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公开(公告)号：US20220087871A1
公开(公告)日：2022-03-24
申请号：US17424436
申请日：2020-01-08
Applicant: KCI Licensing, Inc.
Abstract: A system for applying negative-pressure therapy to an abdominal cavity. The system comprises: a tissue interface comprising a first contact layer and a second contact layer, each of the first contact layer and the second contact layer having perforations formed therein. The system also comprises a spacer layer disposed between the first contact layer and the second contact layer, the spacer layer configured to extend to different zones within the abdominal cavity. The system also includes a first sensor associated with the spacer layer and configured to acquire data associated with fluid at a first zone within the abdominal cavity and a first wireless transceiver associated with the first sensor and configured to transmit the data to an external therapy control device.
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公开(公告)号：US11278454B2
公开(公告)日：2022-03-22
申请号：US16529615
申请日：2019-08-01
Applicant: KCI Licensing, Inc.
Inventor： Thomas Alan Edwards , Christopher Brian Locke , Timothy Mark Robinson
Abstract: A low-profile dressing interface or connector may comprise at least two side-by-side fluid pathways fluidly coupled to a recessed space of the connector, one for providing negative pressure to a tissue interface and the other for sensing negative pressure within the recessed space adjacent the tissue interface. The apparatus may comprise a top layer having a plurality of closed cells with tapered sidewalls. The apparatus may also comprise a base layer forming a sealed space between the top layer and the base layer. The base layer may further include a plurality of closed cells having tapered sidewalls. The apparatus may then further comprise a barrier coupled between the top layer and the base layer to form two fluid pathways within the sealed space.
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公开(公告)号：US20220084674A1
公开(公告)日：2022-03-17
申请号：US17535144
申请日：2021-11-24
Applicant: KCI Licensing, Inc.
Inventor： Gregory PHILLIPS , Brian ROBEY
Abstract: Systems, methods, and apparatuses for treating a tissue site are described. In some embodiments, the system may include a dressing, a negative-pressure source, and a communication device. The communication device may be coupled to the negative-pressure source and configured to transmit operational data of the negative pressure source to a remote location for monitoring usage of the system.
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公开(公告)号：US11266537B2
公开(公告)日：2022-03-08
申请号：US16650809
申请日：2018-09-18
Applicant: KCI Licensing, Inc.
Inventor： Timothy Mark Robinson , Justin Alexander Long
Abstract: A dressing for treating a tissue site, particularly a peritoneal or abdominal site, is disclosed. The dressing may comprise: a substrate; an adherent layer coupled to a surface of the substrate; and a fibrous layer comprising fibers coupled to a surface of the adherent layer opposite the substrate. Typically, the fibrous layer satisfies one or more of the following: at least 75% of the fibers are coupled approximately perpendicular to the surface of the substrate; at least 95% of the fibers in the fibrous layer have a length to diameter aspect ratio from about 10 to about 1000; and no more than 10% of the fibers are coupled approximately tangential to the surface of the substrate. Optionally, the fibrous layer may be formed by a flocking process. Methods of treating various tissue sites using the dressings and negative-pressure therapy are also disclosed.
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公开(公告)号：US11259968B2
公开(公告)日：2022-03-01
申请号：US16360601
申请日：2019-03-21
Applicant: KCI Licensing, Inc.
Inventor： Timothy Mark Robinson , Christopher Brian Locke
IPC: A61F13/02 , A61F13/00 , B29C59/14 , A61M1/00 , A61L15/26 , A61L15/58 , C08L83/04 , C09J183/04 , B29L31/26 , B29L31/00
Abstract: A system for treating a tissue site includes a reduced-pressure source to apply reduced pressure, a manifold in fluid communication with the pressure source to provide reduced pressure to the tissue site, and a drape for adhering to the tissue site to cover the tissue site and the manifold. The drape includes an adhesive layer for sealing the drape to the tissue site to create a sealed space having the manifold therein, and a non-adhesive layer formed from a portion of the adhesive layer. A method for manufacturing a medical drape includes providing a sheet of adhesive material and treating a side of the sheet of adhesive material to form a non-adhesive layer and an adhesive layer. The method laminates a release liner adjacent the adhesive layer.
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Patent Agency Ranking
公开(公告)号：US11246975B2
公开(公告)日：2022-02-15
申请号：US15571238
申请日：2016-05-08
Applicant: KCI Licensing, Inc.
Abstract: Systems, assemblies, and methods for providing negative-pressure therapy to a tissue site are described. The system can include an absorbent and a sealing layer configured to cover the absorbent. The system can also include a blister fluidly coupled to the absorbent. The blister may have a collapsed position and an expanded position. A first check valve may be fluidly coupled to the absorbent and the blister and configured to prevent fluid flow from the blister into the absorbent if the blister is moved from the expanded position to the collapsed position. A second check valve may be fluidly coupled to the blister and the ambient environment and configured to prevent fluid flow from the ambient environment into the blister if the blister is moved from the collapsed position to the expanded position.
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公开(公告)号：US20220023525A1
公开(公告)日：2022-01-27
申请号：US17492980
申请日：2021-10-04
Applicant: KCI Licensing, Inc.
Inventor： Keith Patrick HEATON , Timothy Mark ROBINSON , Christopher Brian LOCKE
Abstract: A system for applying reduced pressure to tissue includes a multi-lumen reduced pressure delivery tube having a proximate end, a distal end, a primary lumen extending through the conduit from the proximate end to the distal end, and an ancillary lumen extending through the conduit from the proximate end to the distal end. A vacuum pump is coupled to the proximate end of the primary lumen, and a reduced pressure adapter is coupled to the distal end of the reduced pressure delivery tube. The adapter includes channels to direct liquid away from the ancillary lumens and into the primary lumen.
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公开(公告)号：US11229719B2
公开(公告)日：2022-01-25
申请号：US16473169
申请日：2018-01-03
Applicant: KCI Licensing, Inc.
Inventor： Christopher Brian Locke , Timothy Mark Robinson
Abstract: A wound dressing layer may include an open-cell foam. The foam may have a 50% compression force deflection of not more than about 4.8 kPa. The foam may also have a density of at least 24 kg/m3. The foam may exhibit a density increase of a factor of at least 12 at about −75 mmHg.
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公开(公告)号：US20220001096A1
公开(公告)日：2022-01-06
申请号：US17281668
申请日：2019-09-27
Applicant: KCI Licensing, Inc.
Inventor： Christopher Brian LOCKE , Thomas Alan EDWARDS
Abstract: An apparatus for use in treating a tissue site with negative pressure, which may comprise a fluid path between a first end and a second end. The fluid conductor may additionally comprise a plurality of pressure indicators configured to indicate a pressure state between the first end and the second end. In some examples, the fluid conductor may be fluidly coupled to a source of negative pressure and a dressing, which can be configured to be applied to a tissue site for treatment with negative pressure.
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公开(公告)号：US20220001095A1
公开(公告)日：2022-01-06
申请号：US17292662
申请日：2019-10-21
Applicant: KCI Licensing, Inc.
Inventor： Christopher Brian LOCKE , Benjamin Andrew PRATT
Abstract: In some examples, provided is a fluid blockage device for use with a reduced-pressure source for treating a tissue site with reduced pressure. The fluid blockage device may be configured to preclude fluid communication through a port fluidly coupled to the reduced-pressure source when the fluid blockage device contacts a liquid. Other devices, systems, and methods are disclosed.
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