公开(公告)号：US20220105231A1

公开(公告)日：2022-04-07

申请号：US17644296

申请日：2021-12-14

Applicant: KCI Licensing, Inc.

Inventor： Christopher Brian LOCKE ,  Timothy Mark ROBINSON

IPC: A61L15/42 ,  A61L15/26 ,  A61F13/00

Abstract: Disclosed herein are embodiments of a wound dressing layer. The 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.

公开(公告)号：US20220031934A1

公开(公告)日：2022-02-03

申请号：US17299177

申请日：2019-12-06

Applicant: KCI Licensing, Inc.

Inventor： Christopher Brian LOCKE ,  Justin Alexander LONG

IPC: A61M1/00 ,  A61F13/00

Abstract: 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 an ambient port for providing the pressure sensor and the humidity sensor with access to the ambient environment providing readings relative to the atmospheric pressure and humidity.

公开(公告)号：US20220016331A1

公开(公告)日：2022-01-20

申请号：US17292917

申请日：2019-11-11

Applicant: KCI LICENSING, INC.

Inventor： Timothy Mark ROBINSON ,  Christopher Brian LOCKE

IPC: A61M1/00

Abstract: This disclosure describes devices, systems, and methods related to a connector for a dressing, such as a dressing of a hyperbaric oxygen therapy system. An example of a connector includes a connector body configured to define at least a portion of a first channel. The connector also includes a viewing member coupled to the connector body. The connector further includes a deformable member positioned within the first channel. The deformable member is configured to deform based on a pressure associated with the deformable member and to provide a visual indication, via the viewing member, of the pressure.

公开(公告)号：US20220016330A1

公开(公告)日：2022-01-20

申请号：US17489465

申请日：2021-09-29

Applicant: KCI Licensing, Inc.

Inventor： Benjamin Andrew PRATT ,  Christopher Brian LOCKE ,  Aidan Marcus TOUT

IPC: A61M1/00

Abstract: A reduced-pressure system for delivering reduced pressure for medical purposes to a desired site and to receive fluids in one instance includes a reservoir having an interior space operable to contain the fluids. A reduced-pressure delivery conduit is placed in fluid communication with the interior space for delivering the reduced pressure to the desired site. A source conduit and a pressure sensor conduit are placed in fluid communication with the interior space. A pressure sensor is placed in fluid communication with the pressure sensor conduit. A reduced-pressure source is placed in fluid communication with the source conduit. A reduced-pressure control unit is associated with the pressure sensor and the reduced-pressure source and is operable to receive pressure data from the pressure sensor and supply data from the reduced-pressure source and to determine when a reservoir-full/blockage condition exists. Other systems and methods are presented.

公开(公告)号：US20210330508A1

公开(公告)日：2021-10-28

申请号：US17370965

申请日：2021-07-08

Applicant: KCI Licensing, Inc.

Inventor： Aidan Marcus TOUT ,  Richard Daniel John COULTHARD ,  Christopher Brian LOCKE ,  Timothy Mark ROBINSON

IPC: A61F13/00 ,  A61M1/00

Abstract: Systems, methods, and dressing are presented for treating a tunnel wound on a patient. In one instance, a reduced-pressure, tunnel-wound dressing includes a longitudinal core member formed from a closed-cell foam that is surrounded by a first longitudinal concentric member formed from a manifolding material. When subjected to reduced pressure, the longitudinal core member expands and the first longitudinal concentric member compresses. These actions create intimate contact between the tunnel wound and the dressing, oppose collapse of the tunnel, and when reduced pressure is removed provide clearance to remove the dressing. Other embodiments are presented.

公开(公告)号：US20210260270A1

公开(公告)日：2021-08-26

申请号：US17316171

申请日：2021-05-10

Applicant: KCI Licensing, Inc.

Inventor： Christopher Brian LOCKE ,  David Robson BLANDFORD ,  Richard Daniel John COULTHARD

IPC: A61M1/00

Abstract: An apparatus and method for managing reduced pressure at a tissue site are disclosed. The apparatus comprises a pump for supplying reduced pressure to the tissue site, a motor coupled to the pump to propel the pump, and a drive system electrically coupled to the motor that includes a power source that provides a source of direct current power to the motor during an operational period at a substantially constant current and of sufficient magnitude to supply a targeted reduced pressure during the operational period. The drive system also includes a controller that monitors the pump's loading on the motor by measuring the voltage across the motor to determine whether the motor voltage remains within a predetermined operational range of voltages necessary for maintaining the reduced pressure supplied by the pump proximate to the targeted reduced pressure without directly measuring the reduced pressure using a pressure sensor.

公开(公告)号：US20210220531A1

公开(公告)日：2021-07-22

申请号：US17220706

申请日：2021-04-01

Applicant: KCI Licensing, Inc.

Inventor： Benjamin Andrew PRATT ,  Christopher Brian LOCKE

IPC: A61M1/00 ,  A61M3/02 ,  A61M27/00

Abstract: Systems, apparatuses, and methods for instilling fluid to a tissue site in a negative-pressure therapy environment are described. Illustrative embodiments may include a pneumatically-actuated instillation pump that can draw a solution from a solution source during a negative-pressure interval, and instill the solution to a dressing during a venting interval. A pneumatic actuator may be mechanically coupled to a disposable distribution system that can provide a fluid path between the solution source and a distribution component. A bacterial filter may be disposed in the fluid path between the actuator and the distribution component to prevent contamination of the actuator during operation. The distribution system may be separated from the actuator and disposed of after operation, and the actuator may be re-used.

公开(公告)号：US20210196524A1

公开(公告)日：2021-07-01

申请号：US17204548

申请日：2021-03-17

Applicant: KCI Licensing, Inc.

Inventor： Christopher Brian LOCKE ,  John ELWOOD

IPC: A61F13/00 ,  A61F13/02 ,  B23K26/00 ,  B23K26/38 ,  B32B5/18 ,  B32B7/06 ,  B32B7/12 ,  B32B27/06 ,  B32B27/30 ,  B32B27/32 ,  B32B37/12 ,  B32B37/18

Abstract: A dressing for treating tissue with negative pressure may be a composite of dressing layers, including a release film, perforated gel layer, a perforated polymer film, a manifold, and an adhesive cover. A method of manufacturing the dressing may comprise providing a first layer, such as the gel layer, on a substrate, perforating the first layer on the substrate to create a plurality of apertures in the first layer, and creating an index of the plurality of apertures in the first layer. A laser can be calibrated based on the index. A second layer, such as the polymer film, may be coupled to the first layer, and a plurality of slots can be cut in the second layer with the laser. Each of the slots can be cut through one of the apertures in the first layer based on the index.

公开(公告)号：US20210161725A1

公开(公告)日：2021-06-03

申请号：US17265887

申请日：2019-08-06

Applicant: KCI LICENSING, INC.

Inventor： Thomas EDWARDS ,  Justin Alexander LONG ,  Christopher Brian LOCKE

IPC: A61F13/02 ,  A61F13/00 ,  A61M1/00

Abstract: A fluid management bridge for providing a fluid communication between a wound interface dressing and a negative pressure source is disclosed. The fluid management bridge comprises a first end having a first fluid port configured to be coupled to a port of the wound interface dressing and a second end having a second fluid port configured to be coupled to the negative pressure device. The first end of the fluid management bridge is configured to provide for central alignment of the first end with the port of the wound interface dressing.

公开(公告)号：US20210137745A1

公开(公告)日：2021-05-13

申请号：US17045868

申请日：2019-04-09

Applicant: KCI LICENSING, INC.

Inventor： Christopher Brian LOCKE

IPC: A61F13/00 ,  A61M1/00 ,  A61B46/20

Abstract: A dressing for treating a tissue site with negative pressure may include a first layer configured to deform under a first predetermined negative pressure, and a second layer. The second layer may include an indicator configured to remain visible or hidden until the first layer deforms.