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    SILICONE WOUND DRESSING LAMINATE AND METHOD FOR MAKING THE SAME
    1.
    发明申请
    SILICONE WOUND DRESSING LAMINATE AND METHOD FOR MAKING THE SAME 审中-公开

    公开(公告)号：US20200146900A1

    公开(公告)日：2020-05-14

    申请号：US16743619

    申请日：2020-01-15

    Applicant: KCI USA, INC.

    Inventor： Deborah ADDISON ,  Sally STEPHENS ,  Patrick Joseph BROSNAN

    IPC: A61F13/02 ,  A61F13/00

    Abstract: A method of making a wound dressing comprising the steps of: providing an apertured substrate layer; coating the substrate layer with a fluid silicone prepolymer composition; thermally partially curing said silicone prepolymer composition to form a partially cured silicone coating on the substrate; laminating the coated substrate layer to a base layer to form a laminate having said partially cured silicone coating in contact with a surface of the base layer; followed by exposing the laminate to ionizing radiation, to further cure the partially cured silicone coating and to bond the silicone coating to said surface of the base layer. The radiation cure results in strong bonding between the siliconized substrate and incompatible base layers such as polyurethane foams. Also provided are wound dressings obtainable by the process of the invention.

    Silicone Gel-Coated Wound Dressing
    2.
    发明申请
    Silicone Gel-Coated Wound Dressing 审中-公开
    硅胶凝胶缠绕敷料

    公开(公告)号：US20160250077A1

    公开(公告)日：2016-09-01

    申请号：US15051466

    申请日：2016-02-23

    Applicant: KCI USA, INC.

    Inventor： Deborah ADDISON ,  Sally STEPHENS ,  Rachel HADLEY

    IPC: A61F13/02 ,  A61F13/00 ,  A61L15/24 ,  A61L15/58 ,  A61L15/26

    CPC classification number: A61F13/0266 ,  A61F13/00076 ,  A61F13/00991 ,  A61F13/0253 ,  A61F13/0283 ,  A61F2013/00289 ,  A61F2013/00617 ,  A61F2013/00702 ,  A61F2013/00897 ,  A61L15/24 ,  A61L15/26 ,  A61L15/58 ,  A61L2420/00 ,  B65B55/02 ,  C08L83/04

    Abstract: A wound dressing product comprising: a substrate layer having an upper surface and a lower surface; a tacky silicone coating composition present on said upper surface and on said lower surface; and upper and lower release sheets covering said substrate and said tacky silicone coating composition on said upper and lower surfaces, respectively, and adhered to said surfaces by said tacky silicone coating composition, wherein said upper surface is less tacky than said lower surface whereby said upper release sheet can be removed from said upper surface more readily than said lower release sheet can be removed from said lower surface. Also provided are methods for making such dressings.

    Abstract translation: 1.一种伤口敷料产品，包括：具有上表面和下表面的基底层; 存在于所述上表面和所述下表面上的粘性有机硅涂料组合物; 以及分别在所述上表面和下表面上覆盖所述基材和所述粘性硅氧烷涂料组合物的上和下剥离片，并通过所述粘性硅氧烷涂料组合物粘附到所述表面，其中所述上表面比所述下表面粘性小， 脱模片可以比所述下剥离片从所述下表面更容易地从所述上表面移除。 还提供了制造这种敷料的方法。

    WOUND DRESSING WITH ADHESIVE MARGIN
    3.
    发明申请
    WOUND DRESSING WITH ADHESIVE MARGIN 有权

    公开(公告)号：US20210401630A1

    公开(公告)日：2021-12-30

    申请号：US17468964

    申请日：2021-09-08

    Applicant: KCI USA, INC.

    Inventor： William PIGG ,  Michelle DELBONO ,  Sally STEPHENS

    IPC: A61F13/02 ,  A61F13/15

    Abstract: A wound dressing comprising: a backing sheet; a layer of pressure-sensitive adhesive on the backing sheet; an island of absorbent material having smaller area than the backing sheet and applied onto a central region of the backing sheet so as to leave a margin of adhesive- coated backing sheet around the absorbent material, and an apertured wound facing layer applied over the absorbent material and adhered to the backing sheet around said island by said pressure-sensitive adhesive, wherein the apertured wound facing layer comprises an apertured substrate having a coating of a silicone gel on the wound facing surface thereof, the open area of the apertured wound facing layer is from about 5% to about 75%, and the apertured wound facing layer comprises apertures having an open area of from about 2 mm2 to about 100 mm2.

    WOUND DRESSING WITH SATURATION INDICATOR
    5.
    发明申请
    WOUND DRESSING WITH SATURATION INDICATOR 有权

    公开(公告)号：US20210145646A1

    公开(公告)日：2021-05-20

    申请号：US16623067

    申请日：2018-06-13

    Applicant: KCI USA, INC. ,  SYSTAGENIX WOUND MANAGEMENT, LIMITED

    Inventor： Sally STEPHENS ,  Leanna POOLE ,  Alexander WAITE ,  Craig DELURY

    IPC: A61F13/00

    Abstract: Described herein are wound dressings comprising: an absorbent layer capable of absorbing a given volume of fluid and comprising a first sorption zone comprising a first density of fibers and a second sorption zone comprising a second density of fibers higher than the first density; a hydrophilic foam layer coupled to the absorbent layer; and a backing layer extending beyond the absorbent layer and the hydrophilic foam layer to define a backing layer margin, wherein, upon exposure of the absorbent layer to a saturation threshold of wound exudate, the first sorption zone expands to a first thickness and the second sorption zone expands to a second thickness that is visually distinguishable from the first thickness. Methods of manufacturing the wound dressing and of eliminating, minimizing, or reducing edema are also described herein.

    SILICONE GEL-COATED WOUND DRESSING
    6.
    发明申请
    SILICONE GEL-COATED WOUND DRESSING 审中-公开

    公开(公告)号：US20190290497A1

    公开(公告)日：2019-09-26

    申请号：US16435860

    申请日：2019-06-10

    Applicant: KCI USA, INC.

    Inventor： Deborah ADDISON ,  Sally STEPHENS ,  Rachel HADLEY

    IPC: A61F13/02 ,  A61F13/00 ,  A61L15/24 ,  A61L15/58 ,  B65B55/02 ,  A61L15/26

    Abstract: A wound dressing product that includes a substrate layer having an upper surface and a lower surface; a tacky silicone coating composition present on the upper surface and on the lower surface; and upper and lower release sheets covering the substrate and the tacky silicone coating composition on the upper and lower surfaces, respectively, and adhered to the surfaces by the tacky silicone coating composition, wherein the upper surface is less tacky than the lower surface whereby the upper release sheet can be removed from the upper surface more readily than the lower release sheet can be removed from the lower surface. Also provided are methods for making such dressings.

    EXTENSIBLE DRESSINGS
    7.
    发明申请
    EXTENSIBLE DRESSINGS 审中-公开

    公开(公告)号：US20200155361A1

    公开(公告)日：2020-05-21

    申请号：US16615339

    申请日：2018-05-21

    Applicant: KCI USA, INC. ,  SYSTAGENIX WOUND MANAGEMENT, LIMITED

    Inventor： William PIGG ,  Sally STEPHENS

    IPC: A61F13/02 ,  A61L15/58 ,  A61F13/00

    Abstract: Described herein are dressings for incision management comprising a dressing layer that comprises: an elastic layer such as a hydrocolloid or foam layer; and an absorbent layer coupled, for example by lamination, to the elastic layer and which comprises: (i) from about 45% to about 90% carboxymethyl cellulose fibers; and (ii) from about 10% to about 55% elastic reinforcing fibers. Though the elastic layer may be substantially elastically deformable under tissue treatment conditions and the absorbent layer may be not elastically deformable under tissue treatment conditions, the coupling together of the elastic layer and the absorbent layer may result in a dressing layer, and advantageously a dressing, that is substantially elastically deformable under tissue treatment conditions. Methods for manufacturing such dressings and of eliminating, minimizing, or reducing edema using such dressings are also described herein.

    Wound Dressing With Adhesive Margin
    8.
    发明申请
    Wound Dressing With Adhesive Margin 审中-公开

    公开(公告)号：US20180021180A1

    公开(公告)日：2018-01-25

    申请号：US15659486

    申请日：2017-07-25

    Applicant: KCI USA, Inc.

    Inventor： William PIGG ,  Michelle DELBONO ,  Sally STEPHENS

    IPC: A61F13/02 ,  A61F13/15

    CPC classification number: A61F13/0263 ,  A61F13/0203 ,  A61F13/0206 ,  A61F13/0246 ,  A61F13/025 ,  A61F13/0253 ,  A61F13/0289 ,  A61F13/15707 ,  A61F2013/15715

    Abstract: A wound dressing comprising: a backing sheet; a layer of pressure-sensitive adhesive on the backing sheet; an island of absorbent material having smaller area than the backing sheet and applied onto a central region of the backing sheet so as to leave a margin of adhesive-coated backing sheet around the absorbent material, and an apertured wound facing layer applied over the absorbent material and adhered to the backing sheet around said island by said pressure-sensitive adhesive, wherein the apertured wound facing layer comprises an apertured substrate having a coating of a silicone gel on the wound facing surface thereof, the open area of the apertured wound facing layer is from about 5% to about 75%, and the apertured wound facing layer comprises apertures having an open area of from about 2 mm2 to about 100 mm2.

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