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公开(公告)号：US20220023525A1
公开(公告)日：2022-01-27
申请号：US17492980
申请日：2021-10-04
申请人： KCI Licensing, Inc.
摘要： A system for applying reduced pressure to tissue includes a multi-lumen reduced pressure delivery tube having a proximate end, a distal end, a primary lumen extending through the conduit from the proximate end to the distal end, and an ancillary lumen extending through the conduit from the proximate end to the distal end. A vacuum pump is coupled to the proximate end of the primary lumen, and a reduced pressure adapter is coupled to the distal end of the reduced pressure delivery tube. The adapter includes channels to direct liquid away from the ancillary lumens and into the primary lumen.
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公开(公告)号：US11229719B2
公开(公告)日：2022-01-25
申请号：US16473169
申请日：2018-01-03
申请人： KCI Licensing, Inc.
摘要： A wound dressing layer may include an open-cell foam. The foam may have a 50% compression force deflection of not more than about 4.8 kPa. The foam may also have a density of at least 24 kg/m3. The foam may exhibit a density increase of a factor of at least 12 at about −75 mmHg.
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公开(公告)号：US20220001096A1
公开(公告)日：2022-01-06
申请号：US17281668
申请日：2019-09-27
申请人： KCI Licensing, Inc.
摘要： An apparatus for use in treating a tissue site with negative pressure, which may comprise a fluid path between a first end and a second end. The fluid conductor may additionally comprise a plurality of pressure indicators configured to indicate a pressure state between the first end and the second end. In some examples, the fluid conductor may be fluidly coupled to a source of negative pressure and a dressing, which can be configured to be applied to a tissue site for treatment with negative pressure.
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公开(公告)号：US20220001095A1
公开(公告)日：2022-01-06
申请号：US17292662
申请日：2019-10-21
申请人： KCI Licensing, Inc.
摘要： In some examples, provided is a fluid blockage device for use with a reduced-pressure source for treating a tissue site with reduced pressure. The fluid blockage device may be configured to preclude fluid communication through a port fluidly coupled to the reduced-pressure source when the fluid blockage device contacts a liquid. Other devices, systems, and methods are disclosed.
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65.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
申请人： KCI LICENSING, INC.
摘要： 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
申请人： KCI Licensing, Inc.
IPC分类号： A61F13/02 , A61M1/00 , A61L15/18 , A61F13/00 , G05B19/418 , A61L15/26 , A61L15/44 , A61L15/60 , A61L15/24 , A61L15/28 , A61L15/22 , A61L15/42
摘要： 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
申请人： KCI Licensing, Inc.
摘要： 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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68.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
申请人： KCI Licensing, Inc.
摘要： 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
申请人： KCI LICENSING, INC.
发明人： Christopher B. LOCKE
IPC分类号： A61M1/00
摘要： 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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70.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
申请人： KCI Licensing, Inc.
摘要： 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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