System and method for interfacing with a reduced pressure dressing

• US 8,690,845 B2
• Filed: 07/15/2011
• Issued: 04/08/2014
• Est. Priority Date: 07/16/2010
• Status: Active Grant

• Current Assignee: Solventum Intellectual Properties Company (Solventum Corp.)
• Original Assignee: KCI Licensing Incorporated (3M Company)
• Inventors: Long, Justin Alexander, Tout, Aidan Marcus, Randolph, Larry Tab, Locke, Christopher Brian
• Primary Examiner(s): Thanh, Loan
• Assistant Examiner(s): Nguyen, Nyca T
• Application Number:
  US13/183,929
• Publication Number:
  US 20120016324A1
• Time in Patent Office: 998 Days
• Field of Search: 604/541, 604/543, 604/289, 604/304, 604/313, 604/319, 604/317, 604/322, 604/326, 604/318, 602/42, 602/43, 602/48, 602/53, 602/54, 602/58
• US Class Current: 604/319
• CPC Class Codes: A61M 1/912 Connectors between dressing and drainage tube
• CPC Class Codes: A61M 1/915 Constructional details of the pressure distribution manifold
• CPC Class Codes: A61M 1/966 having a pressure sensor on or near the dressing
• CPC Class Codes: A61M 2205/3344 Measuring or controlling pressure at the body treatment site

Abstract

Systems, devices, and methods for treating a tissue site on a patient with reduced pressure are presented. In one instance, a reduced-pressure interface includes a conduit housing having a cavity divided by a dividing wall into a reduced-pressure-application region and a pressure-detection region. The reduced-pressure interface further includes a reduced-pressure port disposed within the reduced-pressure-application region, a pressure-detection port disposed within the pressure-detection region, and a base connected to the conduit housing, the base having a manifold-contacting surface. The dividing wall includes a surface substantially coplanar with the manifold-contacting surface.

Claims

1. A reduced-pressure interface for connecting a reduced-pressure source to a manifold pad to treat a tissue site on a patient with reduced pressure, the reduced-pressure interface comprising:

a conduit housing having a first cavity separated from a second cavity by a dividing wall, the first cavity providing a reduced-pressure-application region and the second cavity providing a pressure-detection region;

a reduced-pressure port disposed within the reduced-pressure-application region;

a pressure-detection port disposed within the pressure-detection region;

a base connected to the conduit housing, the base having a manifold-contacting surface;

a plurality of circumferential channels concentrically disposed in the manifold-contacting surface to transmit reduced pressure from the reduced-pressure-application region to the pressure-detection region;

a plurality of first radial channels disposed in the manifold-contacting surface, the plurality of first radial channels in communication with the reduced-pressure-application region;

a plurality of second radial channels disposed in the manifold-contacting surface, the plurality of second radial channels in communication with the pressure-detection region;

wherein the plurality of circumferential channels provide communication between the plurality of first radial channels and the plurality of second radial channels; and

wherein the dividing wall includes a surface substantially coplanar with the manifold-contacting surface.

2. The reduced-pressure interface of claim 1,

wherein the manifold-contacting surface surrounds the pressure-detection region and the reduced-pressure-application region;

and

the reduced-pressure interface further comprising a flow-concentration region within the pressure-detection region to concentrate a flow of fluids from the pressure-detection region into the at least one channel in the manifold-contacting surface.

3. The reduced-pressure interface of claim 1, the reduced-pressure interface further comprising:

at least one fluid trap within the pressure-detection region proximate the pressure-detection port.

4. The reduced-pressure interface of claim 1, wherein the pressure-detection port is a first pressure-detection port, the reduced-pressure interface further comprising:

a second pressure-detection port disposed within the pressure-detection region;

a first fluid trap having a first flow-concentration region, the first fluid trap interposed between the first pressure-detection port and a first fluid pathway;

a second fluid trap having a second flow-concentration region, the second fluid trap interposed between the second pressure-detection port and a second fluid pathway; and

wherein the first and second fluid traps are operable to divert fluid flow from the first and second pressure-detection ports.

5. The reduced-pressure interface of claim 4, the reduced-pressure interface further comprising:

a barrier disposed between the first pressure-detection port and the second pressure-detection port operable to physically separate the first pressure-detection port from the second pressure-detection port; and

wherein the barrier includes a barrier surface substantially coplanar with the manifold-contacting surface.

6. A reduced-pressure interface for connecting a reduced-pressure source to a manifold pad to treat a tissue site on a patient with reduced pressure, the reduced-pressure interface comprising:

a conduit housing having a first cavity separated from a second cavity by a dividing wall, the first cavity providing a reduced-pressure-application region and the second cavity providing a pressure-detection region;

a pressure-detection lumen disposed within the pressure-detection region;

at least one fluid trap within the pressure-detection region proximate the pressure-detection lumen;

a base connected to the conduit housing, the base having a manifold-contacting surface;

a plurality of circumferential channels concentrically disposed in the manifold-contacting surface to transmit reduced pressure from the reduced-pressure-application region to the pressure-detection region;

a plurality of first radial channels disposed in the manifold-contacting surface, the plurality of first radial channels in communication with the reduced-pressure-application region;

a plurality of second radial channel disposed in the manifold-contacting surface, the plurality of second radial channels in communication with the pressure-detection region; and

wherein the plurality of circumferential channels provide communication between the plurality of first radial channels and the plurality of second radial channels.

7. The reduced-pressure interface of claim 6, wherein the pressure-detection lumen is a first pressure-detection lumen, the reduced-pressure interface further comprising:

a second pressure-detection lumen disposed within the pressure-detection region;

a first fluid trap having a first flow-concentration region, the first fluid trap interposed between the first pressure-detection lumen and a first fluid pathway;

a second fluid trap having a second flow-concentration region, the second fluid trap interposed between the second pressure-detection lumen and a second fluid pathway; and

wherein the first and second fluid traps are operable to divert fluid flow from the first and second pressure-detection lumens.

8. The reduced-pressure interface of claim 7, the reduced-pressure interface further comprising:

a barrier disposed between the first pressure-detection lumen and the second pressure-detection lumen operable to physically separate the first pressure-detection lumen from the second pressure-detection lumen; and

wherein the barrier includes a barrier surface substantially coplanar with the manifold-contacting surface.

9. The reduced-pressure interface of claim 6, the reduced-pressure interface further comprising a reduced-pressure lumen disposed within the reduced-pressure-application region.

10. The reduced-pressure interface of claim 6, wherein the dividing wall includes a surface substantially coplanar with the manifold-contacting surface.

11. The reduced-pressure interface of claim 6,

wherein the manifold-contacting surface surrounds the pressure-detection region and the reduced-pressure-application region;

and

the reduced-pressure interface further comprising a flow-concentration region within the pressure-detection region to concentrate a flow of fluids from the pressure-detection region into the at least one channel in the manifold-contacting surface.