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公开(公告)号：US20200337908A1
公开(公告)日：2020-10-29
申请号：US15733332
申请日：2019-01-03
Applicant: KCI LICENSING, INC.
Inventor： Justin Alexander LONG , Christopher Brian LOCKE , Richard COULTHARD
Abstract: Provided herein is a system and method for coupling a wearable therapy system to a dressing and detaching the wearable therapy system from the dressing. One aspect provides a system including a drape with a switchable adhesive layer and a therapy system adhered to the drape via the switchable adhesive layer. The therapy system includes one or more radiation sources that can emit radiation wavelengths (e.g., light or electromagnetic waves) to impinge upon the adhesive and deactivate the adhesive when it is desired to remove the therapy system from the drape.
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102.发明申请公开(公告)号：US20200330283A1
公开(公告)日：2020-10-22
申请号：US16901948
申请日：2020-06-15
Applicant: KCI Licensing, Inc.
Inventor： Christopher Brian LOCKE , Timothy Mark ROBINSON
Abstract: A system for treating a tissue site of a patient includes a dressing filler adapted to be positioned at the tissue site. The dressing filler is comprised of a porous substrate having at least one compressed region and at least one expanded region. The compressed region of the porous substrate is held in a compressed state by a first coating capable of dissolving in the presence of a fluid, and the expanded region of the porous substrate is held in an expanded state by a second coating.
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103.发明授权公开(公告)号：US10806835B2
公开(公告)日：2020-10-20
申请号：US15891294
申请日：2018-02-07
Applicant: KCI Licensing, Inc.
Inventor： Randall P. Kelch , Xiaolu Zheng , Reuben Walter Edgar, Jr. , Jonathan Paul Jaeb , Thomas Paul Lawhorn , Shannon C. Ingram
Abstract: A method of treating a tissue site is provided. The method includes applying a reduced pressure to a tissue site with a reduced pressure source. A source pressure is monitored at the reduced pressure source, and a differential pressure is determined between the source pressure and the desired tissue site pressure. If a blockage is present between the reduced pressure source and the tissue site, the differential pressure is limited to a first maximum differential pressure. If no blockage is present between the reduced pressure source and the tissue site, the differential pressure is limited to a second maximum differential pressure.
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公开(公告)号：US20200323692A1
公开(公告)日：2020-10-15
申请号：US16759935
申请日：2018-10-22
Applicant: KCI Licensing, Inc.
Abstract: As an example, in some embodiments is a dressing that may comprise a manifold, a bioresorbable component, and a degradation-modulating component. The degradation-modulating component may cover two or more surfaces of the bioresorbable component. The degradation-modulating component may be further configured to modulate degradation of the bioresorbable component.
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公开(公告)号：US20200315853A1
公开(公告)日：2020-10-08
申请号：US16955759
申请日：2018-12-14
Applicant: KCI Licensing, Inc.
Inventor： Alexander WAITE
IPC: A61F13/00 , A61B17/322 , A61L15/40 , A61L15/22
Abstract: In some aspects, the present invention provides an active dressing for transfer of superficial epidermal biopsies to a wound site, where the dressing can enhance keratinocyte out growth from the biopsies at the wound site and improve the rate of re-epithelization. In some embodiments, the dressing can include a perforated dehydrated amniotic membrane sheet that is coupled to a backing sheet having suitable adhesive properties. The perforations can have appropriate dimensions and distributions for capturing and transferring the skin biopsies. Without being limited to any particular theory, the amniotic membrane sheet can enhance the re-epithelization of the wound site to which the biopsies are transferred, e.g., by supplying signaling proteins and extra-cellular matrix (ECM) components.
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Patent Agency Ranking
公开(公告)号：US10792402B2
公开(公告)日：2020-10-06
申请号：US15896800
申请日：2018-02-14
Applicant: KCI Licensing, Inc.
Inventor： Keith Patrick Heaton , Ian James Hardman
IPC: A61M1/00
Abstract: The illustrative embodiments described herein are directed to a manually-actuated pump and method for applying reduced pressure at a tissue site. The manually-actuated pump includes at least one variable volume chamber that is manually compressible into a plurality of positions. The manually-actuated pump includes a fixed volume chamber in communication with the at least one variable volume chamber. The manually-actuated pump also includes a filter housing having a hydrophobic filter that prevents liquid from entering the at least one variable volume chamber. The fixed volume chamber is coupled to the at least one variable volume chamber via the filter housing. The filter housing is located in between the at least one variable volume chamber and the fixed volume chamber. The fixed volume chamber has reduced pressure that is applied to the tissue site in response to a movement of the at least one variable volume chamber from a compressed position in the plurality of positions to an uncompressed position in the plurality of positions.
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公开(公告)号：US20200306426A1
公开(公告)日：2020-10-01
申请号：US16366308
申请日：2019-03-27
Applicant: KCI LICENSING, INC.
Inventor： Justin Rice , Shannon C. Ingram , Brett L. Moore
Abstract: A volume of a wound is estimated using a dynamic pressure response measured during instillation of fluid to the wound using a negative pressure wound therapy system. A previously estimated wound volume may be used to detect and prevent overfill of fluid to the wound during future instillation events. For example, real-time pressure measurements may be compared to model data representative of expected pressure at a wound having a volume equal to the previously estimated wound volume, with instillation being stopped if the observed pressure varies from the expected pressure. A comparison of a total volume of fluid instilled to the wound may also be compared to the previously estimated wound volume to prevent overfill. The comparison of wound volume estimated based on an instillation event may also be compared to a wound volume estimated using other methods to provide a higher confidence wound volume estimate.
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公开(公告)号：US10786608B2
公开(公告)日：2020-09-29
申请号：US15510185
申请日：2015-09-10
Applicant: KCI Licensing, Inc.
Inventor： Benjamin Andrew Pratt , James Killingworth Seddon
Abstract: Apparatuses, systems, and methods for instilling a solution to a tissue site are disclosed. In some embodiments, an instillation regulator may be fluidly coupled to a solution source and to a dressing, and the instillation regulator may draw a solution from the solution source during a negative-pressure interval may instill the solution to the dressing during a venting interval.
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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
Applicant: KCI Licensing, Inc.
Inventor： Christopher Brian Locke , Timothy Mark Robinson , Li Yao
Abstract: 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：US20200289727A1
公开(公告)日：2020-09-17
申请号：US16769323
申请日：2018-12-04
Applicant: KCI Licensing, Inc.
Inventor： Christopher B. LOCKE
Abstract: A wound dressing includes a cover layer, a tube, and a one-way valve. The cover layer is sealable to skin surrounding a wound site and includes a port extending through the cover layer. The tube includes a first end coupled to the cover layer via the port and a second end including an in-line connector configured to releasably attach the tube to a negative pressure source and detach the tube from the negative pressure source. The one-way valve is located along the tube between the first end and the second end and configured to allow fluid flow through the tube in a first direction from the first end to the second end and prevent fluid flow through the tube in a second direction from the second end to the first end.
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