公开(公告)号：US10278870B2

公开(公告)日：2019-05-07

申请号：US15387928

申请日：2016-12-22

Applicant: KCI Licensing, Inc.

Inventor： Timothy Mark Robinson ,  Christopher Brian Locke

IPC: A61F13/00 ,  A61F13/02 ,  A61M1/00 ,  A61M27/00 ,  B29C59/14 ,  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.

公开(公告)号：US10265446B2

公开(公告)日：2019-04-23

申请号：US14919055

申请日：2015-10-21

Applicant: KCI Licensing, Inc.

Inventor： Christopher Brian Locke ,  Timothy Mark Robinson ,  James A. Luckemeyer

IPC: A61F13/00 ,  A61M1/00 ,  A61F13/02 ,  A61B46/20

Abstract: A sealing system that includes a switchable drape is presented. The drape provides enhanced sealing by using a high-strength adhesive. In one instance, the switchable drape has a plurality of perforations through which a switching solution may be delivered to the high-strength adhesive. The switching solution causes the high-strength adhesive to become less adhesive so that the switchable drape may be removed more easily. Other systems, methods, and drapes are presented.

公开(公告)号：US20190091451A1

公开(公告)日：2019-03-28

申请号：US16178376

申请日：2018-11-01

Applicant: KCI Licensing, Inc.

Inventor： Christopher Brian Locke ,  Aidan Marcus Tout ,  Benjamin Andrew Pratt

IPC: A61M27/00 ,  B01D19/00

Abstract: A reduced pressure treatment system includes a liquid-collection canister for collecting liquid from a tissue site to which reduced pressure treatment is applied. The canister includes a first space configured to collect the liquid from the tissue site and a filter having a frame and a non-planar filter element. The filter defines a second space within the canister separated from the first space by the filter element. The filter element substantially prevents liquid from passing from the first space into the second space. The filter element substantially allows gaseous communication between the first space and the second space when the second space is exposed to a reduced pressure.

公开(公告)号：US10219952B2

公开(公告)日：2019-03-05

申请号：US14023870

申请日：2013-09-11

Applicant: KCI Licensing, Inc.

Inventor： Christopher Brian Locke ,  Benjamin A. Pratt

IPC: A61F13/00 ,  A61M1/00

Abstract: In one example embodiment, a dressing connector is described that provides a first fluid path between a first connector and a second connector, and a second fluid path between a third connector and a fourth connector. A liquid barrier may be disposed in the first fluid path. The first fluid path and the second fluid path are generally exposed to an exterior surface of the dressing connector. In some embodiments, a tube may also be bonded to the third connector to provide a third fluid path between the dressing connector and another component. In more particular embodiments, the liquid barrier may be a filter, such as a hydrophobic bacterial filter, a sintered polymer filter, and/or a charcoal filter.

公开(公告)号：US20180353639A1

公开(公告)日：2018-12-13

申请号：US16106324

申请日：2018-08-21

Applicant: KCI Licensing, Inc.

Inventor： Christopher Brian Locke ,  Timothy Mark Robinson ,  Breda Mary Cullen

IPC: A61L15/42 ,  A61L15/32 ,  A61H9/00 ,  A61L15/28 ,  A61L15/22

CPC classification number: A61L15/42 ,  A61H9/0057 ,  A61L15/225 ,  A61L15/28 ,  A61L15/325 ,  A61L15/425 ,  A61L2430/34

Abstract: Systems, methods, and apparatuses for modulating proteases including matrix metalloproteinase (MMP), elastase, and bacterial protease in a negative pressure therapy system are described. A mesh having a sacrificial substrate is included. The sacrificial substrate includes a plurality of collagen fibers reinforced with a supporting material and intersecting with each other to form a network of collagen fibers having a plurality openings. The openings of the plurality of openings have an average area between about 0.5 mm2 and about 20 mm2 to permit the flow of negative pressure through the mesh. The sacrificial substrate can also include oxidized regenerated cellulose.

公开(公告)号：US10149966B2

公开(公告)日：2018-12-11

申请号：US14938587

申请日：2015-11-11

Applicant: KCI Licensing, Inc.

Inventor： Christopher Brian Locke ,  Aidan Marcus Tout ,  Benjamin Andrew Pratt

IPC: A61M27/00 ,  B01D19/00

Abstract: A reduced pressure treatment system includes a liquid-collection canister for collecting liquid from a tissue site to which reduced pressure treatment is applied. The canister includes a first space configured to collect the liquid from the tissue site and a filter having a frame and a non-planar filter element. The filter defines a second space within the canister separated from the first space by the filter element. The filter element substantially prevents liquid from passing from the first space into the second space. The filter element substantially allows gaseous communication between the first space and the second space when the second space is exposed to a reduced pressure.

公开(公告)号：US10124097B2

公开(公告)日：2018-11-13

申请号：US14148320

申请日：2014-01-06

Applicant: KCI Licensing, Inc.

Inventor： Benjamin A. 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：US10064759B2

公开(公告)日：2018-09-04

申请号：US14135120

申请日：2013-12-19

Applicant: KCI Licensing, Inc.

Inventor： Christopher Brian Locke ,  Timothy Mark Robinson ,  Richard Daniel John Coulthard

IPC: A61F13/00 ,  A61F13/02 ,  A61M1/00 ,  A61M27/00

Abstract: Methods for promoting re-epithelialization and granulation as an aspect of wound healing are presented. A method for promoting granulation and re-epithelialization of a wound at the same time involves using a reduced-pressure treatment dressing and applying a moist, water-sensitive barrier to promote re-epithelialization and to inhibit granulation. Other methods are also presented.

公开(公告)号：US10016543B2

公开(公告)日：2018-07-10

申请号：US14472738

申请日：2014-08-29

Applicant: KCI LICENSING, INC.

Inventor： Benjamin Andrew Pratt ,  Christopher Brian Locke

IPC: A61M1/00 ,  A61M39/22 ,  F16K31/385 ,  F16K17/08 ,  G05D16/06

CPC classification number: A61M1/0088 ,  A61M1/0027 ,  A61M1/0031 ,  A61M1/0035 ,  A61M2205/15 ,  A61M2205/18 ,  A61M2205/581 ,  A61M2205/582 ,  A61M2205/583 ,  F16K17/085 ,  F16K17/087 ,  F16K31/3855 ,  G05D16/06

Abstract: Systems, methods, and apparatuses for providing feedback for reduced-pressure therapy are described. A regulator can include a supply chamber fluidly coupled to a dressing, a control chamber fluidly coupled to the dressing, a charging chamber fluidly coupled to the supply chamber through a port, and a regulator valve operable to control fluid communication through the port based on a pressure differential between the control chamber and a target pressure. The feedback system can include a printed circuit board, a pressure sensor and a signal interface communicatively coupled to the printed circuit board. The pressure sensor can be fluidly coupled to the control chamber to determine the pressure in the control chamber. The signal interface can indicate a state of the reduced-pressure therapy. A potential source can be communicatively coupled to the printed circuit board, the pressure sensor, and the indicator.

公开(公告)号：US10016542B2

公开(公告)日：2018-07-10

申请号：US14162285

申请日：2014-01-23

Applicant: KCI Licensing, Inc.

Inventor： Christopher Brian Locke ,  Aidan Marcus Tout

IPC: A61M1/00

Abstract: A wound fluid collection system includes a canister with a chamber fluidly connected to a wound dressing in a tissue site through an inlet and also fluidly connected to a reduced pressure source through an outlet. At least a portion of the canister is collapsible and yet can be maintained in an extended state when exposed to subatmospheric pressure. The canister is releasably attachable to a supporting member.