprising:operating simultaneously: (i) a fluid flow system to flow fluid through a fluid-filled working space in a patient: (ii) an arthroscopic cutter to cut tissue in the fluid-filled working space; and (iii) a videoscopic system to generate video image signals from the fluid-filled working space,wherein, during said operating, a video processor of the videoscopic system that is analyzing the video image signals detects a color condition that indicates blood in the fluid-filled working space and in response to the color condition provides a control signal to a controller that increases a rate of fluid flow through the fluid-filled working space.22. The method of claim 21 , wherein said operating simultaneously utilizes a single surgical unit that houses: (i) the controller; (ii) the video processor; (iii) an inflow pump and an outflow pump of the fluid flow system; and (iv) an electrical source for powering the arthroscopic cutter.23. The method of claim 21 , wherein the videoscopic system includes an endoscope with a distal image sensor that claim 21 , during said operating claim 21 , is positioned in the fluid-filled working ...

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.

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

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

Devices and methods for fluid infusion, drainage, and collection

Containers for collecting fluid are provided that include a reservoir comprising a plurality of panels enclosing an interior, side panels of the reservoir are movable from an expanded position towards to a compressed position and biased to the expanded position for generating a vacuum within the interior. An elongate housing extends along a top side of the reservoir including a passage extending between proximal and distal ends thereof and communicating with the interior of the reservoir. An elongate member extends through the housing including a distal extension, a proximal extension, and a lumen extending therebetween. One-way valves are coupled to the distal and proximal extensions for permitting fluid flow proximally from the distal extension into the interior of the reservoir via and permitting fluid flow proximally from the proximal extension while preventing fluid flow distally out the distal extension and distally into the proximal extension and lumen.

Sustained variable negative pressure wound treatment and method of controlling same

Disclosed herein are systems and methods for providing reduced or negative pressure, and more particularly cyclical reduced pressure, to treat a wound. The system can include a wound dressing, a fluid collection container, a suction source, filters, and conduits. In addition, the system can include a control device and sensors. The sensors may be configured to monitor certain physiological conditions of a patient such as temperature, pressure, blood flow, blood oxygen saturation, pulse, cardiac cycle, and the like. Application of cyclical reduced pressure between two or more values below atmospheric pressure may be synchronized with the physiological conditions monitored by the sensors. Certain embodiments of the system utilize an air reservoir and one or more valves and pressure sensors or gauges to allow for rapid cycling of the level of reduced pressure within the wound dressing between two or more reduced pressure values.

Suction device

An embodiment includes a suction device handle for use with a vacuum supply conduit to suction a fluid or tissue, the handle comprising: a hand-grippable body defining a chamber; the hand-grippable body comprising a distal end configured to support a suction tip; the suction tip including a distal end of a vacuum supply conduit extending within an outer cannula, the vacuum supply conduit being offset from a distal end of the outer cannula by a predetermined distance; wherein the distal end of the hand grippable body is connected to a proximal end of the outer cannula and the chamber is connected in fluid communication with the suction pressure or vacuum generated at the distal end of the vacuum supply conduit. Additional embodiments are described herein.

DEVICE AND METHOD FOR WOUND THERAPY

A wound therapy device is disclosed. The wound therapy device may include a housing for covering at least a portion of a wound and for sealing to a body surface of a patient. The housing may also include a liquid collector for retaining liquid therein and a vacuum connection for coupling to a vacuum source. The vacuum connection may be in gaseous communication with the liquid collector. The vacuum connection may be separated from the liquid collector by a liquid barrier. 158.-. (canceled)59. A reduced-pressure system for treating a tissue site , comprising:a first dressing component comprising a super-absorbent material;a second dressing component comprising a silicone material;a wound cover for providing a fluid seal over the first and second dressing components;a reduced-pressure interface coupled to the wound cover; anda reduced-pressure delivery conduit for fluidly coupling to the reduced-pressure interface.60. The reduced-pressure system of claim 59 , further comprising a reduced-pressure source.61. The reduced-pressure system of claim 59 , wherein the second dressing component comprises a plurality of structural supports.62. The reduced-pressure system of claim 61 , wherein the first dressing component is disposed between the plurality of structural supports.63. The reduced-pressure system of claim 59 , further comprising a treatment aperture disposed in a wound interface layer.64. The reduced-pressure system of claim 59 , wherein the first dressing component and the second dressing component are configured to be positioned over the tissue site and over skin surrounding the tissue site.65. A wound therapy device claim 59 , comprising: a first dressing component comprising an absorbent material;', 'a second dressing component comprising a structural support;', 'a wound cover for providing a fluid seal over the first and second dressing components;', 'a wound interface layer disposed beneath the absorbent layer, the wound interface layer comprising a porous ...

SYSTEM AND METHOD FOR LAUNCHING USAGE MODE IN A MULTIMODAL SURGICAL GAS DELIVERY SYSTEM

A surgical gas delivery device includes a filter cartridge interface and a computer controlled control unit configured to control the circulation of surgical gas during endoscopic surgery. The control unit can operate in a plurality of different modes of operation. A tube set for connecting the surgical gas delivery device to one or more end effectors includes a filter cartridge in fluid communication with the tube set. The filter cartridge is seated in the filter cartridge interface of the surgical gas delivery device to communicate surgical gas between the surgical gas delivery device and the one or more end effectors. The surgical gas delivery device includes a reader operatively connected to receive input from a data carrying element of the tube set. The data carrying element, reader, and control unit can launch a specific one of the modes of operation when the filter cartridge is inserted. 1. A method of supplying surgical gas from a surgical gas delivery device comprising:receiving a filter cartridge in a filter cartridge interface of the surgical gas delivery device;reading machine readable information from a data carrying element of the filter cartridge; andautomatically launching one of a plurality of different modes of operation based on the machine readable information from a data carrying element.2. The method as recited in claim 1 , further comprising:displaying a prompt on a user interface for a user to select the one mode of operation from among the plurality of different modes of operation;receiving user input indicative of the one mode of operation; andprompting the user with the user interface to insert a filter cartridge compatible with the one mode of operation into the filter cartridge receptacle, wherein launching the one mode of operation includes launching the one mode only upon insertion of the filter cartridge compatible with the one mode of operation into the filter cartridge interface.3. The method as recited in claim 1 , wherein ...

MEDICAL FLUSHING PUMP COMPRISING TWO SUCTION LINES

The present invention relates to a device for flushing a body cavity with a fluid, the fluid being pumped by means of two lines from the body cavity. The respective pumping capacity is regulated via controllable pinch valves, the two pinch valves being coupled in an antiparallel manner. 1. A device for flushing a body cavity (K) , comprising{'b': '1', '(i) a storage container () for the flushing liquid,'}{'b': '2', '(ii) a supply line (),'}{'b': '3', '(iii) a controlled roller wheel pump (),'}{'b': '4', '(iv) a controlled vacuum pump (),'}{'b': 5', '6, '(v) a first medical instrument () with a first suction line (),'}{'b': 7', '8, '(vi) a second medical instrument () with a second suction line (),'}{'b': 9', '10, '(vii) optionally a third suction line () with a throttle (),'}{'b': 11', '6, '(viii) a first pinch valve () at the first suction line (),'}{'b': 12', '8, '(ix) a second pinch valve () at the second suction line (),'}{'b': 13', '6', '8', '9', '4, '(x) a waste container (), connected to the first suction line (), second suction line (), and optional third suction line (), and to the controlled vacuum pump (),'}{'b': 11', '12, 'characterized by that the first pinch valve () and the second pinch valve () are coupled in an antiparallel manner.'}21112141516. The device of claim 1 , characterized by that the antiparallel coupling takes place such that the two pinch valves ( claim 1 , ) are formed by pinch elements that are respectively attached on gear racks ( claim 1 , ) claim 1 , and the two gear racks are coupled to each other by means of a gear wheel () claim 1 , so that they are moved for an antiparallel movement. The present invention relates to a device for flushing a body cavity with a fluid, the fluid being pumped by means of two lines from the body cavity. The respective pumping capacity is regulated via controllable pinch valves, the two pinch valves being coupled in an antiparallel manner.It is known, in endoscopic examinations and in particular in ...

MULTIPLE DRESSING NEGATIVE PRESSURE WOUND THERAPY SYSTEM

Embodiments described herein relate to apparatuses, systems, and methods for the treatment of wounds, for example using multiple wound dressings in combination with negative pressure wound therapy. A negative pressure would therapy apparatus can include a negative pressure source and a controller. The negative pressure source can include inlets configured to couple via fluid flow paths to wound dressings. The fluid flow paths can include pressure sensors configured to measure pressure in the fluid flow paths. The pressure sensors can include a first pressure sensor configured to measure pressure in the first fluid flow path and a second pressure sensor configured to measure pressure in the second fluid flow path. The controller can be configured to operate the negative pressure source and provide, based on measured pressure, indication of at least one operating condition associated with at least one of the fluid flow paths. 166-. (canceled)67. A method of determining a blockage in a negative pressure wound therapy system , the method comprising , by a controller:receiving first pressure data indicative of a combined pressure in a plurality of fluid flow paths fluidically connecting a negative pressure source with a plurality of wound dressings, wherein the plurality of fluid flow paths comprises at least a first fluid flow path including a first valve and a second fluid flow path including a second valve;based on a determination that the first pressure data satisfies a first blockage threshold, determining that the plurality of fluid flow paths includes a fluid flow path associated with a blockage condition; andbased at least in part on the second pressure data, identifying at least one fluid flow path of the plurality of fluid flow paths that is associated with the blockage condition, wherein the second pressure data is obtained when at least one of the first valve or the second valve is closed.68. The method of claim 67 , wherein the first blockage threshold ...

Suction Device for Surgical Instruments

A suction device is shown and described. The suction device includes a body, an input port configured to receive a flow of matter, a suction port, and a suction lumen that couples the suction port to the input port. In some embodiments the suction device is configured to couple with a surgical instrument for use in a surgical procedure.

Wound-Dressing Conditioning Device

A wound-dressing conditioning device () for conditioning a wound dressing (). The device () comprises a treatment-fluid flow path () and a waste-fluid flow path (). A pumping means () is at the treatment-fluid flow path () and the waste-fluid flow path (). The pumping means () can pump treatment fluid along the treatment-fluid flow path () pump waste fluid along the waste-fluid flow path (), and apply negative-pressure condition to the wound dressing (). The pumping means () has a controller to control the treatment fluid pumping, and a monitoring means for monitoring a volume of treatment fluid pumped to the wound dressing (). 1. A wound-dressing conditioning device to condition a wound dressing , the device comprising:a treatment-fluid flow path having a treatment-fluid inlet configured to fluidly communicate with a treatment-fluid source, and a treatment-fluid outlet configured to fluidly communicate with the wound dressing;a waste-fluid flow path having a waste-fluid inlet configured to fluidly communicate with the wound dressing, and a waste-fluid outlet configured to fluidly communicate with a waste-fluid container; anda pump at or adjacent to the treatment-fluid flow path and the waste-fluid flow path, the pump having a treatment-fluid-application condition for which the pump is configured to pump treatment fluid from the treatment-fluid inlet to the treatment-fluid outlet, a waste-fluid-removal condition in which the pump is configured to pump waste fluid from the waste-fluid inlet to the waste-fluid outlet, and a negative-pressure condition in which the pump is configured to apply negative pressure to the wound dressing;the pump having a controller configured to control the treatment-fluid-application condition, and a monitor configured to monitor a volume of treatment fluid pumped to the treatment-fluid outlet during the treatment-fluid-application condition.2. The wound-dressing conditioning device as claimed in claim 1 , wherein the pump is configured to ...

A Medical Waste Management System Integrated Within A Medical Facility

A medical waste management system including a boom secured to a fixed structure of a medical facility. A waste container defines a waste volume sized to collect liquid waste material received through a suction line under the influence of a vacuum provided by a vacuum pump. The system may include a service head coupled to the boom and including the waste container. A vacuum port is in fluid communication with the waste volume, and discharge and/or cleaning ports also in communication with the waste volume may be provided. The vacuum pump may be integrated with the medical facility, and the system may include an offload pump Integrated with the medical facility and in communication with the discharge port. The waste container may be supported on a mobile cart configured to be removably coupled with the boom. The system may further include a liquid measuring system coupled to the waste container. 1. A medical waste management system comprising:a mount configured to be rigidly secured to a fixed structure of a medical facility;a boom secured to said mount and comprising at least one elongated arm for extending away from the fixed structure;a service head coupled to said boom:a waste container located on said service head and defining a waste volume sized to collect liquid waste material during a medical procedure performed within the medical facility with the liquid waste material being received through a suction line under influence of a vacuum provided by a vacuum pump;a vacuum port in fluid communication with said waste volume and configured to be coupled to a vacuum line to establish fluid communication between said waste volume and the vacuum pump; anda liquid measuring system coupled to said waste container within said waste volume with said liquid measuring system configured to measure a level of the liquid waste material within said waste volume.2. The medical waste management system of claim 1 , further comprising a discharge port in fluid communication with ...

Surgical Irrigation Cassette

A surgical irrigation cassette comprises a cassette housing, a portion of a pump, and fluid pathways. The housing defines a chamber therein and a first console connector including a first pneumatic connector port. The pump portion includes an intake side of the pump and an output side of the pump. The fluid pathways are disposed at least in part within the chamber. A first fluid pathway, in an installed position, connects the intake side of the pump with a supply fluid container. A second fluid pathway, in an installed position, connects the output side of the pump and a handpiece. A third fluid pathway, in an installed position, connects the handpiece and a waste container A fourth fluid pathway, in an installed position, connects the first console connector and the waste container. 1. A surgical irrigation cassette comprising:a substantially rigid cassette housing defining a chamber therein and a first console connector including a first pneumatic connector port;a liquid transfer portion of a pump including an intake side of the pump and an output side of the pump; a first fluid pathway including a first end connected with the intake side of the pump, and a second end for connecting with a supply fluid container;', 'a second fluid pathway including a first end connected with the output side of the pump, and a second end for connecting with a handpiece;', 'a third fluid pathway including a first end for connecting with the handpiece, and a second end for connecting with a waste container; and', 'a fourth fluid pathway including a first end connected with the first console connector and a second end for connecting with the waste container., 'a plurality of fluid pathways disposed at least in part within the chamber, including2. The surgical irrigation cassette of claim 1 , wherein the housing includes a first wall and a substantially parallel second wall connected by a peripheral third wall.3. The surgical irrigation cassette of claim 1 , wherein the housing has a ...

Systems and Methods for Improving Control Responsiveness During Aspiration

An aspiration system to control vacuum pressure in an ultrasonic surgical handpiece to result in improved control responsiveness during aspiration. The system comprises a console including a vacuum pump. The system includes a cassette comprising a joint that divides a vacuum path into at least two flow paths. A first joint port couples to a first flow path. A second flow path is coupled to a second joint port, a third flow path is coupled to a third joint port, and a fourth flow path is coupled to a port on a surgical waste receiver. A first sensor senses pressure in the fourth flow path and provides a waste receiver pressure signal. A second sensor senses pressure in the third flow path and provides a tip pressure signal. The controller controls a position of a first vent valve and a second vent valve based on the waste receiver pressure signal and the tip pressure signal, respectively. 1. An aspiration system to control vacuum pressure in an ultrasonic surgical handpiece to result in improved control responsiveness during aspiration , the system comprising:a vacuum pump;a vacuum path that extends at least partially between a surgical handpiece connector and the vacuum pump, the vacuum path further including a joint wherein the joint divides the vacuum path into at least two flow paths;a first sensor coupled to a first portion of the vacuum path, the first portion of the vacuum path positioned between a surgical waste receiver connector and the vacuum pump, the first sensor configured to monitor a waste receiver pressure and provide a waste receiver pressure signal;a first vent valve coupled to the first portion of the vacuum path;a second vent valve coupled to a terminal end of a second portion of the vacuum path, the second portion of the vacuum path originating from the joint;a second sensor coupled to the second portion of the vacuum path and configured to monitor a vacuum pressure associated with a tip of the ultrasonic surgical handpiece and provide a tip ...

Pressure Switch for Aspiration Systems and Devices

Pressure regulations allow for example, tension control on spring valves to regulate cycling behavior for aspiration catheter systems. Unique brain access and procedures are driven by the improved cycling patterns and managed periodic frequencies. 1. An improved pressure switch for cycling pressure between atmospheric and pump pressures which generates and communicates a novel cycle pattern.2. The improved pressure switch of claim 1 , whereby a curve which defines the cycle pattern shows that induced variations of cyclic pressure generate alternate periodic frequencies claim 1 , for example claim 1 , fixed or unfixed sinusoidal patterns.3. The improved pressure switch of claim 2 , effective for use in neurovascular and interventional procedures with currently existing medical devices.4. The improved pressure switch of claim 3 , effective for use with newly developed or later developed medical devices.5. A medical device system for cycling pressure between pump pressure and atmospheric pressure comprising claim 3 , in combination:at least an aspiration pump, suction tubing connecting the at least a pump to a device; andan associated aspiration catheter, whereby a novel cycle pattern is generated.6. The medical device system of claim 5 , defined by the curve in .7. The medical device system of claim 6 , whereby a spring-loaded mechanism is effective to actuate a release valve as mechanical means to regulate pressure.8. The medical device system of claim 7 , further comprising tension control on the spring valve.9. The medical device system of claim 8 , wherein cycling behavior is regulated.10. The medical system of claim 9 , forming a kit for using any medical device along with the pump and tubing and aspiration catheter.11. The medical device system of claim 10 , wherein the aspiration catheter is designed for neurovascular use.12. The medical device system of claim 10 , wherein the aspiration catheter is designed for peripheral vascular use.13. The medical device ...

SYSTEMS AND METHODS FOR CONTROLLING OPERATION OF A REDUCED PRESSURE THERAPY SYSTEM TO DETECT LEAKS

In some embodiments, a negative pressure apparatus includes a negative pressure source configured to provide negative pressure via a fluid flow path to a wound dressing placed to create a seal over a wound, a pressure sensor, and a controller. The controller can be configured to operate the negative pressure source in a first mode and determine a change in pressure in the fluid flow path over a period of time based on a plurality of measurements by the pressure sensor. In response to a determination that pressure in the fluid flow path is decreasing, the controller can operate the negative pressure source in a second mode in which greater amount of negative pressure is provided than in the first mode. In response to a determination that pressure in the fluid flow path is not decreasing, the controller can provide an indication of a first leak in the seal. 1. A method of operating a negative pressure wound therapy apparatus , the method comprising: prior to initiating a pump down to reduce pressure in a fluid flow path from atmospheric pressure to a negative pressure set point, operating a negative pressure source of the negative pressure wound therapy apparatus to provide a first level of negative pressure via the fluid flow path to wound covered by a wound dressing;', 'determining a change in pressure in the fluid flow path over a first period of time;', 'in response to determining that pressure in the fluid flow path is decreasing relative to atmospheric pressure, initiating the pump down by operating the negative pressure source to provide a second level of negative pressure that is greater than the first level of negative pressure; and', 'in response to determining that pressure in the fluid flow path is not decreasing relative to atmospheric pressure, providing an indication of a first leak in a seal formed by the wound dressing., 'by a controller of the negative pressure wound therapy apparatus, in response to a request to initiate or restart application of ...

Surgical suction device that uses positive pressure gas

A surgical suction device that uses positive pressure gas is shown and described. The surgical suction device includes an air amplifier. The air amplifier includes a structure defining a generally cylindrical cavity having a first opening at a first end and a second opening at a second end. The cylindrical cavity is defined by an inner wall of the cavity. The air amplifier includes an annular opening in the inner wall near the first end. The annular opening defines a jet opening adapted to allow a pressurized gas to flow out of the annular opening such that a low pressure region is produced at the first end and an amplified flow is produced at the second end. The annular opening is further configured such that the pressurized gas enters the cavity at an angle with respect to the inner wall of the cavity that is towards the second end.

Surgical suction device that uses positive pressure gas

A surgical suction device that uses positive pressure gas is shown and described. The surgical suction device includes an air amplifier. The air amplifier includes a structure defining a generally cylindrical cavity having a first opening at a first end and a second opening at a second end. The cylindrical cavity is defined by an inner wall of the cavity. The air amplifier includes an annular opening in the inner wall near the first end. The annular opening defines a jet opening adapted to allow a pressurized gas to flow out of the annular opening such that a low pressure region is produced at the first end and an amplified flow is produced at the second end. The annular opening is further configured such that the pressurized gas enters the cavity at an angle with respect to the inner wall of the cavity that is towards the second end.

Instillation cartridge for vacuum actuated fluid delivery

A fluid delivery system, method, and apparatus for providing instillation therapy with a negative-pressure source is described. The apparatus includes a housing having an ambient chamber and a negative-pressure chamber fluidly isolated from each other. The apparatus also includes a moveable barrier disposed in the housing between the ambient chamber and the negative-pressure chamber. The moveable barrier is operable to move between a charge position and a discharge position in response to negative pressure. A fluid source is disposed in the negative-pressure chamber and is collapsible in response to movement of the moveable barrier to the discharge position. The apparatus also includes a fluid outlet in fluid communication with the fluid source, a negative-pressure port in fluid communication with the negative-pressure chamber and configured to be coupled to a negative-pressure source, and a vent formed in the housing and fluidly coupled to the ambient chamber.

SYSTEMS, DEVICES, AND METHODS FOR ASPIRATING BIOLOGICAL MATERIAL FROM A BODY LUMEN

An intraluminal system for aspirating biological material from a lumen of a patient includes a disposable intraluminal device having a proximal portion and a distal portion. The system includes a disposable pump configured to aspirate the biological material from the lumen of the patient. The disposable pump is coupled to the proximal portion of the intraluminal device. The disposable pump comprises a pump chassis that houses: an inlet port configured to sealably attach to the proximal portion of the intraluminal device; an outlet port configured to expel the aspirated biological from the pump; and a flow controller configured to adjust a fluid flow through the pump, wherein the pump chassis is sized and shaped to be manually supported by a user. 1. An intraluminal system for aspirating biological material from a lumen of a patient , comprising:a disposable intraluminal device comprising a distal portion configured to be positioned within the lumen of the patient and a proximal portion in fluid communication with the distal portion and positioned outside of the patient; and an inlet port configured to sealably attach to the proximal portion of the intraluminal device;', 'an outlet port configured to expel the aspirated biological from the pump;', 'a flow controller configured to adjust a fluid flow through the pump;', 'an actuator;', 'a first pump chamber;', 'a second pump chamber separate from the first pump chamber; and', 'a dual displacement adapter coupled to the actuator such that the actuator is configured to drive the dual displacement adapter to pump fluid through each of the first pump chamber and the second pump chamber in an alternating fashion, and, 'a disposable pump configured to aspirate the biological material from the lumen of the patient, the disposable pump coupled to the proximal portion of the intraluminal device and comprising a pump chassis that houseswherein the pump chassis is sized and shaped to be manually supported by a user.2. The ...

DEVICE FOR AN ASPIRATOR, ASPIRATOR AND METHOD

A device for an aspirator, the device comprising a suction inlet for suctioned air, liquid and particles; an exhaust outlet for air; a reservoir for collecting liquid and particles separated from the air; and a clearing arrangement fluidly between the suction inlet and the exhaust outlet, the clearing arrangement being configured to provide a path of air, substantially cleared from liquid sucked through the suction inlet, to the exhaust outlet, in any orientation of the device in space. An aspirator comprising a device, and a method of modifying a device for an aspirator, are also provided. 1. A device for an aspirator , the device comprising:a suction inlet for suctioned air, liquid and particles;an exhaust outlet for air;a reservoir for collecting liquid and particles separated from the air; anda clearing arrangement fluidly between the suction inlet and the exhaust outlet, the clearing arrangement being configured to provide a path of air, substantially cleared from liquid sucked through the suction inlet, to the exhaust outlet, in any orientation of the device in space.2. The device according to claim 1 , further comprising a filter fluidly between the suction inlet and the exhaust outlet; wherein the clearing arrangement is fluidly between the suction inlet and the filter claim 1 , and wherein the clearing arrangement is configured to provide a path of air claim 1 , substantially cleared from liquid sucked through the suction inlet claim 1 , to the filter claim 1 , in any orientation of the device in space.34-. (canceled)5. The device according to claim 1 , wherein the clearing arrangement is configured to separate liquid from air by means of absorption claim 1 , and wherein the clearinq arrangement comprises an absorbent material.69-. (canceled)10. The device according to claim 1 , wherein the clearing arrangement comprises a plurality of free bodies.11. The device according to claim 1 , wherein the clearing arrangement is positioned within the reservoir.12. ...

Fluid collection canister including canister top with filter membrane and negative pressure wound therapy systems including same

A fluid collection canister including a chamber to collect fluids and a canister top disposed over the chamber. The canister top includes a bottom side facing into the chamber, including first and second ribs disposed thereon, a filter membrane attached to the first and second ribs, a first port to communicate with the chamber and a pressure source external to the chamber, and a second port to communicate with the chamber and a sensor external to the chamber. The first port is in fluid communication with a first area, which is bounded by the filter membrane, the first and second ribs and the bottom side of the canister top. The second port is in fluid communication with a second area, which is bounded by the filter membrane, the second rib and the bottom side of the canister top.

Methods of treating degenerative bone conditions

A combination suction and irrigation device for a medical procedure. The device includes an elongated body having a proximal end and a distal end and defines an open channel that extends from the proximal end to the distal end. The open channel is open at both the proximal end and the distal end. A suction port is in communication with the open channel and is connectable to a source of suction. An irrigation port is in communication with the open channel and is connectable to a source of irrigation fluid. A valve selectively opens and closes the open channel to flow relative to the suction port and to the open proximal end, and to flow relative to the irrigation port.

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.

Aspiration systems

Thrombus aspiration may be performed using manual negative intermittent suction (e.g., provided by a syringe) or using an automated negative suction device (e.g., provided by a vacuum pump). The suction device may be connected through suction tubing to a hub of a catheter. The automated negative suction device may include an external control panel for the operator configured to allow the operator to choose from any of a plurality of suction patterns during an aspiration procedure.

APPARATUS AND METHOD FOR LOCATING FLUID LEAKS IN A REDUCED PRESSURE DRESSING UTILIZING A REMOTE DEVICE

A system and method for performing tissue therapy may include applying a reduced pressure to a tissue site of a patient. A fluid parameter associated with applying a reduced pressure to the tissue site may be sensed. An audible fluid leak location sound may be generated in response to sensing the fluid parameter. The audible fluid leak location sound may be altered in response to sensing that the fluid parameter changes. By altering the audible fluid leak location sound in response to sensing a change of the fluid parameter, a clinician may detect location of a fluid leak at the drape by applying force to the drape. The force applied to the drape may be a clinician pressing a finger onto an edge of the drape. 127.-. (canceled)28. A method for performing reduced pressure tissue therapy , comprising:applying a reduced pressure to a tissue site of a patient covered by a drape;sensing a sound pressure wave propagating from the drape at a first location proximate the drape;generating a first audio signal representing the sound pressure wave and having amplitude and frequency components indicative of a fluid leak at the first location when a fluid leak is present in or proximate the drape; andgenerating an output signal when the amplitude and frequency components indicate the presence of a fluid leak at the first location.29. The method according to claim 28 , further comprising:computing an amplitude average of the amplitude components of the first audio signal over time;comparing the amplitude average of the first audio signal to an amplitude threshold indicative of a fluid leak at the first location; andgenerating the output signal indicating the presence of a fluid leak at the first location if the amplitude average is greater than the amplitude threshold.30. The method according to claim 28 , further comprising:sensing a sound pressure wave at a second location proximate the drape to sense a sound pressure wave propagating from the drape at the second location; ...

Breast pump apparatus

A breast pump apparatus, the apparatus comprising at least one collection unit, a pump, the pump comprising a piston, and a chair, wherein the collection unit is in fluid communication with the pump, such that upon actuation the pump creates suction impulses which are transmitted, in use, to the user's breast via the collection unit, thereby expressing milk from the breast into the collection unit, and wherein the pump is connected to the chair, such that, in use, the relative movement of a first portion of the chair relative to the other parts of the chair, manually actuates and drives the piston of the pump.

Electrosurgical device

Presented are an apparatus, method and electrosurgical device for surgical procedures. An exemplary apparatus includes a body comprising a longitudinal axis and an electrical wire maintained within the body extending along the longitudinal axis, and an electrode extending from a distal end of the body operably coupled to the electrical wire, the electrode with the electrical wire operable to conduct a flow of current at a plurality of levels. The apparatus further includes a first button arranged on an external surface of the body, the first button operable for selecting the flow of current at each one of the plurality of levels through the electrical wire and the electrode, and a second button arranged on the external surface of the body adjacent the first button, the second button operable activate and deactivate the flow of current to the electrode.

Evacuating fluid surrounding devices implanted in body

A method and kit for placing an implant in a patient. The method includes placing an implant consisting of at least one from the group consisting of an electronic device and an electromechanical device into a tissue cavity of the patient and evacuating fluid from the cavity and urging tissue surrounding the cavity to abut the implant.

FLUID COLLECTION ASSEMBLIES DEFINING WAIST AND LEG OPENINGS

Fluid collection assemblies and systems and methods of using the same are disclosed herein. An example fluid collection assembly includes a fluid impermeable barrier. The fluid impermeable barrier at least partially defines a waist opening and two leg openings. The waist opening and the two leg openings are configured to have a waist and two legs of an individual positioned therein, respectively. The fluid impermeable barrier also defines at least one fluid outlet. The fluid collection assembly further includes at least one porous material conforming to at least a portion of the fluid impermeable barrier. The porous material may be adjacent to the outlet defined by the fluid impermeable barrier. 1. A fluid collection assembly , comprising: a waist opening;', 'two leg openings; and', 'at least one fluid outlet; and, 'a fluid impermeable barrier at least partially definingat least one porous material generally conforming to at least a portion of the fluid impermeable barrier.2. The fluid collection assembly of claim 1 , wherein the at least one fluid outlet is configured to be located at or near a gravimetric low point of the fluid impermeable barrier when an individual wearing the fluid collection assembly is at least one of standing claim 1 , sitting claim 1 , or lying down.3. The fluid collection assembly of claim 2 , wherein the at least one fluid outlet includes a first fluid outlet at or near a portion of the fluid impermeable barrier adjacent to a perineum or genitalia of the individual.4. The fluid collection assembly of claim 2 , wherein the at least one fluid outlet includes a second fluid outlet at or near a portion of the fluid impermeable barrier adjacent to at least one of a perineum or an anus of the individual.5. The fluid collection assembly of claim 2 , wherein the at least one fluid outlet includes a third fluid outlet that is between the waist opening and an anus of the individual.6. The fluid collection assembly of claim 1 , wherein the at least ...

Powered Lavage Handle and Associated Use Therefore

A lavage handle for facilitating at least one of an irrigation function and a suctioning function at a target zone preferably includes a portable body, a power-operated fluid-displacing mechanism in communication with said body wherein said fluid-displacing mechanism has one of a first operating mode for inducing outward irrigation of fluid towards the target zone and a second operating mode for inducing inward suction of fluid from the target zone. An actuation mechanism is located at said body and operable communicated with said fluid-displacing mechanism such that said fluid-displacing mechanism is selectively operated in at least one of said first operating mode and said second operating mode. The actuation mechanism may include an irrigation-inducing mechanism and/or a suction-inducing mechanism. 1. A lavage handle for facilitating at least one of an irrigation function and a suctioning function at a target zone , said lavage handle comprising:a body;a fluid-displacing mechanism in communication with said body, said fluid-displacing mechanism having one of a first operating mode for inducing outward irrigation of fluid towards the target zone and a second operating mode for inducing inward suction of fluid from the target zone; andan actuation mechanism located at said body and operable communicated with said fluid-displacing mechanism such that said fluid-displacing mechanism is selectively operated in at least one of said first operating mode and said second operating mode.2. The lavage handle of claim 1 , wherein said actuation mechanism is disposed at least partially exterior of said body.3. The lavage handle of claim 2 , wherein said actuation mechanism comprises: a multi-pole toggle switch.4. The lavage handle of claim 2 , wherein said actuation mechanism comprises: at least one rheostat.5. The lavage handle of claim 2 , wherein said actuation mechanism comprises: a spring-resistive trigger.6. The lavage handle of claim 1 , wherein said actuation ...

COLON CLEANING SYSTEM WITH AUTOMATIC SELF-PURGING FEATURES

Systems and methods for cleaning a colon or other portion of an intestine include optional use of sensors to detect conditions of blockage of flow of materials within an evacuation channel used to remove fecal material from the body; and devices and methods for purging such blockages from the evacuation channel. 1. A colonoscope add-on system comprising:at least one bidirectional pressure source operable to supply distally directed pressure or proximally directed pressure;an add-on tube assembly comprising at least a first channel and a second channel in which flow is independently controlled by supplying pressure from said at least one bidirectional pressure source; anda controller configured to coordinate operation of said first channel and said second channel by selecting any one of the following operation modes:(a) a mode in which distally directed pressure is supplied through said first channel for purging and/or irrigating, and proximally directed pressure is supplied through said second channel for evacuating matter from the colon;(b) a mode in which distally directed pressure is supplied through said second channel for purging and/or irrigating, and proximally directed pressure is supplied through said first channel for evacuating matter from the colon; and(c) a mode in which proximally directed pressure is supplied through both said first channel and said second channel for evacuating matter from the colon at a higher rate.2. The system according to claim 1 , comprising at least two bidirectional pressure sources claim 1 , a first bidirectional pressure source supplying pressure to said first channel claim 1 , and a second bidirectional pressure source supplying pressure to said second channel.3. The system according to claim 1 , comprising at least two pressure sensors claim 1 , a first pressure sensor located inside said first channel and a second pressure sensor located inside said second channel.4. The system according to claim 3 , wherein said ...

Percutaneous Urinary Catheter

A percutaneous urinary catheter configured to be deployed in a urinary tract, including: (a) a proximal portion; and (b) a distal portion including a retention portion configured to be deployed in a kidney and/or a renal pelvis, the retention portion including one or more drainage holes leading to one or more lumen(s) within the proximal portion, wherein the retention portion, when deployed, defines a three-dimensional shape sized and positioned to maintain patency of fluid flow between the kidney and/or renal pelvis and a proximal end of the catheter by inhibiting mucosal tissue from appreciably occluding the one or more drainage holes when negative pressure is applied through the catheter. 2. The percutaneous urinary catheter of claim 1 , wherein the retention portion is configured to retain at least the distal portion of the catheter within the kidney and/or renal pelvis.3. The percutaneous urinary catheter of claim 1 , wherein a maximum outer diameter of the retention portion is greater than a diameter of a drainage lumen of the catheter.4. The percutaneous urinary catheter of claim 1 , wherein an area of a two-dimensional slice of the three-dimensional shape in a plane transverse to a central axis of the retention portion is greater than another slice of the three-dimensional shape in a plane transverse to a central axis of the retention portion towards a distal end of the retention portion.5. The percutaneous urinary catheter of claim 1 , wherein a maximum cross-sectional area of a two-dimensional slice of the three-dimensional shape in a plane transverse to a central axis of the retention portion is less than or equal to about 500 mm.6. The percutaneous urinary catheter of claim 1 , wherein the retention portion comprises a distal end sized to be positioned in the renal pelvis.7. The percutaneous urinary catheter of claim 1 , wherein the retention portion comprises at least a first coil having a first diameter and at least a second coil having a second ...

Complex Aqua Skin Peeling Machine

Proposed is a complex aqua skin peeling machine which allows for the use of a handpiece to supply hydrogen water to the skin of a user for removal of reactive oxygen species in the user's body. 1. A complex aqua skin peeling machine , comprising:a main body to which one or more solution containers containing functional cosmetic solutions of different ingredients are detachably coupled;a hydrogen water container coupled to the main body, and to which a hydrogen water module that generates hydrogen water by electrolyzing water therein upon application of electric power is coupled at a lower end thereof;an aqua handpiece including a connector portion connected to a first connection port of the main body, and a head portion to which an aqua tip is replaceably coupled, the aqua tip discharging to a user's skin a functional cosmetic solution for skin cleansing or nourishing supplied from any one of the solution containers and the hydrogen water supplied from the hydrogen water container to remove reactive oxygen species in a user's body, and suctioning the functional cosmetic solution used in skin treatment and skin impurities peeled off from the skin;a waste storage container removably mounted on a side of the main body, and in which the functional cosmetic solution used in skin treatment and the skin impurities peeled off from the skin, which are suctioned through the aqua tip, are stored; anda touch screen controlling an operation of the hydrogen water module, controlling opening and closing of a solenoid valve that controls supply of the functional cosmetic solutions and the hydrogen water to the aqua handpiece from the solution containers and the hydrogen water container, and controlling an operation of the aqua handpiece, in response to a touch input.2. The complex aqua skin peeling machine of claim 1 , further comprising:at least one functional handpiece connected to a second connection port of the main body, and activating cells by massaging the skin by ...

Wound therapy system with wound volume estimation

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

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 Medical Device System

The present invention provides an apparatus comprising a wound dressing connected to a fluid container via a pump, wherein the wound dressing is in communication with a mechanical pressure control valve, the fluid container is provided with an inlet and an outlet. Also provided are (i) flexible fluid containers comprising of at least two layers of film with an integrated vent, (ii) wound dressings and (iii) a multi-compartment wound fluid container comprising at least two internal compartments and provided with an outlet and an inlet, in which the container comprises a microporous fluid separator which divides the at least two internal compartments, wherein the microporous fluid separator permits gas flow between the compartments and prevents fluid flow to the outlet of the container. Other apparatus provided comprises a means for detecting the level of fluid within a multi-compartment wound fluid container as described. The invention also provides a system for applying a sub-atmospheric pressure to a wound dressing on a patient using devices and apparatus of the invention and methods of treatment of wounds using such apparatus, devices and systems of the invention.

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.

NEGATIVE PRESSURE WOUND THERAPY DEVICE CONTROL IN PRESENCE OF FAULT CONDITION

Embodiments of negative pressure wound therapy systems and methods are disclosed. In one embodiment, an apparatus includes a wound dressing, negative pressure source, switch, interface element, and control circuitry. The negative pressure source, switch, and interface element can be disposed on or within the wound dressing. The control circuitry can be in a first or second mode. In the first mode, the control circuitry can cause supply of negative pressure in response to a first user input via the switch when the negative pressure source is not supplying negative pressure and prevent supply of negative pressure in response to the first user input while the negative pressure source is supplying negative pressure, and the control circuitry can change from the first mode to a second mode in response to a second user input via the interface element. In the second mode, the control circuitry can disable supply of negative pressure. 120-. (canceled)21. An apparatus for applying negative pressure to a wound , the apparatus comprising:a wound dressing configured to be placed over a wound of a patient;a negative pressure source disposed on or within the wound dressing and configured to supply negative pressure to the wound via a fluid flow path;a switch;a control circuitry configured to control activation and deactivation of the negative pressure source responsive to user inputs to the switch;a first electrical connector configured to selectively, responsive to a connection state of the first electrical connector, prevent or permit activation of the negative pressure source; anda second electrical connector different from the first electrical connector and configured to selectively, responsive to a connection state of the second electrical connector, disrupt or not disrupt a power supply which facilitates delivery of negative pressure by the negative pressure source.22. The apparatus of claim 21 , wherein the first electrical connector is configured to prevent activation of ...

Systems and Methods to Facilitate the Non-Surgical Management of Obstructive Urolithiasis

The present invention discloses systems and methods for use in the treatment and management of obstructive urolithiasis. A coupling device between a nephrostomy tube and external fluid and control connections may be used in some embodiments of the present invention. This coupling device may provide a quick connection between the nephrostomy tube and a reservoir for irrigation and a collection container for drainage of the kidney. In some embodiments, a triple lumen nephrostomy tube may be used to house an irrigation catheter for irrigation of the patient's kidneys and a ureteral modulation wire and enable drainage of fluid from the kidneys. The ureteral modulation wire may be inserted into the patient's ureter through the kidney in conjunction with the nephrostomy tube. A harness system is also disclosed that may be used in conjunction with the coupling device and the triple lumen nephrostomy tube to enable a patient to independently control irrigation and drainage of the kidney. 1. A medical device for use with a patient's urinary tract , comprising:a coupling device that comprises a first connection interface that is configured to be connected to a nephrostomy tube that is configured to be medically inserted into a kidney of said patient, and a second connection interface that is configured to be connected to an irrigation unit that is configured to hold a liquid;an irrigation catheter that is configured to be controlled by said coupling device to adjust a flow of said liquid to said kidney of said patient, wherein at least a portion of said irrigation catheter is further configured to be housed in said nephrostomy tube; andan irrigation valve that is configured to control said flow of said liquid through said irrigation catheter.2. The medical device of wherein said coupling device further comprises a third connection interface that is configured to be connected to a drainage unit that is configured to enable urine from said kidney of said patient to drain into ...

Controlling of multiple pumps

An apparatus for controlling vacuum pressure is provided. The apparatus includes a multiple axis controller, such as a dual axis footpedal, and a processing apparatus, such as an instrument host running software, configured to receive multiple axis data from the multiple axis controller. The apparatus also includes a first pump configured to provide nonzero fluid pressure at a first nonzero fluid pressure level based on a first axis state of the multiple axis controller and a second pump configured to provide nonzero fluid pressure at a second nonzero fluid pressure level based on a second axis state of the multiple axis controller. The processing apparatus causes switching between the first pump and the second pump based on the first axis state and the second axis state of the multiple axis controller.

Methods and systems for providing control stability in a vacuum generation system using cascade proportional-integral-derivative (pid) controller

Certain embodiments provide a vacuum generation system with a cascade PID controller, a proportional valve, and a vacuum generator. The cascade PID controller allows the vacuum generation system to control the operating range of supply air pressure that is provided to the vacuum generator. By controlling the operating range of the supply air pressure, the vacuum generation system is able to avoid entering the decreasing or non-monotonic region of the vacuum generator.

SYSTEM AND METHOD FOR ASEPTIC COLLECTION OF MAMMALIAN AMNIOTIC FLUID

A system for aseptic collection of mammalian amniotic fluid. The system includes a cannula having an attachment end and external end. The attachment end provides a concentric opening to a hollow chamber disposed about a central passage. The hollow chamber has a port disposed adjacent to the external end permitting at least a partial suction to be established within the hollow chamber, the attachment end thereby suctionally attached to a surface when the attachment end is disposed upon the surface. The central passage provides access to a central portion of the surface surrounded by the concentric opening of the hollow chamber. An extraction needle is disposed within the central passage of the cannula and presented to the central portion of the surface. The extraction needle penetrates the central portion of the surface and extracts amniotic fluid there beneath. An associated method of use is also provided. 1. A system for aseptic collection of mammalian amniotic fluid , comprising:a cannula having an attachment end and external end, the attachment end providing a concentric opening to a hollow chamber disposed about a central passage, the hollow chamber having a port disposed adjacent to the external end, the port structured and arranged to permit at least a partial suction to be established within the hollow chamber, the attachment end thereby suctionally attached to a surface when the attachment end is disposed upon the surface;the central passage providing access to a central portion of the surface surrounded by the concentric opening of the hollow chamber; andan extraction needle to be disposed within the central passage of the cannula and presented to the central portion of the surface, the extraction needle structured and arranged to puncture the central portion of the surface and extract amniotic fluid there beneath.2. The system of claim 1 , further including a fluid reservoir in fluid connection with the extraction needle.3. The system of claim 1 , wherein ...

Low Acuity Dressing With Integral Pump

Systems, assemblies, and methods for providing negative-pressure therapy to a tissue site are described. The system can include an absorbent and a sealing layer configured to cover the absorbent. The system can also include a blister fluidly coupled to the absorbent. The blister may have a collapsed position and an expanded position. A first check valve may be fluidly coupled to the absorbent and the blister and configured to prevent fluid flow from the blister into the absorbent if the blister is moved from the expanded position to the collapsed position. A second check valve may be fluidly coupled to the blister and the ambient environment and configured to prevent fluid flow from the ambient environment into the blister if the blister is moved from the collapsed position to the expanded position. 131.-. (canceled)32. A dressing assembly for providing negative-pressure therapy to a tissue site , the dressing assembly comprising;a pouch;a cover configured to cover the pouch;a negative-pressure source having resilient walls fluidly coupled to the pouch, the negative-pressure source having a first position and a second position;a first check valve fluidly coupled to the pouch and the negative-pressure source and operable to prevent fluid flow from the negative-pressure source into the pouch if the negative-pressure source is moved from the second position to the first position; anda second check valve fluidly coupled to the negative-pressure source and the ambient environment and configured to prevent fluid flow from an ambient environment into the negative-pressure source if the negative-pressure source is moved from the first position to the second position.33. The dressing assembly of claim 32 , wherein:the pouch is coupled to the cover, the cover having a periphery extending beyond an edge of the pouch;the negative-pressure source is coupled to the cover; andthe dressing assembly further comprises a tube fluidly coupling the pouch to the negative-pressure source ...

Pressure-Operated Switch

Systems, methods, and apparatuses for regulating the delivery of negative-pressure therapy are described. The system includes a negative-pressure source, an energy source, and a switch. The switch can include a first conductor electrically coupled to the negative-pressure source, a second conductor electrically coupled to the energy source, and a diaphragm having a first position electrically coupling the first conductor to the second conductor and a second position separated from the first conductor and the second conductor. The diaphragm is configured to move between the first position and the second position in response to a differential between a control pressure and a therapy pressure. 139.-. (canceled)40. A regulator for controlling negative-pressure therapy , the regulator comprising:a supply chamber adapted to be fluidly coupled to a dressing;a charging chamber configured to be fluidly coupled to a negative-pressure source and to the supply chamber through a port;a first terminal configured to be electrically coupled to the negative-pressure source;a second terminal configured to be electrically coupled to an energy source; anda membrane coupled to the charging chamber and operable to conduct electricity disposed proximate to the first terminal and the second terminal, the membrane having a first position electrically coupling the first terminal to the second terminal and a second position separated from the first terminal and the second terminal, the membrane operable to reciprocate between the first position and the second position to control operation of the negative-pressure source and fluid communication through the port based on a differential between an ambient pressure and a therapy pressure.41. The regulator of claim 40 , further comprising a third terminal disposed on the membrane and proximate to the first terminal and the second terminal.42. The regulator of claim 40 , further comprising:a housing forming a chamber and having a fluid inlet, a ...

Therapy apparatus with integrated fluid conductors and noise attenuation

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

Medical Tube

A medical tube 10 (drain tube 10 ) includes a main shaft tube 20 , a flow path opening/closing mechanism 40 , and a branch tube 30 . The main shaft tube 20 internally has a main shaft side distal opening 21 a and a main shaft lumen 21 . The flow path opening/closing mechanism 40 brings the main shaft lumen 21 into a communicating state by applying pressure smaller than predetermined pressure, and brings the main shaft lumen 21 into a blocked state by applying pressure equal to or greater than the predetermined pressure. The branch tube 30 promotes a pancreatic juice pj to flow into a branch lumen 31 , based on the applied pressure which is equal to or greater than the predetermined pressure.

Wound exudate monitor accessory

A stand-alone system for assessing wound exudates from the wound of a patient is described. The system contains functionality to detect, process and report various wound parameters. The system also may make treatment determinations based on these findings. The system may detect one or more physiological values of the wound exudates from the wound of the patient. The system may also compare detected physiological values to predetermined physiological values, in order to obtain a comparison result in real time. The system may include a processor ( 15 ) which provides an electronic signal based on the comparison result in which the electronic signal may corresponds to guidelines for treating the wound ( 3 ). The system described may be an accessory, which may be used on its own, or in conjunction with other wound treatment devices ( 9 ).

MULTIFUNCTIONAL CENTRAL SUCTION SYSTEM CAPABLE OF REMOTE MONITORING

A multifunctional central suction system capable of remote monitoring includes a flow measurement device and a controller, wherein a negative pressure port of the flow measurement device is connected to a negative pressure air nozzle of the controller via a gas pipe; the flow measurement device includes a measurement mechanism and a liquid bottle; the negative pressure port is arranged on the liquid bottle; a first Bluetooth communication module is provided on the measurement mechanism; a communication module is provided in the controller; the communication module includes a second Bluetooth communication module and a WiFi communication module; and the first Bluetooth communication module on the measurement mechanism is in communication connection with the second Bluetooth communication module in the controller. 1. A multifunctional central suction system capable of remote monitoring , comprising a flow measurement device and a controller , wherein a negative pressure port of the flow measurement device is connected to a negative pressure air nozzle of the controller via a gas pipe , the flow measurement device comprises a measurement mechanism and a liquid bottle , the negative pressure port is arranged on the liquid bottle; the measurement mechanism is provided with a first Bluetooth communication module , a communication module comprising a second Bluetooth communication module and a WiFi communication module is provided in the controller; the first Bluetooth communication module on the measurement mechanism is in communication connection with the second Bluetooth communication module in the controller.2. The multifunctional central suction system according to claim 1 , wherein the measurement mechanism of the flow measurement device comprises a base claim 1 , a weighing monitoring unit claim 1 , a bracket and a battery claim 1 , the weighing monitoring unit is powered by a battery arranged in the base claim 1 , a weighing sensor of the weighing monitoring unit ...

Pressure control in phacoemulsification system

A surgical system comprises a pressurized irrigation fluid source; an irrigation line fluidly coupled to the pressurized irrigation fluid source; a hand piece fluidly coupled to the irrigation line; an irrigation pressure sensor located at or along the pressurized irrigation fluid source or irrigation line; and a controller for controlling the pressurized irrigation fluid source. The controller controls the pressurized irrigation fluid source based on a reading from the irrigation pressure sensor and an estimated flow value modified by a compensation factor.

Ear visualization and treatment system

A device for visualizing and providing suction for a surgical procedure in an ear may include a handle, a main shaft extending from the handle, an imaging sensor at a distal end of the main shaft, a light source at the distal end of the main shaft, and a suction shaft extending from the handle. The device may also include a spring coupled with the suction shaft and/or the handle, such that when the suction shaft is advanced in a distal direction and then released, the suction shaft retracts automatically. The suction shaft may have a distal curved portion, and the device may have a thumb depress portion that allows a user to spin the suction shaft to suction in different directions. Some embodiments may include a suction shaft with a sharp distal tip that is configured for placing an ear tube in the tympanic membrane.

Suction catheter systems for applying effective aspiration in remote vessels, especially cerebral arteries

A suction catheter system is described with a suction extension interfaced with a guide catheter to form a continuous suction lumen extending through a portion of the guide catheter and through the suction extension. The suction extension can be positioned by tracking the suction nozzle through a vessel while moving a proximal portion of the suction extension within the lumen of the guide catheter. The suction extension can comprise a connecting section with a non-circular cross section for interfacing with the inner lumen of an engagement section of the guide catheter. The tubular body of the guide catheter can have a reduced diameter distal section the can be useful to restrain the movement of the suction extension. Proximal fittings attached to the guide catheter can facilitate safe removal of the catheter system from the patient by allowing for the removal of some or all of a tubular extension of the suction extension from the guide catheter behind a hemostatic seal. Pressure sensors connected to the proximal fittings can help to guide the procedures with reduced risk of embolizing thrombus.

Suction regulator having four modes of operation

A suction regulator arranged to be coupled to a source of partial vacuum and a patient circuit and which is operative in four modes is disclosed. A first mode isolates the source of partial vacuum from the patient. A second mode provides continuous regulated suction to the patient. A third mode provides intermittent regulated suction to the patient. The fourth mode provides unregulated full suction to the patient. The regulator includes a movable control knob for establishing the first, second, third and fourth modes and a detent mechanism holding the control knob in the position to select the desired mode. An interlock is also provided to prevent the control knob from being accidentally moved to the position establishing the unregulated full suction mode.

Phacoemulsification hand piece with integrated aspiration and irrigation pump

A method of irrigating a surgical site and aspirating fluid from the surgical site. The method includes directing a fluid through an aspiration conduit in a phacoemulsification hand piece using a vacuum pressure created from a pump in the hand piece interfacing with the aspiration conduit and directing an irrigation fluid through an irrigation conduit in the hand piece using a pressure created from the pump interfacing with the irrigation conduit. The method also includes increasing an irrigation fluid flow through the irrigation conduit by activating the pump in the hand piece, detecting a pressure associated with a surgical site using a sensor, and controlling intraocular pressure (IOP) by adjusting the pump speed based on the detected pressure.

Manual Flow Regulation for Blood Collection

A specimen collection assembly ( 100 ) including a flow control member ( 106 ) for adjustably altering a flow path is disclosed. In one configuration, the flow control member ( 106 ) defines a regulation channel ( 166 ) in fluid communication with a lumen of a cannula ( 112 ), wherein the flow control member ( 106 ) is configured to adjustably alter an effective flow distance between the lumen of the cannula ( 112 ) and an interior of an evacuated collection container. In another configuration, the flow control member ( 106 ) is positioned to vary an effective cross-sectional area of at least one of an inlet port ( 346 ) and an outlet port ( 350 ) adapted to be in fluid communication with the lumen and the evacuated collection container.

Intelligent Intracranial Hematoma Removal and Drainage System

Disclosed is an intelligent intracranial hematoma removal and drainage system, including: an information input module, an information detection module, an intelligent module and a hematoma removal and drainage module, wherein the information input module is used for collecting preoperative data and transmitting the collected preoperative data to the intelligent module; the information detection module is used for acquiring intracranial data monitored in real time and transmitting the monitored intracranial data to the intelligent module; the intelligent module is used for receiving the data from the information input module and the information detection module, analyzing the received data to make a determination, and converting the determination into an instruction signal and transmitting the same to the hematoma removal and drainage module; and the hematoma removal and drainage module is used for receiving an instruction from the intelligent module to remove and drain intracranial hematomas, and feeding data after removal and drainage back to the intelligent module. The intelligent intracranial hematoma removal and drainage system provides corresponding bases for all treatment operations, and all signals are detected in real time, thereby ensuring the real-time monitoring of key information of a patient during an intracranial hematoma treatment process, such that all the treatment operations on the patient are controllable and precise. 1. An intelligent intracranial hematoma removal and drainage system , comprising an information input module , an information detection module , an intelligent module and a hematoma removal and drainage module , whereinthe information input module is used for collecting preoperative data and transmitting the collected preoperative data to the intelligent module;the information detection module is used for acquiring intracranial data monitored in real time and transmitting the monitored intracranial data to the intelligent module;the ...

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.

Disposable reduced-pressure therapy system with mechanical feedback

Systems, methods, and apparatuses for providing feedback for reduced-pressure treatment of a tissue site are described. A regulator may include a supply chamber fluidly coupled to the 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 therapy pressure. The feedback system may include one or more mechanical feedback interfaces fluidly coupled to the regulator to provide a signal of at least one of an application of reduced-pressure therapy, a leak condition, a blockage condition, and a canister full condition.

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.

CROSS VALVE

A two-component cross valve for controlling the fluid flow through a fluid conduit, the cross valve being injection-molded in two steps with no need for assembly after the injection molding procedure. The valve comprises a valve house with a plug inside it, and it has sealing means in the form of variations in the transverse sectional area of the plug and house along their lengths. Thereby, a cross valve is obtained which does not require a viscous sealant, such as silicone, to eliminate the risk of leakage, when the valve is open.

Automatically pulsing different aspiration levels to an ocular probe

Methods and systems for automatically pulsing different aspiration levels to an ocular probe are disclosed. The probe may be a phacoemulsification probe. A first aspiration level, supplied by a first pump, may be applied to the probe simultaneously with ultrasonic energy. A second aspiration level, supplied by a second pump, may be automatically switched from the first aspiration level, and applied to the probe in a pulsed manner.

PINCH VALVE MECHANISM

A pinch valve mechanism for use in a suction/irrigator device, wherein the device has a conduit for suction/irrigation. The pinch valve mechanism includes a first end having a first projection, a second end, operatively connected to the first end and a second projection. A spring means operatively connected to the second end, wherein the conduit is disposed between the first end and the second end such that the first projection and second projection are biased to pinch the conduit into a closed position. Compression of the spring means moves the first end away from the second end to move the conduit into an open position. 17-. (canceled)9. The pinch valve mechanism of claim 8 , wherein the spring force has a range between about 5 and about 30 Newtons.10. The pinch valve mechanism of claim 8 , wherein the shore hardness of the at least one conduit is between about 30 and about 60 Shore A.11. The pinch valve mechanism of claim 8 , wherein the diameter of the conduit is between about 3 millimetres and about 15 millimetres.12. The pinch valve mechanism of claim 8 , wherein the thickness of the at least one conduit is between about 0.2 millimetres and about 4 millimetres.13. The pinch valve mechanism of claim 8 , wherein the first and second projections have respective first and second ends claim 8 , where the first and second ends are formed in different shapes to compress the at least one conduit claim 8 , the shapes including any one or a combination of:a. pointed in a V-shape;b. an inverse V-shape;c. curved or rounded; and,d. flattened.14. The pinch valve mechanism of claim 8 , wherein a pressure exerted on the button is minimised by having a proportionally larger button surface area compared to a valve area. The present invention relates to a pinch valve mechanism. In particular, the present invention relates to a pinch valve mechanism for a medical device, such as a suction/irrigator device.The following references to and descriptions of prior proposals or products ...

Apparatus, system and method for controlling the position of and providing suction in a surgical catheter or guide

Systems and methods are disclosed that include a guide catheter apparatus insertable through an external body passage of a subject. The guide catheter apparatus includes a substantially rigid shaft and a handle. The shaft has a proximal opening, a distal opening, and a lumen extending between the proximal opening and the distal opening. The handle has a structure to allow a position of the guide catheter to be controlled by some or all of three fingers of one hand of an operator of the handle. The structure of the handle is adapted to permit the operator to position a thumb and index finger of the hand to manipulate a working device inserted into the lumen of the guide catheter, where the working device is manipulable via a portion of the working device immediately adjacent to the handle.

Outflow collection vessels, systems, and components thereof for hysteroscopic surgical procedures

A collection system for collecting outflow from a hysteroscopic surgical procedure includes a plurality of collection vessels each including a flexible body defining an internal volume and transitionable between a collapsed configuration and an expanded configuration. The collection system further includes connection tubing coupling adjacent collection vessels with one another, outflow tubing coupled to at least one of the collection vessels, and a plurality of retention canisters. Each retention canister includes a rigid body. Each collection vessel is configured to engage a corresponding retention canister such that each rigid body at least partially receives one of the flexible bodies therein.

Valve mechanism for suction and irrigation instruments

A valve mechanism for a suction instrument or an irrigation instrument is disclosed, which comprises: a valve object; a first piston moveably disposed in the valve object; a second piston moveably disposed in the valve object; and a piston buckling unit pivoting on an outside of the valve object. When the first piston is pressed, the first piston moves downward and a first buckle on the first piston is fixed on a third buckle of the piston buckling unit to open an irrigating pathway; and when the second piston is pressed, the second piston moves downward and a second buckle on the second piston is fixed on another third buckle of the piston buckling unit to open a suction pathway.

Apparatus, system and method of providing custom vacuum and aspiration in a surgical system

An apparatus, system and method for providing a may include at least a phacoemulsification surgical console having a customizable non-linear custom aspiration mode. The console may include at least an aspirator; a foot pedal; and a non-transitory computing code resident on a computing memory associated with a computing processor which, when executed by the processor, causes to be executed the steps of: receiving a percentage actuation of the foot pedal; calculating, including from a non-linear algorithm, a percentage actuation for the aspirator corresponded to the received percentage foot pedal actuation; and dictating the calculated percentage aspirator actuation to the aspirator.

EXHAUST BLOCKAGE DETECTION FOR NEGATIVE PRESSURE WOUND TREATMENT APPARATUSES

A negative pressure wound therapy apparatus can include a source of negative pressure configured to aspirate fluid from a wound covered by a wound dressing, a first pressure sensor configured to measure pressure downstream of the source of negative pressure, and a controller configured to, in response to a determination that pressure measured by the first pressure sensor satisfies a threshold indicative of a first blockage downstream of the source of negative pressure, provide an indication of the first blockage. The system can further include a second pressure sensor configured to measure pressure upstream of the source of negative pressure and the controller can be further configured to, in response to a determination that pressure measured by the second pressure sensor satisfies a threshold indicative of a second blockage upstream of the source of negative pressure, provide an indication of the second blockage. 1. A negative pressure wound therapy system comprising:a wound dressing configured to be placed over a wound, the wound dressing configured to absorb fluid;a source of negative pressure disposed on or within the wound dressing, the source of negative pressure configured to aspirate fluid from the wound;a vent configured to allow gas aspirated by the source of negative pressure to flow outside the system;a pressure sensor at least partially disposed on or within the wound dressing proximal to the vent; and 'in response to a determination that pressure measured by the pressure sensor satisfies a threshold indicative of blockage in the vent, provide an indication that the vent is blocked.', 'a controller disposed on or within the wound dressing, the controller configured to2. The system of claim 1 , further comprising a chamber at least partially disposed on or within the wound dressing claim 1 , the chamber housing the pressure sensor and comprising the vent through a wall of the chamber.3. The system of claim 1 , wherein the controller is further configured ...

Pump Unit for Medical Purposes

A pump unit comprises at least one improved valve in which a non-ball-shaped valve closing member is reliably held in a support structure and in which the support structure is surrounded by a flow on the outside. A shank of the valve closing member is held in a pocket-shaped receptacle of the support structure such that the valve closing member is reliably held in place. The shank is located in a receptacle through which no flow passes that is formed in the support structure. The pump unit may be provided with two cylinders that are arranged in a horizontally lying manner and with one valve arranged vertically above the other. The second valve assigned to the outlet channel may be arranged directly adjacent to a cylinder wall at the vertically highest point thereof to simplify venting of the pump unit. 110. A pump unit () , comprising:{'b': 11', '12', '21, 'at least one cylinder (, ) with a piston () displaceably supported therein;'}{'b': 25', '11', '12', '27', '32', '38, 'a first channel () connected with the at least one cylinder (, ) in which a first valve () is arranged having a first valve closing member (′) assigned to a first valve seat (′); and'}{'b': 26', '11', '12', '28', '32', '38, 'a second channel () connected with the at least one cylinder (, ) in which a second valve () is arranged having a second valve closing member () assigned to a second valve seat ();'}{'b': 32', '32', '34', '40', '40', '38', '38', '40, 'wherein at least one of the valve closing members (, ′) comprises an elastic shank section () that is disposed in a shank support structure (), wherein the shank support structure () is positioned opposite from the corresponding valve seat (, ′) and configured such that no flow can pass through the shank support structure ().'}23232. The pump unit according to claim 1 , wherein at least one of the valve closing members ( claim 1 , ′) is seamlessly monolithically formed of an elastic material.33232423838. The pump unit according to claim 1 , ...

Devices and methods for managing chest drainage

Disclosed is a chest drainage system which reduces or eliminates pooling of blood/liquid and/or clogging/clotting in the drainage tube and/or chest tube, and provides objective and accurate measures of drained fluid volume and chest air leak. The chest drainage system continuously monitors chest tube and drainage tube status and clears pooled liquid in the drainage tube, and/or a clogged chest tube when necessary to restore negative pressure to the chest.

Chest drainage systems and methods

A chest drainage system including a collection device configured to receive fluid from the pleural cavity of a patient. A sensor is included to detect a pressure differential in the fluid. A display is configured to display a trend in occurrences of changes in pressure of the fluid over time in predetermined time increments based on a number of detections of pressure differentials that exceed a predetermined pressure differential during each of the predetermined time increments. The trend is correlative to the percentage of time that the patient is deemed to have an air leak in the pleural cavity in the predetermined time increments. The trend is derived from a ratio of the quantity of respiratory cycles of the patient for which the predetermined pressure differential is detected (QRC leak ) in the predetermined time increments to the total quantity of respiratory cycles of the patient in respective predetermined time increments (QRC total ).

Sustained variable negative pressure wound treatment and method of controlling same

Disclosed herein are systems and methods for providing reduced or negative pressure, and more particularly cyclical reduced pressure, to treat a wound. The system can include a wound dressing, a fluid collection container, a suction source, filters, and conduits. In addition, the system can include a control device and sensors. The sensors may be configured to monitor certain physiological conditions of a patient such as temperature, pressure, blood flow, blood oxygen saturation, pulse, cardiac cycle, and the like. Application of cyclical reduced pressure between two or more values below atmospheric pressure may be synchronized with the physiological conditions monitored by the sensors. Certain embodiments of the system utilize an air reservoir and one or more valves and pressure sensors or gauges to allow for rapid cycling of the level of reduced pressure within the wound dressing between two or more reduced pressure values.

Medical device and medical device system

A medical device, a medical device system and a monitor are provided. The medical device is provided with an audio acquisition apparatus and a processor. A user can operate, by means of a voice, the medical device to execute a medical process including several medical actions. Specifically, the user inputs a voice signal carrying a medical process instruction to the medical device. After acquiring the voice signal, the audio acquisition apparatus sends the voice signal to the processor, the processor determines the corresponding medical actions for the medical process instruction in the voice signal according to a preset correspondence between the medical process instruction and the medical actions, and controls execution of the medical actions. Hence, the user can operate the medical device by using the voice, without manually performing a contact operation, so that the operating method is more efficient and convenient.

Apparatus including a conduit claimping device

An apparatus comprising a conduit clamping device with a closing mechanism for closing and opening passage of fluid or air in a flexible conduit is disclosed. The apparatus comprises a movable arm or disk that is connected to a manipulation arm or a knob; a conduit in form of a tube, that is laid flat against an abutment or protrusion; and a guide structure that constrains the movable arm or disk between the guide structure and the tube and being designed such that movement of the arm or disk will control the compression of the tube.

Aspiration Catheter

The invention relates to an aspiration catheter ( 1 ) for the extraction of thrombotic material from blood vessels, with a first ( 3 ) and a second lumen ( 6 ), wherein the first lumen ( 3 ) is distally provided with an aspiration opening ( 5 ) and the second lumen ( 6 ) of smaller cross section than the first lumen ( 3 ) and extending coaxially in the distal region ( 2 ) of the first lumen ( 3 ) being provided with a lateral ( 7 ) as well as distally located opening ( 8 ), said lateral opening ( 7 ) reaching through the wall of the catheter. Within the first lumen ( 3 ) a stabilization wire ( 11 ) is movably arranged which terminates distally of the lateral opening ( 7 ) of the second lumen ( 6 ) but proximally of the aspiration opening ( 5 ) of the first lumen ( 3 ).

System for aspirating fluids from a body using negative pressure

A system for aspirating fluids from a body by means of negative pressure has: a drainage line for removing the fluid from the body, a fluid collection container connected to the drainage line and used to collect the aspirated fluid, a pump by which the negative pressure used to aspirate the fluid is generated in the drainage line, and an auxiliary line whose end near the body is in fluidic communication with an end, near the body, of the drainage line. In the system, a closed circuit is present or can be generated which interconnects this pump, the auxiliary line, the drainage line and the fluid collection container and through which air or a liquid can be pumped. This system prevents and removes obstructions in the drainage line and also permits a relatively accurate measurement of the negative pressure in the body cavity.