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1. 发明授权

US12004926B2 Wound dressings and systems with remote oxygen generation for topical wound therapy and related methods 有权
公开(公告)号：US12004926B2
公开(公告)日：2024-06-11
申请号：US16648308
申请日：2018-09-18
申请人： KCI LICENSING, INC. , KCI USA, INC.
发明人： Justin Alexander Long , Christopher Brian Locke , Alexander Waite
IPC分类号： A61F13/05 , A61M1/00
CPC分类号： A61F13/05 , A61M1/85 , A61M1/915 , A61M1/94 , A61M1/964 , A61M2202/0208 , A61M2205/7536
摘要： This disclosure includes wound dressings and systems with remote oxygen generation for topical wound therapy and related methods. Some systems include a dressing for facilitating delivery of oxygen to the target tissue, the dressing having: a first manifold that defines a plurality of gas passageways and is configured to allow communication of oxygen to the target tissue; a gas-occlusive layer configured to be disposed over the first manifold and coupled to tissue surrounding the target tissue such that: an interior volume is defined between the gas-occlusive layer and the target tissue; and the gas-occlusive layer limits escape of oxygen from the interior volume between the gas-occlusive layer and the tissue surrounding the target tissue; a container outside the interior volume, the container having a sidewall that defines a chamber configured to be in fluid communication with the interior volume; and an oxygen-generating material disposed within the chamber of container and configured to release oxygen when exposed to water.

2. 发明授权

US11806466B2 Fluid ingress protection for NPWT device 有权
公开(公告)号：US11806466B2
公开(公告)日：2023-11-07
申请号：US16570789
申请日：2019-09-13
申请人： KCI LICENSING, INC.
发明人： Timothy Mark Robinson , Christopher Brian Locke , Colin John Hall
IPC分类号： A61M1/00 , A61F13/00
CPC分类号： A61M1/784 , A61F13/00055 , A61F13/00068 , A61M1/82 , A61M1/91 , A61M1/915 , A61M1/982 , A61M1/985 , A61M2205/0238
摘要： A negative pressure wound treatment (NPWT) system including a NWPT therapy unit and a wound dressing configured to overlay a wound bed. The NPWT system includes a first length of tubing comprising a first end and a second end, the first end of the first length of tubing coupled to the NWPT therapy unit and the second end of the first length of tubing having a first coupling half, as well as a second length of tubing having a first end and second end, the first end of the second length of tubing coupled to the wound dressing and the second end of the second length of tubing having a second coupling half. The NPWT system includes an inline filter comprising a sintered polymer and a superabsorbent material, and an inline coupling, wherein the inline coupling is configured to operably couple and de-couple the NPWT therapy unit and wound dressing.

3. 发明授权

US11771815B2 Therapy apparatus with integrated fluid conductors and noise attenuation 有权
公开(公告)号：US11771815B2
公开(公告)日：2023-10-03
申请号：US16584523
申请日：2019-09-26
申请人： KCI Licensing, Inc.
发明人： Benjamin Andrew Pratt , James Killingworth Seddon , Christopher Brian Locke , David Richard Mercer , Loren Francis
IPC分类号： A61M1/00 , A61M1/14 , B29L31/00
CPC分类号： A61M1/72 , A61M1/15 , A61M1/71 , A61M1/74 , A61M1/77 , A61M1/80 , A61M1/962 , A61M1/60 , A61M1/64 , A61M2207/00 , B29L2031/753
摘要： In one example embodiment, an apparatus may include a panel with integrated fluid channels, wherein the panel and the fluid channel consist only of surfaces that can be manufactured with a straight-pull mold. A port may also be integrated into the panel to facilitate coupling the fluid channel to pneumatic components in an assembly. A seal may be secured to the panel over the fluid channel to form an integrated fluid conductor. The seal is preferably an adhesive label that can also be used for product labeling. Such an apparatus may be used in a control unit of a therapy system, employing several integrated fluid conductors. A method of manufacturing may include molding a panel, wherein the mold forms a channel integral to the panel. The panel and the channel preferably consist of surfaces that can be molded with a straight-pull mold.

4. 发明授权

US11766363B2 Wound drain with fluid management 有权
公开(公告)号：US11766363B2
公开(公告)日：2023-09-26
申请号：US16091872
申请日：2017-04-07
申请人： KCI Licensing, Inc.
发明人： Christopher Brian Locke , James Killingworth Seddon , Benjamin Andrew Pratt
IPC分类号： A61F13/00 , A61F13/02 , A61M1/00
CPC分类号： A61F13/00068 , A61F13/0216 , A61M1/79 , A61M1/82 , A61M1/85 , A61M1/88 , A61M1/915 , A61M1/94 , A61M1/962 , A61M1/964 , A61M1/98 , A61M2205/3337 , A61M2205/7518 , A61M2209/088
摘要： A treatment system for applying negative pressure to a tissue site in conjunction with a venting or purging capability. In some embodiments, the treatment system may include a reduced-pressure source, an inline storage pouch, a purge chamber, and a dressing. Reduced-pressure may be supplied to the inline storage pouch and the dressing, while the purge chamber may provide a ventilation opening to the atmosphere.

5. 发明授权

US11708826B2 Wound treatment apparatuses and methods for controlled delivery of fluids to a wound 有权
公开(公告)号：US11708826B2
公开(公告)日：2023-07-25
申请号：US17089407
申请日：2020-11-04
申请人： KCI Licensing, Inc.
发明人： Christopher Brian Locke , David George Whyte
IPC分类号： A61M1/00 , F04B43/04 , A61M5/145 , A61M5/142 , F04B43/00 , F04B45/047 , F04B43/02 , F04B45/04 , F04B35/04
CPC分类号： F04B43/04 , A61M1/72 , A61M1/80 , A61M1/92 , A61M1/962 , A61M5/14224 , A61M5/14586 , F04B35/045 , F04B43/0081 , F04B43/02 , F04B45/04 , F04B45/047 , A61J2205/00 , A61M1/912 , A61M2205/12 , A61M2205/33 , A61M2205/3327 , A61M2205/3337 , A61M2205/60 , A61M2205/6054 , A61M2205/6072
摘要： Pump cassettes, wound-treatment apparatuses and methods. In some embodiments, a pump cassette comprises: a pump body having a pump chamber, an inlet valve in fluid communication with the pump chamber, and an outlet valve in fluid communication with the pump chamber; a diaphragm coupled to the pump body such that the diaphragm is movable to vary a volume in the pump chamber; and an identifier configured to store one or more properties of the pump cassette such that the identifier is readable by an automated reader to determine the one or more properties. In some embodiments, the pump cassette is configured to be removably coupled to a wound-treatment apparatus having an actuator such that the actuator can be activated to move the diaphragm.

6. 发明授权

US11690766B2 Composite dressings for improved granulation and reduced maceration with negative-pressure treatment 有权
公开(公告)号：US11690766B2
公开(公告)日：2023-07-04
申请号：US16000411
申请日：2018-06-05
申请人： KCI Licensing, Inc.
发明人： Christopher Brian Locke , Timothy Mark Robinson
IPC分类号： A61F13/00 , A61F13/02 , A61M1/00 , A61F13/15 , A61F13/537 , A61F13/534
CPC分类号： A61F13/00068 , A61F13/0216 , A61F13/0223 , A61F13/15203 , A61F13/537 , A61M1/915 , A61M1/962 , A61F13/0206 , A61F13/0213 , A61F2013/00217 , A61F2013/53445 , A61F2013/53782 , A61M1/985
摘要： A dressing may comprise a manifold having a first planar surface and a second planar surface opposite the first planar surface, and a first layer adjacent to the first planar surface and a second layer adjacent to the second planar surface. The first layer and the second layer may be laminated to the first planar surface and the second planar surface, respectively. Pressure-responsive fluid restrictions through at least one of the first layer and the second layer may be adjacent to the manifold. The first layer and the second layer may also form a sleeve or an envelope around the manifold in some embodiments. At least one of the first layer and the second layer may be configured to be disposed between the manifold and a tissue site in use. In some examples, the dressing may have a smooth or matte surface configured to contact a tissue site.

7. 发明授权

US11607343B2 Medical dressings, systems, and methods with thermally-enhanced vapor transmission 有权
公开(公告)号：US11607343B2
公开(公告)日：2023-03-21
申请号：US16527622
申请日：2019-07-31
申请人： KCI Licensing, Inc.
发明人： Benjamin Andrew Pratt , Christopher Brian Locke , Richard Daniel John Coulthard , Timothy Mark Robinson
IPC分类号： A61F13/00 , A61M1/00
摘要： Wounds dressings, systems, and methods are presented that involve using a patient's body heat to enhance liquid removal from the wound dressing through a high-moisture-vapor-transmission-rate drape. Additional heat sources or devices, such as nano-antennas or electrical heating elements, may be added or used separately to enhance the removal liquid from the wound dressing. Other dressings, systems, and methods are presented herein.

8. 发明授权

US11607342B2 Peel and place dressing for negative-pressure therapy 有权
公开(公告)号：US11607342B2
公开(公告)日：2023-03-21
申请号：US16000737
申请日：2018-06-05
申请人： KCI Licensing, Inc.
发明人： Christopher Brian Locke , Timothy Mark Robinson
IPC分类号： A61F13/00 , A61F13/02 , A61L15/26 , A61L15/24 , A61F13/15 , A61F13/511 , A61F13/512 , A61F13/513 , B29C65/78 , B32B3/26 , B32B27/06 , B32B5/18 , B32B27/32 , A61M1/00 , A61B46/20 , A61L15/52 , B29C65/04 , B29L31/00
摘要： A dressing for treating a tissue site with negative pressure may comprise a cover having an adhesive, a manifold, a perforated polymer film, and a perforated silicone gel having a treatment aperture. The cover, the manifold, the perforated polymer film, and the perforated silicone gel may be assembled in a stacked relationship with the cover and the perforated silicone gel enclosing the manifold. The perforated polymer film may be at least partially exposed through the treatment aperture, and at least some of the adhesive may be exposed through the perforated silicone around the treatment aperture.

9. 发明授权

US11554204B2 Systems and methods for controlling negative pressure therapy using properties of fluids from a tissue site 有权
公开(公告)号：US11554204B2
公开(公告)日：2023-01-17
申请号：US16961781
申请日：2019-01-15
申请人： KCI Licensing, Inc.
发明人： Justin Alexander Long , Benjamin Andrew Pratt , Christopher Brian Locke
IPC分类号： A61M1/00 , A61F13/00 , A61F13/02
摘要： 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 algorithms for processing such data for detecting leakage and blockage as well as providing information relating to the progression of healing of wounds at the tissue site. An illustrative method may comprise positioning a dressing interface having a pH sensor, a temperature sensor, a humidity sensor, and a pressure sensor at a tissue site, and applying reduced pressure to the dressing interface to draw fluids from the tissue interface in contact with the sensors to sense the pH, temperature, humidity, and pressure properties of the fluids flowing from the tissue site. The method may further comprise providing fluid data indicative of such properties to a processing element for processing the fluid data, and transmitting the data to another component in the system.

10. 发明授权

US11406750B2 Compression strain and negative pressure delivery indicator for a wound dressing 有权
公开(公告)号：US11406750B2
公开(公告)日：2022-08-09
申请号：US17045358
申请日：2019-04-09
申请人： KCI LICENSING, INC.
发明人： Christopher Brian Locke
IPC分类号： A61M1/00 , A61F13/00 , A61F13/02
摘要： An indicator configured to be attached to a wound dressing includes first and second parts. The wound dressing is configured to collapse in response to an applied negative pressure. The first and second indicator parts are configured to move relative to one another as the wound dressing is collapsed. The movement of the first and second indicator parts is configured to allow a user to easily visualize the compression of the wound dressing and monitor the application of the negative pressure to the wound dressing. A marker is provided along a top surface of the first part and a window is formed on the second part. The changes in the portion of the marker that is visible in the window as the first part is slid into or under the second part are configured to provide for easier detection of the collapse of the wound dressing by the user.

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