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公开(公告)号：US20220080102A1
公开(公告)日：2022-03-17
申请号：US17534139
申请日：2021-11-23
申请人： KCI Licensing, Inc.
摘要： 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.
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12.发明授权公开(公告)号：US11229732B2
公开(公告)日：2022-01-25
申请号：US16257999
申请日：2019-01-25
申请人： KCI Licensing, Inc.
发明人： Christopher Brian Locke , Mark Stephen James Beard , David Robson Blandford , Timothy Mark Robinson
摘要： A system and method for performing tissue therapy may include applying a reduced pressure to a tissue site, sensing a fluid parameter being applied to the tissue site, generating a fluid sensor signal in response to sensing the fluid parameter, and altering the fluid sensor signal in response to sensing that the fluid parameter changes. A fluid leak location mode may be entered. In response to the fluid leak location mode being entered, a graphical user interface that provides for fluid leak location functionality may be displayed. In one embodiment, the fluid leak location mode may be automatically entered in response to the sensor signal crossing a threshold value. Additionally, an alarm signal may be generated in response to determining that the fluid sensor signal crosses the threshold value.
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公开(公告)号：US11167073B2
公开(公告)日：2021-11-09
申请号：US16383737
申请日：2019-04-15
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：US20210236342A1
公开(公告)日：2021-08-05
申请号：US16757793
申请日：2017-10-24
申请人： KCI Licensing, Inc.
摘要： This disclosure includes wound dressings and systems with low-flow, high-concentration therapeutic gas sources for topical wound therapy and related methods. Some dressings, which are configured to be coupled to tissue to facilitate delivery of therapeutic gas to the tissue, comprise a manifold that defines a plurality of gas passageways, the manifold configured to allow communication of therapeutic gas to the tissue; a sorbent material configured to be disposed above or below the manifold and to capture exudate; and a gas-occlusive layer configured to be disposed over the manifold and the sorbent material and coupled to the tissue such that an interior volume containing the manifold and the sorbent material is defined between the gas-occlusive layer and the tissue and the gas-occlusive layer limits escape of therapeutic gas from the interior volume.
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公开(公告)号：US11026844B2
公开(公告)日：2021-06-08
申请号：US14630290
申请日：2015-02-24
申请人： KCI Licensing, Inc.
摘要： In some illustrative embodiments, a system suitable for treating a tissue site may include a dressing, a low-profile conduit, a conduit interface, and a reduced-pressure source. The dressing may be adapted for positioning at the tissue site. The low-profile conduit may be adapted for fluidly coupling to the dressing. The low-profile conduit may include a manifold and a sealing member encapsulating the manifold. The conduit interface may be adapted for fluidly coupling to the low-profile conduit. The conduit interface may be in fluid communication with the dressing through the low-profile conduit. The reduced-pressure source may be adapted for fluid communication with the conduit interface. Other systems, devices, and methods are disclosed.
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公开(公告)号：US10987454B2
公开(公告)日：2021-04-27
申请号：US16284587
申请日：2019-02-25
申请人： KCI Licensing, Inc.
摘要： Manifold structures, systems, and methods are disclosed that include using longitudinal members and one or more shaped projections to cause microstrain at a tissue site. In one instance a manifold structure includes a plurality of spaced longitudinal members and at least one shaped projection coupled to at least one of the plurality of longitudinal members for creating a microstrain at a tissue site. The at least one shaped projection includes a columnar member having a distal end and includes an enlarged member positioned at the distal end of the columnar member. The columnar member has a first outer diameter (D1) and the enlarged member has a second outer diameter (D2). The second outer diameter of the enlarged member is greater than the first outer diameter of the columnar member (D2>D1). Other systems, methods, and structures are presented.
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公开(公告)号：US10898387B2
公开(公告)日：2021-01-26
申请号：US15410991
申请日：2017-01-20
申请人： KCI Licensing, Inc.
IPC分类号： A61F13/00 , C09J7/20 , A61F13/02 , B32B3/26 , B32B27/08 , B32B27/28 , B32B27/30 , A61B46/20 , A61M1/00
摘要： Systems, kits, methods of manufacturing, and a sealing member for creating a sealed space are described. The sealing member can include a film layer and a first adhesive layer coupled to the film layer. The sealing member can also include a second adhesive layer coupled to the first adhesive layer. A plurality of apertures may extend through the second adhesive layer. Each aperture can expose at least a portion of the first adhesive layer through the second adhesive layer. A plurality of polymer particles may be disposed in the first adhesive layer. The polymer particles can be configured to dissolve in response to interaction with a switching solution.
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公开(公告)号：US10786396B2
公开(公告)日：2020-09-29
申请号：US15600451
申请日：2017-05-19
申请人： KCI Licensing, Inc.
摘要： A releasable medical drape, and systems and methods having the same, includes at least a liquid-impermeable, vapor-permeable layer, a pressure-sensitive adhesive layer, and a soft-gel layer having a plurality of apertures. The soft-gel layer is configured to be disposed adjacent to a tissue site. A portion of the pressure-sensitive adhesive layer extends through the plurality of apertures in the soft-gel layer to contact the tissue site. The soft-gel layer forms a good seal with the tissue site and the pressure-sensitive adhesive layer extending through the plurality of apertures forms a firm—but releasable—coupling with the tissue site.
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公开(公告)号：US10743900B2
公开(公告)日：2020-08-18
申请号：US15884149
申请日：2018-01-30
申请人： KCI Licensing, Inc.
发明人： Shannon C. Ingram , Christopher Brian Locke , Peter Arnold , Timothy Mark Robinson , Christopher A. Carroll , Michael E. Manwaring
摘要： A method and apparatus for disrupting material at a tissue site is described. A contact layer may be selected for use on the tissue site and positioned adjacent to the tissue site. The contact layer may include walls defining a plurality of through-holes. A sealing member may be positioned over the contact layer and sealed to tissue surrounding the tissue site to form a sealed space enclosing the contact layer. A negative-pressure source may be fluidly coupled to the sealed space. The negative-pressure source may supply negative pressure to the sealed space and the contact layer to draw tissue into the through-holes to form nodules. The negative pressure may be vented from the sealed space to release the nodules.
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公开(公告)号：US10736788B2
公开(公告)日：2020-08-11
申请号：US15958773
申请日：2018-04-20
申请人： KCI Licensing, Inc.
摘要： Systems, apparatuses, and methods for closing an opening through a surface of a tissue site are described. The system includes a sealing member adapted to cover the opening to form a sealed space and a negative-pressure source adapted to be fluidly coupled to the sealed space to provide negative pressure to the sealed space. The system also includes a contracting layer adapted to be positioned adjacent the opening and formed from a material having a firmness factor and a plurality of holes extending through the contracting layer to form a void space. The holes have a perforation shape factor and a strut angle causing the plurality of holes to collapse in a direction substantially perpendicular to the opening. The contracting layer generates a closing force substantially parallel to the surface of the tissue site to close the opening in response to application of the negative pressure.
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