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    Systems and methods for mitigating premature light deactivation of light deactivated adhesive drapes
    22.
    发明授权
    Systems and methods for mitigating premature light deactivation of light deactivated adhesive drapes 有权

    公开(公告)号：US11925432B2

    公开(公告)日：2024-03-12

    申请号：US16644689

    申请日：2018-09-04

    Applicant: KCI LICENSING, INC.

    Inventor： Justin Alexander Long ,  Timothy Mark Robinson ,  Christopher Brian Locke

    IPC: A61B46/00 ,  A61B46/20

    CPC classification number: A61B46/20 ,  A61B46/40 ,  A61B2046/205

    Abstract: Provided herein is a system and method for mitigating premature light deactivation of light deactivated adhesive drapes. One aspect provides a system comprising a drape, an adhesive layer, and a release agent, where the system is adapted to be coupled to a tissue site and released therefrom upon or after exposure to an external stimulus such as certain wavelengths of light. The system may have a photochromic layer that may transition between a blocking transmittance state and a non-blocking transmittance state to block or allow certain wavelengths of light to pass through. Some systems may use a combination of a photochromic layer and a filter layer to prevent the adhesive from being exposed to deactivation wavelengths prematurely. Another aspect provides a method for application and removal of a drape using by removing one or more of a photochromic layer and a filter layer and applying light to the drape to deactivate the adhesive layer and promote easy, clean, and less painful removal of the drape.

    Systems and methods for mitigating premature light deactivation of light deactivated adhesive drapes using a filtering layer
    25.
    发明授权
    Systems and methods for mitigating premature light deactivation of light deactivated adhesive drapes using a filtering layer 有权

    公开(公告)号：US11752041B2

    公开(公告)日：2023-09-12

    申请号：US16644727

    申请日：2018-09-04

    Applicant: KCI LICENSING, INC.

    Inventor： Timothy Mark Robinson ,  Christopher Brian Locke ,  Justin Alexander Long

    IPC: A61F13/02 ,  A61L15/58 ,  A61L31/14

    CPC classification number: A61F13/0253 ,  A61L15/58 ,  A61L31/14

    Abstract: Provided herein is a system and method for mitigating premature light deactivation of light deactivated adhesive drapes. One aspect provides a system comprising a drape, a photosensitive adhesive layer, and a release agent, where the system is adapted to be coupled to a tissue site and released therefrom upon or after exposure to an external stimulus such as certain wavelengths of light. The system may have a filter layer to prevent the photosensitive adhesive from being exposed to deactivation wavelengths prematurely. The filter layer may be printed directly onto the drape and may be removable after exposure to a solvent, such as isopropyl alcohol (IPA). The filter layer may also be a filter adhesive layer. Another aspect provides a method for application and removal of a drape using by removing one or more of the filter layer and/or the filter adhesive layer and applying light to the drape to deactivate the photosensitive adhesive layer and promote easy, clean, and less painful removal of the drape.

    Wound based sensor system with ambient atmosphere monitoring
    26.
    发明授权
    Wound based sensor system with ambient atmosphere monitoring 有权

    公开(公告)号：US11617821B2

    公开(公告)日：2023-04-04

    申请号：US17299177

    申请日：2019-12-06

    Applicant: KCI Licensing, Inc.

    Inventor： Christopher Brian Locke ,  Justin Alexander Long

    IPC: A61M1/00 ,  A61F13/00

    Abstract: Systems, apparatuses, and methods for providing negative pressure and/or 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, an apparatus may comprise a dressing interface or connector that includes a pH sensor, a humidity sensor, a temperature sensor and/or a pressure sensor embodied on a single pad within the connector and proximate the tissue site to provide data indicative of acidity, humidity, temperature and pressure. Such apparatus may further comprise an ambient port for providing the pressure sensor and the humidity sensor with access to the ambient environment providing readings relative to the atmospheric pressure and humidity.

    Negative pressure wound therapy dressings with local oxygen generation for topical wound therapy and related methods
    27.
    发明授权
    Negative pressure wound therapy dressings with local oxygen generation for topical wound therapy and related methods 有权

    公开(公告)号：US11576818B2

    公开(公告)日：2023-02-14

    申请号：US16960964

    申请日：2019-01-04

    Applicant: KCI LICENSING, INC.

    Inventor： Justin Alexander Long ,  Christopher Brian Locke ,  Timothy Mark Robinson ,  Richard Coulthard

    IPC: A61F13/00 ,  A61F13/02 ,  A61M1/00

    Abstract: This disclosure includes negative pressure wound therapy dressings with local oxygen generation for topical wound therapy. The dressings (18) for facilitating delivery of oxygen and application of negative pressure to target tissue include a manifold (46) that defines a plurality of gas passageways (50) and is configured to allow communication of oxygen to the target tissue; an oxygen-generating material (146) that is configured to release oxygen when exposed to water; a gas-occlusive layer (74) configured to be disposed over the manifold and the oxygen-generating material and coupled to tissue surrounding the target tissue such that an interior volume containing the manifold and the oxygen-generating material is defined between the gas-occlusive layer and the target tissue; and a port (94) coupled to the gas-occlusive layer and configured to be coupled to a negative pressure source.

    Systems and methods for controlling negative pressure therapy with fluid instillation therapy
    28.
    发明授权
    Systems and methods for controlling negative pressure therapy with fluid instillation therapy 有权

    公开(公告)号：US11511033B2

    公开(公告)日：2022-11-29

    申请号：US16961828

    申请日：2019-01-15

    Applicant: KCI Licensing, Inc.

    Inventor： Justin Alexander Long ,  Benjamin Andrew Pratt ,  Christopher Brian Locke ,  Brett L. Moore

    IPC: A61M1/00 ,  A61F13/00

    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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