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21.发明申请公开(公告)号：US20210077670A1
公开(公告)日：2021-03-18
申请号：US16961828
申请日：2019-01-15
Applicant: KCI Licensing, Inc.
Abstract: Systems, apparatuses, and methods for providing negative pressure with instillation fluids to a tissue site are disclosed. Some embodiments are illustrative of an apparatus or system for delivering negative-pressure and/or therapeutic solution of fluids to a tissue site, which can be used in conjunction with sensing properties of fluids extracted from a tissue site and/or instilled at a tissue site. For example, a system may comprise a tissue interface adapted to be coupled to a source of instillation fluid and a dressing interface having a therapy cavity that includes a pH sensor, a humidity sensor, a temperature sensor, and a pressure sensor embodied on a single pad within the dressing interface to provide data indicative of acidity, humidity, temperature and pressure at the tissue site. Such apparatus may further comprise algorithms for processing such data for detecting leakage and blockage conditions as well as providing information relating to the progression of healing of wounds at the tissue site. An illustrative method may comprise disposing the tissue interface at the tissue site and the therapeutic cavity in fluid communication with the tissue interface. The method may further comprise instilling fluid to the therapy cavity and then sensing the pressure, humidity, temperature, and the pH of the fluids adjacent the tissue interface. The method may further comprise determining various flow characteristics of the system by using a processing element electrically coupled to the sensors for transmitting property signals from the sensors to a controller configured to assess the property signals in order to identify the flow characteristics.
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公开(公告)号：US20210077302A1
公开(公告)日：2021-03-18
申请号：US16959651
申请日：2019-01-03
Applicant: KCI Licensing, Inc.
Abstract: A multi-layer dressing for treating tissue with negative pressure, instillation, or both. In some embodiments a first layer may be formed from reticulated foam having a series of holes. A second layer disposed adjacent to the first layer may be formed from a perforated polymer. The dressing may optionally include a third layer formed from a soft polymer, such as a silicone gel. The third layer may also have perforations or apertures. The third layer is generally oriented to face a tissue site, and may be disposed adjacent to the first layer so that the first layer is disposed between the third layer and the first layer. The perforations or apertures in the third layer may be registered with one or more perforations in the first layer.
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公开(公告)号：US20210030598A1
公开(公告)日：2021-02-04
申请号：US17074024
申请日：2020-10-19
Applicant: KCI Licensing, Inc.
Inventor： Christopher Brian LOCKE , Richard Daniel John COULTHARD , Timothy Mark ROBINSON , Aidan Marcus TOUT
Abstract: Systems and apparatuses for administering reduced pressure treatment to a tissue site include a reduced pressure source, a drape having a plurality of projections for contacting the tissue site, and an adhesive connected to at least a portion of the drape for sealing the drape to a portion of a patient's intact epidermis.
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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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25.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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Patent Agency Ranking
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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27.发明申请公开(公告)号：US20200276058A1
公开(公告)日：2020-09-03
申请号：US16876299
申请日：2020-05-18
Applicant: KCI Licensing, Inc.
Inventor： Christopher Brian LOCKE , John ELWOOD
IPC: A61F13/00 , A61F13/02 , B23K26/00 , B23K26/38 , B32B5/18 , B32B7/06 , B32B7/12 , B32B27/06 , B32B27/30 , B32B27/32 , B32B37/12 , B32B37/18
Abstract: A dressing for treating tissue with negative pressure may be a composite of dressing layers, including a release film, perforated gel layer, a perforated polymer film, a manifold, and an adhesive cover. A method of manufacturing the dressing may comprise providing a first layer, such as the gel layer, on a substrate, perforating the first layer on the substrate to create a plurality of apertures in the first layer, and creating an index of the plurality of apertures in the first layer. A laser can be calibrated based on the index. A second layer, such as the polymer film, may be coupled to the first layer, and a plurality of slots can be cut in the second layer with the laser. Each of the slots can be cut through one of the apertures in the first layer based on the index.
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公开(公告)号：US20200268561A1
公开(公告)日：2020-08-27
申请号：US16755814
申请日：2018-08-29
Applicant: KCI Licensing, Inc.
Inventor： Christopher Brian LOCKE , Justin Alexander LONG , Benjamin LOCKE , Benjamin Andrew PRATT , Thomas Alan EDWARDS
Abstract: An evaporative bridge dressing that may be used with negative-pressure treatment of tissue. The evaporative bridge dressing may have one or more fluid transfer layers comprised of high-density wicking material enclosed between layers of film having high moisture-vapor transfer rates to reduce liquid storage and minimize pressure drop.
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公开(公告)号：US20200237605A1
公开(公告)日：2020-07-30
申请号：US16828597
申请日：2020-03-24
Applicant: KCI Licensing, Inc.
Inventor： Timothy Mark ROBINSON , Christopher Brian LOCKE
Abstract: A medical drape for use with a reduced pressure system for providing reduced pressure to a tissue site is described. In some embodiments, the drape may include a flexible film, and an adhesive layer coupled to the flexible film. The adhesive layer may include a first adhesive disposed on a first portion of the flexible film in a first pattern. The first adhesive can be configured to secure the flexible film proximate to the tissue site. The adhesive layer generally includes a second adhesive disposed on a second portion of the flexible film in a second pattern. The second adhesive can be configured to seal the flexible film proximate to the tissue site. The first pattern and the second pattern are preferably registered so that the first portion and the second portion are offset to cover substantially different portions of the flexible film.
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公开(公告)号：US20200206395A1
公开(公告)日：2020-07-02
申请号：US16812895
申请日：2020-03-09
Applicant: KCI Licensing, Inc.
Inventor： Christopher Brian LOCKE , Richard Daniel John COULTHARD , Benjamin Andrew PRATT , Timothy Mark ROBINSON
Abstract: Dressings, systems, and methods are disclosed that, in some embodiments, relate to treating a tissue site. In one embodiment, a dressing may include a manifold, a retention pouch, a sealing member, and a conduit interface. The manifold may be adapted to distribute reduced pressure to the tissue site, and the retention pouch may be adapted to retain and manage fluid extracted from the tissue site. The sealing member may cover the retention pouch and the manifold to provide a sealed space with the tissue site. The conduit interface may be in fluid communication with the sealed space and an exterior surface of the sealing member. The dressing may be utilized with a therapy device operable to control reduced pressure in the dressing and fluid flow over the sealing member.
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