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公开(公告)号：WO2020263903A1
公开(公告)日：2020-12-30
申请号：PCT/US2020/039257
申请日：2020-06-24
申请人： KCI LICENSING, INC.
IPC分类号： A61L26/00
摘要： Devices for delivering a flowable tissue dressing material for treating a tissue site are described. The devices include a first zone including a first reactant, such as a polyol, and a second zone including a second reactant, such as a multi-isocyanate, which can be mixed together to form a flowable tissue dressing material. The device can also include a flowable tissue dressing material including a reacted polymer present in a carrier. Kits and methods including and/or using the devices are also described.
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2.发明申请
公开(公告)号：WO2020263894A1
公开(公告)日：2020-12-30
申请号：PCT/US2020/039243
申请日：2020-06-24
申请人： KCI LICENSING, INC.
摘要： Methods, apparatuses, and systems for administering negative pressure therapy to a tissue site are described. The methods, apparatuses and systems can include delivery devices for delivering a flowable tissue dressing material to a tissue site. The delivery devices can include a first zone including a first reactant, such as a polyol, and a second zone including a second reactant, such as a multi-isocyanate, which can be mixed together to form a flowable tissue dressing material. The delivery device can also include a flowable tissue dressing material including a reacted polymer present in a carrier.
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公开(公告)号：WO2020263481A1
公开(公告)日：2020-12-30
申请号：PCT/US2020/034562
申请日：2020-05-26
申请人： KCI LICENSING, INC.
发明人： LONG, Justin, Alexander , ROBINSON, Timothy, Mark , LOCKE, Christopher, Brian , EDWARDS, Thomas, Alan
摘要： Dressings and kits for use in wound therapy and negative-pressure therapy comprising a manifold layer comprising porous open-cell liquid permeable foam and a polymer composition The polymer composition comprises a polymer and an active agent, such as collagen and oxidized regenerated cellulose. The foam may be felted. Methods of making and using the dressings are also provided.
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4.发明申请
公开(公告)号：WO2020185810A1
公开(公告)日：2020-09-17
申请号：PCT/US2020/021954
申请日：2020-03-11
申请人： KCI LICENSING, INC.
摘要： This disclosure describes devices, systems, and methods related to a compound film. An exemplary compound film includes a first layer including a first polymer composition including polyurethane and a second layer including a second polymer composition removably coupled to the first layer. The compound film further includes light switchable adhesive coupled to the second layer and configured to transition from a first state to a second state, the light switchable adhesive has a first peel strength in the first state that is greater than a second peel strength of the light switchable adhesive in the second state. A third peel strength between the first layer and the second layer is less than the second peel strength between the light switchable adhesive in the first state and a bond site.
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公开(公告)号：WO2020159675A1
公开(公告)日：2020-08-06
申请号：PCT/US2020/012560
申请日：2020-01-07
申请人： KCI LICENSING, INC.
摘要： A dressing or wound filler comprising a laminate structure of materials. In one example embodiment, a dressing may include a first layer comprising a first film, a second layer adjacent to the first layer and comprising a foam, and a third layer comprising a second film. The first layer and the second layer may further include a plurality of perforations or fenestrations. The third layer may include a plurality of raised features. The perforations or fenestrations of the first and second layers may be positioned or aligned with the raised features of the third layer so as to facilitate tearing of the dressing for sizing and application purposes. In some embodiments, the first layer may comprise a polyurethane film, the second layer may comprise a polyurethane foam, and the third layer may comprise an additional polyurethane film.
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6.发明申请
公开(公告)号：WO2020146306A1
公开(公告)日：2020-07-16
申请号：PCT/US2020/012467
申请日：2020-01-07
申请人： KCI LICENSING, INC.
摘要： This disclosure describes devices, systems, and methods related to a connection point of a therapy system which includes light switchable adhesive and is configured to be switched by light provided by and/or via one or more components of the therapy system. An example of a connection point is an interface between two tubes of therapy system. An example of light provided to the exemplary connection point is light provided to one of the two tubes such that the light travels to the connection point, via at least the one tube, to switch the light switchable adhesive.
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公开(公告)号：WO2020081391A1
公开(公告)日：2020-04-23
申请号：PCT/US2019/055872
申请日：2019-10-11
申请人： KCI LICENSING, INC.
摘要： A dressing, system, and method for use with negative-pressure treatment is described. The dressing includes a tube formed from a non-porous material. The tube can have a first end, a second end, a lumen extending from the first end to the second end, and a wall surrounding the lumen. At least one blister is formed in the wall of the tube, the at least one blister proximate to the second end of the tube. At least one aperture is formed in the wall of the second end of the tube. The at least one aperture is configured to provide fluid communication across the wall from the lumen to an exterior of the tube.
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公开(公告)号：WO2020055945A1
公开(公告)日：2020-03-19
申请号：PCT/US2019/050513
申请日：2019-09-11
申请人： KCI LICENSING, INC.
摘要： Systems, apparatuses, and methods for providing negative pressure and/or instillation to a tissue site are disclosed. Illustrative embodiments may include an apparatus or system comprising a dressing for treating a tissue site with negative pressure. For example, the dressing may comprise or consist essentially of a fluid-management layer, a vapor-transfer surface, and a thermochromic material on the vapor-transfer surface or in the vapor-transfer surface and configured to change color in response to fluid movement through the dressing. Methods of manufacturing and using the dressing are also disclosed.
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公开(公告)号：WO2020055934A1
公开(公告)日：2020-03-19
申请号：PCT/US2019/050497
申请日：2019-09-11
申请人： KCI LICENSING, INC.
IPC分类号： A61F13/02
摘要： Provided herein are systems and methods for trauma-free removal of light deactivated adhesive drapes. In one aspect a system comprises a drape, at least one first photosensitive adhesive portion having a first release agent configured to deactivate upon exposure to certain ultraviolet light, and at least one second photosensitive adhesive portion having a second release agent configured to deactivate upon exposure to certain visible light, where the system is adapted to be released from a tissue site upon or after exposure to an external stimulus. The system may have a removable blocking layer to prevent the second photosensitive adhesive portions from being exposed to the visible light deactivation wavelengths prematurely. In another aspect, a method for removal of a drape by applying visible light to the drape to deactivate the second photosensitive adhesive portions and promote trauma-free removal of the drape in the absence of an ultraviolet light source.
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公开(公告)号：WO2018227144A1
公开(公告)日：2018-12-13
申请号：PCT/US2018/036740
申请日：2018-06-08
申请人： KCI LICENSING, INC.
摘要： Systems, apparatuses, and methods for providing negative-pressure therapy with oxygen therapy are claimed. An apparatus for providing negative pressure therapy with normobaric or hypobaric oxygen therapy may include dressing having a tissue interface and a cover. Additionally, in some embodiments, the apparatus may include a negative-pressure source and an oxygen-concentrating or oxygen-generating source, each of which may be coupled to or configured to be coupled to the tissue interface. The tissue interface can enable fluid transport during negative-pressure therapy cycles, and disbursement of normobaric or hyperbaric oxygen during oxygen therapy cycles. For example, some embodiments of the tissue interface may comprise structures or foams constructed from polyurethane, silicone, or polyvinyl chloride. The cover should be versatile enough to conform to a tissue site, yet be sufficiently inelastic or become sufficiently inelastic to contain and sustain the pressure from the application of topical normobaric oxygen therapy or hypobaric oxygen therapy.
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