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公开(公告)号：US11957546B2
公开(公告)日：2024-04-16
申请号：US16733023
申请日：2020-01-02
申请人： KCI Licensing, Inc.
IPC分类号： A61M1/00 , A61F13/00 , A61F13/02 , A61F13/0203
CPC分类号： A61F13/00068 , A61F13/00029 , A61F13/00034 , A61F13/00063 , A61F13/022 , A61M1/915 , A61M1/985 , A61F2013/00217
摘要： Systems, methods, and apparatuses for treating a tissue site are described. In some embodiments, the system may include a pouch having an upstream layer, a downstream layer, and an absorbent member enclosed between the upstream layer and the downstream layer. The upstream layer and the downstream layer may each include a hydrophobic side and a hydrophilic side. The hydrophilic side of both the upstream layer and the downstream layer may be positioned facing the absorbent member. The hydrophobic side of both the upstream layer and the downstream layer may form a portion of an exterior surface of the pouch such that fluid incident on the pouch is distributed laterally along the exterior surface of the pouch before being absorbed by the absorbent member.
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2.发明授权公开(公告)号：US11819387B2
公开(公告)日：2023-11-21
申请号：US16000368
申请日：2018-06-05
申请人： KCI Licensing, Inc.
CPC分类号： A61F13/0216 , A61F13/00068 , A61F13/0223 , A61M1/90 , A61F13/0206 , A61F13/0213
摘要： Dressings for use in negative pressure therapy and methods of making the dressings are provided herein. The dressings may comprise at least two layers in a stacked configuration. The first layer may comprise a manifold layer and the second layer may comprise a silicone gel layer. The second layer may have perforations to form fluid restrictions that can open and close when used in negative pressure therapy. The perforated second layer may be formed by a first and a second curing step.
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公开(公告)号：US11697015B2
公开(公告)日：2023-07-11
申请号：US17370239
申请日：2021-07-08
申请人： KCI Licensing, Inc.
IPC分类号： A61M39/22 , F16K31/122 , F16K31/363 , A61M1/00 , F16K1/38 , A61F13/02 , A61M3/02
CPC分类号： A61M39/227 , A61M1/77 , A61M1/85 , A61M1/92 , A61M3/0254 , A61M39/22 , A61M39/228 , F16K1/38 , F16K31/1221 , F16K31/1226 , F16K31/363 , A61F13/0206 , A61M1/772 , A61M2039/226 , Y10S137/907
摘要： 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：US11654056B2
公开(公告)日：2023-05-23
申请号：US16717754
申请日：2019-12-17
申请人： KCI Licensing, Inc.
发明人： Christopher Brian Locke , Justin Alexander Long , Benjamin Locke , Benjamin Andrew Pratt , Thomas Alan Edwards , Timothy Mark Robinson
CPC分类号： A61F13/00068 , A61F13/00029 , A61F13/025 , A61F13/0216 , A61F13/0253 , A61M1/80 , A61M1/913 , A61M1/915 , A61M1/985 , A61F2013/00246 , A61M1/96
摘要： 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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公开(公告)号：US11511032B2
公开(公告)日：2022-11-29
申请号：US16979684
申请日：2019-01-11
申请人： KCI Licensing, Inc.
摘要： A dressing for treating a tissue site, particularly an abdominal or peritoneal site, is disclosed. In some embodiments, the dressing may comprise a tissue interface formed from a first layer of a liquid-impermeable material and a plurality of manifolding bubbles formed as part of the first layer. In some embodiments, the tissue interface may further comprise a second layer of a permeable material, where the manifolding bubbles are formed as closed cells between the first layer and the second layer. The tissue interface may also include a third layer of liquid-impermeable material positioned adjacent to the second layer, where one or more fluid passageways may be formed between the second layer and third layer for delivering a therapeutic fluid to the tissue site.
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公开(公告)号：US11452640B2
公开(公告)日：2022-09-27
申请号：US16254340
申请日：2019-01-22
申请人： KCI Licensing, Inc.
摘要： Dressings for closing an opening through a surface of a tissue site are described. The dressing includes a cover adapted to form a sealed space over the opening and a bolster. The bolster is adapted to be positioned adjacent the opening and includes a first plurality of holes. The holes have an average width to length ratio causing the plurality of holes to collapse in a direction substantially perpendicular to the opening. Systems, apparatuses, kits and methods including and/or using the dressing for closing the opening are also described.
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7.发明授权公开(公告)号：US11432966B2
公开(公告)日：2022-09-06
申请号：US15997761
申请日：2018-06-05
申请人： KCI Licensing, Inc.
IPC分类号： A61F13/00 , A61F13/02 , A61M1/00 , A61F13/15 , A61F13/537 , A61F13/534
摘要： Dressings for tissue treatment with negative pressure and methods of using the dressings for tissue treatment with negative pressure, which may comprise a dressing having at least three layers assembled in a stacked relationship. The first layer may comprise or consist essentially of a polymer film having a plurality of fluid restrictions that are normally unstrained or closed. The second layer may comprise a manifold, and the third layer may comprise or consist essentially of a polymer drape. A fourth layer, which may be coupled to the first layer opposite the second layer, may comprise or consist essentially of a silicone gel having a plurality of apertures. In some examples, the plurality of apertures in the fourth layer may be registered with the fluid restrictions of the first layer.
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公开(公告)号：US11364152B2
公开(公告)日：2022-06-21
申请号：US15682812
申请日：2017-08-22
申请人： KCI Licensing, Inc.
摘要： A reduced-pressure system for treating a tissue site on a patient includes a distribution manifold that adheres to a tissue site to allow retention without external support. The distribution manifold includes a porous member and a tissue-fixation element. The tissue-fixation element maintains the porous member substantially adjacent to the tissue site while a sealing member is applied. In one instance, the tissue-fixation element is a soluble adhesive that partially covers either the tissue-facing side of the porous member or a tissue-facing side of a fluid-permeable substrate layer that is on the tissue-facing side of the porous member. Other systems, distributions manifolds, and methods are presented.
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公开(公告)号：US11358099B2
公开(公告)日：2022-06-14
申请号：US16354881
申请日：2019-03-15
申请人： KCI Licensing, Inc.
摘要： Systems, methods, and devices related to removing fluids from a patient are provided. In one instance, fluid is removed from the patient and delivered to a canister using reduced pressure. Reduced pressure is supplied to the canister via a reduced-pressure delivery conduit that includes a moisture processing device and a hydrophobic filter. The moisture processing device condenses moisture from the air to prevent condensation from occluding the hydrophobic filter. The moisture processing devices includes an expanded volume and one or more liquid-impermeable, vapor-permeable membranes. The liquid-impermeable, vapor-permeable membrane allows vapor to egress the moisture processing device. Other systems, methods, and devices are presented.
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公开(公告)号：US11285247B2
公开(公告)日：2022-03-29
申请号：US16276339
申请日：2019-02-14
申请人： KCI Licensing, Inc.
摘要： Body-fluid containers, methods, and systems are presented that include a container that has a container housing formed, at least in part, by a liquid-impermeable, vapor-permeable material. The liquid-impermeable, vapor-permeable material allows water to evaporate and be transmitted outside of the container. The evaporation allows more fluid to be processed by the container than the container could otherwise hold. Other systems, methods, and apparatuses are presented.
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