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公开(公告)号：US20210161721A1
公开(公告)日：2021-06-03
申请号：US17045213
申请日：2019-04-05
Applicant: KCI LICENSING, INC.
Inventor： Christopher A. CARROLL , Matthew F. CAVANAUGH, II , Shannon C. INGRAM , Justin RICE
Abstract: A cutting template for use with a negative pressure wound therapy system includes a substantially rigid body. The body includes a top surface, a bottom surface, a height, and a recess. The top surface is configured to engage a drape layer. The bottom surface is configured to engage a dressing layer. The height is defined between the top surface and the bottom surface. The height is configured to create a gap between the drape layer and the dressing layer. The recess is disposed substantially about a perimeter of the body. The recess is configured to receive an edge of a cutting tool so that an opening is formed in the drape layer when the edge is traversed about the perimeter.
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公开(公告)号：US20200146896A1
公开(公告)日：2020-05-14
申请号：US16678292
申请日：2019-11-08
Applicant: KCI Licensing, Inc.
Inventor： Justin RICE , Christopher Allen CARROLL , Shannon C. INGRAM
Abstract: A dressing that includes a contact layer having walls defining a plurality of holes and a retainer layer comprising portions protruding into holes of a contact layer is provided herein. Systems, methods and kits using the dressing for debriding a tissue site are also provided herein.
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公开(公告)号：US20230016336A1
公开(公告)日：2023-01-19
申请号：US17957739
申请日：2022-09-30
Applicant: KCI Licensing, Inc.
Inventor： Javier GONZALEZ , Shannon C. INGRAM
Abstract: A wound therapy system includes a dressing sealable over a wound and defining a wound space between the dressing and the wound, tubing fluidly communicable with the wound space, and a canister fluidly communicable with the tubing. The canister, the tubing, and the dressing define a sealed space that includes the wound space. The wound therapy system also includes a therapy unit coupled to the canister. The therapy unit includes a sensor configured to measure a pressure in the sealed space, a valve positioned between the sealed space and a surrounding environment and controllable between an open position and a closed position, and a control circuit. The control circuit is configured to control the valve to alternate between the open position and the closed position to allow airflow through the valve, receive measurements from the sensor, and determine a volume of the wound space based on the measurements.
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公开(公告)号：US20230000687A1
公开(公告)日：2023-01-05
申请号：US17779755
申请日：2020-12-03
Applicant: KCI Licensing, Inc.
Inventor： Justin RICE , Shannon C. INGRAM , James Killingworth SEDDON , Christopher A. CARROLL , Victor CLARKE
Abstract: Apparatuses, systems, and methods for treating a tissue site are described. The apparatus includes a dressing for treating a tissue site. The dressing includes a contact layer having a first side and a second side configured to be positioned adjacent to the tissue site. A plurality of holes extend through the contact layer from the first side to the second side. The dressing also includes a retainer layer coupled to the first side of the contact layer.
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公开(公告)号：US20220370255A1
公开(公告)日：2022-11-24
申请号：US17767343
申请日：2020-10-06
Applicant: KCI Licensing, Inc.
Abstract: A dressing for an internal cavity may include a connector, a negative pressure pathway layer, an instillation pathway layer, a negative pressure manifold, and an instillation manifold. The negative pressure manifold can be disposed within the negative pressure pathway layer and the instillation manifold can be disposed within the instillation pathway layer. A proximate end of the negative pressure manifold can be fluidly coupled with a first channel of the connector. The proximate end of the instillation manifold can be fluidly coupled with a second channel of the connector. The negative pressure pathway layer and the instillation pathway layer can be configured to cooperatively form an inner volume therebetween. The inner volume may be configured to receive a space filler. The negative pressure pathway layer, the instillation pathway layer, and the space filler can be collectively configured to be positioned within the internal cavity.
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Patent Agency Ranking
公开(公告)号：US20210077671A1
公开(公告)日：2021-03-18
申请号：US16982415
申请日：2019-03-25
Applicant: KCI LICENSING, INC.
Inventor： Brett L. MOORE , Shannon C. INGRAM , Justin R. RICE
IPC: A61M1/00
Abstract: A wound therapy system includes a negative pressure circuit configured to apply negative pressure to a wound, a pump fluidly coupled to the negative pressure circuit and operable to control the negative pressure within the negative pressure circuit, a pressure sensor configured to measure the negative pressure within the negative pressure circuit or at the wound and a controller communicably coupled to the pump and the pressure sensor. The controller is configured to execute a pressure testing procedure including applying a pressure stimulus to the negative pressure circuit, observe a dynamic pressure response of the negative pressure circuit to the pressure stimulus using pressure measurements recorded by the pressure sensor, and estimate a wound volume of the wound based on the dynamic pressure response.
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7.发明申请公开(公告)号：US20140330227A1
公开(公告)日：2014-11-06
申请号：US14334510
申请日：2014-07-17
Applicant: KCI Licensing, Inc.
Inventor： Richard Daniel John COULTHARD , Christopher Brian LOCKE , Shannon C. INGRAM , Timothy Mark ROBINSON
CPC classification number: A61M1/009 , A61F13/0206 , A61F13/0216 , A61F13/0223 , A61F13/0289 , A61M1/0023 , A61M1/0086 , A61M1/0088 , A61M2205/18 , A61M2205/3379 , A61M2205/75 , A61M2205/7536 , A61M2207/00 , Y10T29/49826
Abstract: Systems, methods, and apparatuses are presented that facilitate the provision of reduced pressure to a tissue site by using a delivery-and-fluid-storage bridge, which separates liquids and gases and provides a flow path for reduced pressure. In one instance, a delivery-and-fluid-storage bridge includes a delivery manifold for delivering reduced pressure to a treatment manifold at the tissue site and an absorbent layer proximate the delivery manifold adapted to receive and absorb liquids. The delivery manifold and the absorbent layer are encapsulated in an encapsulating pouch. A first aperture is formed proximate a first longitudinal end of the delivery-and-fluid-storage bridge for fluidly communicating reduced pressure to the delivery manifold from a reduced-pressure source, and a second aperture is formed on a patient-facing side of the delivery-and-fluid-storage bridge. Reduced pressure is transferred to the tissue site via the second aperture. Other systems, apparatuses, and methods are disclosed.
Abstract translation: 提出了通过使用分离液体和气体并提供用于减压的流动路径的输送和流体存储桥梁来促进向组织部位提供减压的系统，方法和装置。 在一个实例中，输送和流体储存桥包括用于将减压递送到组织部位处的治疗歧管的输送歧管和适于接收和吸收液体的靠近输送歧管的吸收层。 输送歧管和吸收层被封装在封装袋中。 在输送和流体储存桥的第一纵向端附近形成第一孔，用于从减压源将减压流体输送到输送歧管，并且第二孔形成在 输送和储液桥。 减压通过第二孔转移到组织部位。 公开了其他系统，装置和方法。
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公开(公告)号：US20240009377A1
公开(公告)日：2024-01-11
申请号：US17795077
申请日：2021-01-27
Applicant: KCI Licensing, Inc.
Inventor： Edward LEE , Christopher Brian LOCKE , Jordan TRAXLER , Elizabeth TRIMBLE , Shannon C. INGRAM , Jessica SNOW
IPC: A61M1/00
Abstract: A wound therapy system includes a dressing sealable over a wound, a conduit comprising a first inner diameter, coupled to the dressing, and fluidly communicable with the wound space, and a canister fluidly communicable with the conduit. A therapy unit is coupled to the canister and includes a pump, a sensor configured to measure a pressure, a valve controllable between an open position and a closed position, and a control circuit. The control circuit is configured to control the pneumatic pump to remove air to establish a negative pressure, control the valve to repeatedly alternate between the open closed positions to allow a controlled rate of airflow through the valve, receive measurements of the pressure from the sensor, and determine a volume of the wound space based on the pressure measurements. A portion of the conduit comprises a second inner diameter that is less than the first inner diameter.
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公开(公告)号：US20230001070A1
公开(公告)日：2023-01-05
申请号：US17943834
申请日：2022-09-13
Applicant: KCI Licensing, Inc.
Inventor： Justin RICE , Shannon C. INGRAM , Brett L. MOORE
Abstract: A volume of a wound is estimated using a dynamic pressure response measured during instillation of fluid to the wound using a negative pressure wound therapy system. A previously estimated wound volume may be used to detect and prevent overfill of fluid to the wound during future instillation events. For example, real-time pressure measurements may be compared to model data representative of expected pressure at a wound having a volume equal to the previously estimated wound volume, with instillation being stopped if the observed pressure varies from the expected pressure. A comparison of a total volume of fluid instilled to the wound may also be compared to the previously estimated wound volume to prevent overfill. The comparison of wound volume estimated based on an instillation event may also be compared to a wound volume estimated using other methods to provide a higher confidence wound volume estimate.
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公开(公告)号：US20220288297A1
公开(公告)日：2022-09-15
申请号：US17624958
申请日：2020-07-16
Applicant: KCI Licensing, Inc.
Inventor： Christopher A. CARROLL , Christopher Brian LOCKE , Shannon C. INGRAM , Justin RICE
Abstract: A customizable wound treatment system for treating multiple zones of a wound includes a dressing configured for use with a first zone and a second zone of a wound that includes a first foam layer placed over the first zone, a second foam layer placed over the second zone, a first drape layer disposed over the first foam layer and beneath the second foam layer, and a second drape layer disposed over the second foam layer. The customizable wound treatment system includes a negative pressure source pneumatically coupled to the first foam layer and the second foam layer and operable to create a negative pressure at the first zone and the second zone and a fluid instillation pump fluidly coupled to the first foam layer and configured to instill a treatment fluid to the first zone.
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