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371.发明申请公开(公告)号：US20210402078A1
公开(公告)日：2021-12-30
申请号：US17471755
申请日：2021-09-10
Applicant: KCI LICENSING, INC.
Inventor： Justin Alexander LONG , Christopher Brian LOCKE , Timothy Mark ROBINSON , Richard COULTHARD
Abstract: This disclosure includes wound dressings and systems for effluent management of topical wound therapy and related methods. Some devices, which are configured to dilute therapeutic gas effluent flowing from a dressing, comprise a therapeutic gas source configured to provide therapeutic gas to the dressing; a container comprising a sidewall that defines a chamber configured to receive therapeutic gas effluent from the dressing; a negative pressure source configured to be coupled to the container such that the negative pressure source can be activated to draw fluid from the dressing through the chamber of the container; and a diluent gas source configured to deliver a diluent gas to dilute therapeutic gas effluent before the therapeutic gas effluent enters the negative pressure source.
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公开(公告)号：US11207442B2
公开(公告)日：2021-12-28
申请号：US16263178
申请日：2019-01-31
Applicant: KCI Licensing, Inc.
Inventor： Christopher Brian Locke , Brian Andrews , Timothy Mark Robinson
IPC: A61F13/02 , A61M1/00 , A61L15/18 , A61F13/00 , G05B19/418 , A61L15/26 , A61L15/44 , A61L15/60 , A61L15/24 , A61L15/28 , A61L15/22 , A61L15/42
Abstract: Systems, methods, and apparatuses for increasing liquid absorption are described. Some embodiments may include a dressing having an absorbent layer containing super-absorbent material as well as ionic-exchange media (IEM). In some embodiments, the absorbent layer may include absorbent fibers. The absorbent fibers may each include a super-absorbent core surrounded by a water-permeable layer onto which ionic-exchange media (IEM) may be grafted. As liquid comes into contact with the IEM, its ionic nature may be reduced, therefore protecting the absorbent qualities of the super-absorbent material.
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公开(公告)号：US20210370043A1
公开(公告)日：2021-12-02
申请号：US17404484
申请日：2021-08-17
Applicant: KCI Licensing, Inc.
Inventor： James A. LUCKEMEYER , Timothy Mark ROBINSON , Christopher Brian LOCKE
Abstract: A system is described herein that can irrigate a tissue site using negative-pressure. The system may include a tissue interface configured to be placed adjacent to the tissue site, and a sealing member configured to be placed over the tissue interface to form a sealed space. The system may also include a negative-pressure source configured to be fluidly coupled to the sealed space and a fluid source. The system may further include an irrigation valve. The irrigation valve can have a fluid inlet configured to be fluidly coupled to the fluid source. The irrigation valve can also have a fluid outlet configured to be fluidly coupled to the sealed space. The irrigation valve may also include a clamp configured to be actuated by the negative-pressure source to regulate fluid flow from the fluid source through the fluid outlet.
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374.发明授权公开(公告)号：US11167074B2
公开(公告)日：2021-11-09
申请号：US16080353
申请日：2017-01-31
Applicant: KCI Licensing, Inc.
Inventor： Timothy Mark Robinson , Christopher Brian Locke , James A. Luckemeyer
Abstract: Systems, apparatuses, and methods for utilizing a dressing having a single manifold fluidly coupled to at least two therapy units in a negative-pressure therapy and/or instillation therapy environment as set forth herein. In one example embodiment wherein the therapy system comprises two therapy units, apparatus and methods may be utilized for alternately applying pressure or fluids to a single tissue site to more quickly remove large amounts of fluid from the tissue site.
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公开(公告)号：US20210275737A1
公开(公告)日：2021-09-09
申请号：US17259273
申请日：2019-07-10
Applicant: KCI LICENSING, INC.
Inventor： Christopher B. LOCKE
IPC: A61M1/00
Abstract: A wound therapy system includes a canister configured to contain fluid removed from a wound site, a primary conduit having a first end coupled to the canister and a second end coupled to the wound site, and a pump fluidly coupled to the wound site via the primary conduit. The pump is configured to apply negative pressure to the wound site via the primary conduit. The system includes a pressure indicator configured to indicate a negative pressure at the pressure indicator and a secondary conduit having a first end coupled to the pressure indicator and a second end coupled to the wound site such that the negative pressure at the wound site is fluidly transmitted to the pressure indicator via the secondary conduit. A blockage in the primary conduit causes the negative pressure indicated by the pressure indicator to differ from the negative pressure applied by the pump.
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Patent Agency Ranking
376.发明申请公开(公告)号：US20210275736A1
公开(公告)日：2021-09-09
申请号：US17259251
申请日：2019-07-08
Applicant: KCI Licensing, Inc.
Inventor： Christopher Brian LOCKE , Justin Alexander LONG
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. In one example embodiment, a system for providing negative-pressure and instillation to a tissue site may comprise a negative-pressure device and an instillation device. The negative-pressure device may comprise a negative-pressure source and a controller electrically coupled to the negative-pressure source. The instillation device may comprise a dosing valve having a dosing chamber including a dosing outlet configured to be fluidly coupled to a fluid port and a dosing inlet configured to be fluidly coupled to a source of instillation solution. The dosing valve may also have a working chamber including a biasing element operably engaged to the dosing chamber and configured to be fluidly coupled to the negative-pressure source. In some embodiments of the system, the instillation device may further comprise a wireless transceiver configured to communicate with the controller, and at least one sensor coupled to the wireless transceiver to provide a signal indicative of an operating condition of the dosing valve, and wherein the wireless transceiver is configured to communicate the at least one signal to the controller.
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公开(公告)号：US20210268167A1
公开(公告)日：2021-09-02
申请号：US17254393
申请日：2019-06-12
Applicant: KCI LICENSING, INC.
Inventor： Justin R. RICE , Christopher A. CARROLL
Abstract: A wound therapy system includes an instillation fluid canister configured to contain an instillation fluid, a pump fluidly coupled to the instillation fluid canister and operable to deliver the instillation fluid from the instillation fluid canister to a wound, a user interface configured to receive user input indicating one or more geometric attributes of the wound, and a controller electronically coupled to the pump and the user interface. The controller is configured to determine a volume of the wound based on the user input, determine a volume of the instillation fluid to deliver to the wound based on the volume of the wound, and operate the pump to deliver the determined volume of the instillation fluid to the wound.
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公开(公告)号：US20210267809A1
公开(公告)日：2021-09-02
申请号：US17254379
申请日：2019-03-11
Applicant: KCI Licensing, Inc.
Inventor： Jonathan G. REHBEIN , Matthew Francis CAVANAUGH, II
Abstract: A cover for sealing a tissue site may include a shell having a first side, a second side, and an edge between the first side and the second side; an adhesive disposed on the first side; and a release liner adjacent to the adhesive. The release liner may comprise a flap folded over at least a portion of the edge of the shell. The flap may be configured to prevent the adhesive from migrating past the portion of the edge of the shell. In some examples, the shell, the adhesive, and the release liner can be folded, and the flap can be at least partially disposed between a first portion and a second portion of the second side of the shell. The cover may additionally comprise a sealing layer with apertures disposed between the adhesive and the release liner in some embodiments.
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公开(公告)号：US11083884B2
公开(公告)日：2021-08-10
申请号：US15580756
申请日：2016-06-27
Applicant: KCI Licensing, Inc.
Inventor： Timothy Mark Robinson , Christopher Brian Locke , James A. Luckemeyer
IPC: A61M39/22 , A61M1/00 , F16K31/122 , F16K31/363 , F16K1/38 , A61M3/02 , A61F13/02
Abstract: Systems, methods, and apparatuses for irrigating a tissue site are described. The system can include a tissue interface and a sealing member configured to be placed over the tissue site to form a sealed space, and a negative-pressure source fluidly coupled to the sealed space. The system includes an irrigation valve having a housing, a piston disposed in the housing, a fluid inlet to fluidly couple a fluid inlet chamber to a fluid source, and a fluid outlet to fluidly couple a fluid outlet chamber to the sealed space. A piston passage extends through the piston and fluidly couples the fluid inlet chamber and the fluid outlet chamber, and a biasing member is coupled to the piston to bias the irrigation valve to a closed position. The negative-pressure source is configured to move the piston between the closed position and an open position to draw fluid to the sealed space.
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公开(公告)号：US11083629B2
公开(公告)日：2021-08-10
申请号：US16039111
申请日：2018-07-18
Applicant: KCI Licensing, Inc.
Abstract: Methods, apparatuses, and systems for promoting re-epithelialization as an aspect of wound healing are presented. A re-epithelialization dressing for use with reduced pressure has a moist tissue-interface layer, a manifold member, and a sealing member. The moist tissue-interface layer has a plurality of apertures. The moist tissue-interface layer is for disposing adjacent to the wound and provides a moisture balance (i.e., provides moisture when the wound is dry and receives moisture when the wound site is substantially wet). The reduced pressure, apertures, and moist tissue-interface layer help with liquid management and otherwise promote re-epithelialization. Other systems, apparatuses, and methods are presented.
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