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公开(公告)号：US11864980B2
公开(公告)日：2024-01-09
申请号：US16717609
申请日：2019-12-17
Applicant: KCI Licensing, Inc.
Inventor： Christopher Brian Locke , Justin Alexander Long , Benjamin Locke , Benjamin Andrew Pratt , Thomas Alan Edwards , Timothy Mark Robinson
CPC classification number: A61F13/00068 , A61F13/00029 , A61F13/025 , A61F13/0216 , A61F13/0253 , A61M1/80 , A61M1/913 , A61M1/915 , A61M1/985 , A61F2013/00246 , A61M1/96
Abstract: In some illustrative examples, a bridge suitable for treating a tissue site may include a bridge sealing member and one or more bridge wicking layers. The bridge sealing member may extend along a length of the bridge, and may define an internal passageway in fluid communication between a receiving end of the bridge and a transmitting end of the bridge. The one or more bridge wicking layers may be disposed within the internal passageway of the bridge sealing member. Other apparatus, systems, and methods are disclosed.
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2.发明授权公开(公告)号：US11511033B2
公开(公告)日：2022-11-29
申请号：US16961828
申请日：2019-01-15
Applicant: KCI Licensing, Inc.
Abstract: Systems, apparatuses, and methods for providing negative pressure with instillation fluids to a tissue site are disclosed. Some embodiments are illustrative of an apparatus or system for delivering negative-pressure and/or therapeutic solution of fluids to a tissue site, which can be used in conjunction with sensing properties of fluids extracted from a tissue site and/or instilled at a tissue site. For example, a system may comprise a tissue interface adapted to be coupled to a source of instillation fluid and a dressing interface having a therapy cavity that includes a pH sensor, a humidity sensor, a temperature sensor, and a pressure sensor embodied on a single pad within the dressing interface to provide data indicative of acidity, humidity, temperature and pressure at the tissue site. Such apparatus may further comprise algorithms for processing such data for detecting leakage and blockage conditions as well as providing information relating to the progression of healing of wounds at the tissue site. An illustrative method may comprise disposing the tissue interface at the tissue site and the therapeutic cavity in fluid communication with the tissue interface. The method may further comprise instilling fluid to the therapy cavity and then sensing the pressure, humidity, temperature, and the pH of the fluids adjacent the tissue interface. The method may further comprise determining various flow characteristics of the system by using a processing element electrically coupled to the sensors for transmitting property signals from the sensors to a controller configured to assess the property signals in order to identify the flow characteristics.
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公开(公告)号：US11446049B2
公开(公告)日：2022-09-20
申请号：US16631794
申请日：2018-07-11
Applicant: KCI Licensing, Inc.
Inventor： Christopher Brian Locke , Benjamin Andrew Pratt , Thomas Alan Edwards
Abstract: A treatment system (100) for debriding an area of a tissue site is disclosed. In some embodiments, the system may include a debridement tool (122) which may be fluidly connected to a negative-pressure source (116) and a fluid source (118). The system may also include a control unit for interfacing with an operator and for regulating the application of negative pressure and delivery of treatment fluid to the debridement tool. The debridement tool may include multiple fluid conduits for delivering and removing fluid to and from the tissue site, as well as a brush (128) for assisting with the removal of necrotic tissue.
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公开(公告)号：US11266821B2
公开(公告)日：2022-03-08
申请号：US15874749
申请日：2018-01-18
Applicant: KCI Licensing, Inc.
Inventor： Benjamin Andrew Pratt , Christopher Brian Locke
Abstract: A system and method for providing fluid to a tissue site is described. The method fluidly couples an instillation therapy system to the tissue site and monitors a pressure supplied to the tissue site by a reduced-pressure source with the instillation therapy system for a time period. The method provides fluid to the tissue site with the instillation therapy system in response to the pressure at the tissue site during the time period. The system includes a pressure sensor fluidly coupled to the tissue site to measure a pressure proximate the tissue site. A valve and a flow meter are fluidly between a fluid reservoir and the tissue site. A controller is communicatively coupled to the pressure sensor and the valve and configured to monitor the pressure at the tissue site and a volume of fluid flow to the tissue and, in response, operate the valve.
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公开(公告)号：US11207458B2
公开(公告)日：2021-12-28
申请号：US15534124
申请日：2016-01-29
Applicant: KCI Licensing, Inc.
Inventor： Christopher Brian Locke , Benjamin Andrew Pratt
IPC: A61M5/00 , A61M1/00 , H01H35/34 , H01H35/26 , H01H35/40 , A61F13/00 , A61M39/24 , A61M25/00 , A61M31/00 , A61M25/16 , A61M39/02 , A61M27/00 , A61K9/02 , H01H35/28
Abstract: 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.
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Patent Agency Ranking
公开(公告)号：US10994062B2
公开(公告)日：2021-05-04
申请号：US16036357
申请日：2018-07-16
Applicant: KCI Licensing, Inc.
Inventor： Benjamin Andrew Pratt , Christopher Brian Locke
Abstract: Systems, apparatuses, and methods for instilling fluid to a tissue site in a negative-pressure therapy environment are described. Illustrative embodiments may include a pneumatically-actuated instillation pump that can draw a solution from a solution source during a negative-pressure interval, and instill the solution to a dressing during a venting interval. A pneumatic actuator may be mechanically coupled to a disposable distribution system that can provide a fluid path between the solution source and a distribution component. A bacterial filter may be disposed in the fluid path between the actuator and the distribution component to prevent contamination of the actuator during operation. The distribution system may be separated from the actuator and disposed of after operation, and the actuator may be re-used.
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公开(公告)号：US10765786B2
公开(公告)日：2020-09-08
申请号：US15902613
申请日：2018-02-22
Applicant: KCI Licensing, Inc.
Inventor： Benjamin Andrew Pratt , Colin John Hall , Christopher Brian Locke , Elliott James Rider , Gareth Stephenson
Abstract: A system and apparatus for treating a tissue site with reduced pressure and collecting fluids from the tissue site is disclosed. The system may include a reduced-pressure source, a pouch in fluid communication with the reduced pressure source, and a dressing in fluid communication with the pouch. The pouch may include a first wall, a second wall having a periphery coupled to the first wall to form an interior, and a third wall extending through the interior to form a first chamber in fluid communication with the dressing and a second chamber in fluid communication with the reduced pressure source. A plurality of filters are positioned in the third wall. The filters permit fluid communication between the first chamber and the second chamber.
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公开(公告)号：US20180177930A1
公开(公告)日：2018-06-28
申请号：US15902613
申请日：2018-02-22
Applicant: KCI Licensing, Inc.
Inventor： Benjamin Andrew Pratt , Colin John Hall , Christopher Brian Locke , Elliott James Rider , Gareth Stephenson
IPC: A61M1/00
CPC classification number: A61M1/0094 , A61M1/0001 , A61M1/0015 , A61M1/0052 , A61M1/0088 , A61M1/0096 , A61M2205/21 , A61M2205/7536 , Y10T29/49826
Abstract: A system and apparatus for treating a tissue site with reduced pressure and collecting fluids from the tissue site is disclosed. The system may include a reduced-pressure source, a pouch in fluid communication with the reduced pressure source, and a dressing in fluid communication with the pouch. The pouch may include a first wall, a second wall having a periphery coupled to the first wall to form an interior, and a third wall extending through the interior to form a first chamber in fluid communication with the dressing and a second chamber in fluid communication with the reduced pressure source. A plurality of filters are positioned in the third wall. The filters permit fluid communication between the first chamber and the second chamber.
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公开(公告)号：US20150224239A1
公开(公告)日：2015-08-13
申请号：US14656458
申请日：2015-03-12
Applicant: KCI Licensing, Inc.
Inventor： Benjamin Andrew Pratt , Kingsley Robert George Flower , Richard Daniel John Coulthard , Michael Bernard Beasley , Daniel Evans
CPC classification number: A61M1/0088 , A61M1/0031 , A61M1/0058 , A61M1/0084 , A61M3/0233 , A61M35/00 , A61M2205/15 , A61M2205/3334 , A61M2205/3344
Abstract: 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.
Abstract translation: 提供了用于将流体输送到伤口治疗敷料的系统和方法。 在示例性实施例中，压力源向伤口敷料提供负压，并且偏压机构向流体储存器提供正压力。
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公开(公告)号：US11771815B2
公开(公告)日：2023-10-03
申请号：US16584523
申请日：2019-09-26
Applicant: KCI Licensing, Inc.
Inventor： Benjamin Andrew Pratt , James Killingworth Seddon , Christopher Brian Locke , David Richard Mercer , Loren Francis
CPC classification number: A61M1/72 , A61M1/15 , A61M1/71 , A61M1/74 , A61M1/77 , A61M1/80 , A61M1/962 , A61M1/60 , A61M1/64 , A61M2207/00 , B29L2031/753
Abstract: 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.
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