IP Library Granted Patent US 8,350,115
Granted Patent B2
US 8,350,115 · App. 12/199,695 · Granted Jan 8, 2013

Wound treatment apparatus employing reduced pressure

Assignee: KCI Licensing, Inc.
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 8,350,115
App. No.
12/199,695
Granted
Jan 8, 2013
Kind
B2
Abstract

An apparatus for stimulating healing of a wound, includes a porous pad adapted to contact a surface of the wound on an affected part of a body. An envelope for receiving the porous pad and the affected part of the body is provided, and the envelope includes a re-sealable opening that permits the wound to be inspected. A connector is fluidly connected to an interior of the envelope and to a source of negative pressure.

Claims (62)

1. An apparatus for stimulating healing of a wound, the apparatus comprising:

a porous pad adapted to contact a surface of the wound on an affected part of a body;

an envelope encompassing the porous pad and adapted to receive the affected part of the body, the envelope having a re-sealable opening that permits the wound to be inspected; and

a connector fluidly connected to an interior of the envelope and to a source of negative pressure.

2. The apparatus as claimed in claim 1 , wherein the source of negative pressure is a suction pump.

3. The apparatus as claimed in claim 1 , wherein the source of negative pressure is positioned outside the envelope.

4. The apparatus as claimed in claim 1 , wherein the envelope is formed from a cover that is air impermeable.

5. The apparatus as claimed in claim 1 , wherein the porous pad comprises a foam having intercommunicating cells.

6. The apparatus as claimed in claim 1 , wherein the envelope comprises a flexible plastic cover.

7. The apparatus as claimed in claim 1 , wherein the porous pad comprises a polyurethane foam.

8. The apparatus as claimed in claim 1 , wherein the porous pad comprises a lower base, a middle section, and an upper section.

9. The apparatus as claimed in claim 1 , wherein the porous pad is glove- or mitten-shaped to receive a hand of the body, the porous pad further comprising:

a lower base and an upper section forming a cavity to receive the hand; and

a middle section positioned within the cavity and including at least one finger-separator for positioning the hand within the cavity.

10. The apparatus as claimed in claim 9 , further comprising a V-cut type groove positioned on the at least one finger-separator.

11. The apparatus as claimed in claim 9 , wherein the envelope is substantially air-tight and further comprises:

a second opening through which the hand of the body may be introduced, the second opening being capable of being sealed to a wrist or lower arm of the body.

12. The apparatus as claimed in claim 9 , wherein the lower base is connected to the upper section.

13. The apparatus as claimed in claim 9 , wherein the porous pad comprises a glove, a sock, or a sleeve.

14. An apparatus for stimulating healing of a wound, the apparatus comprising:

a porous pad adapted to contact a surface of the wound on an affected part of a body;

an envelope encompassing the porous pad and adapted to receive the affected part of the body;

a connector fluidly connected to an interior of the envelope and to a source of negative pressure; and

a canister for collecting wound exudate.

15. The apparatus as claimed in claim 14 , wherein the source of negative pressure is a suction pump.

16. The apparatus as claimed in claim 14 , wherein the source of negative pressure is positioned outside the envelope.

17. The apparatus as claimed in claim 14 , wherein the envelope is formed from a cover that is air impermeable.

18. The apparatus as claimed in claim 14 , wherein the porous pad comprises a foam having intercommunicating cells.

19. The apparatus as claimed in claim 14 , wherein the envelope comprises a flexible plastic cover.

20. The apparatus as claimed in claim 14 , wherein the porous pad comprises a polyurethane foam.

21. The apparatus as claimed in claim 14 , wherein the porous pad comprises a lower base, a middle section, and an upper section.

22. The apparatus as claimed in claim 14 , wherein the porous pad is glove- or mitten-shaped to receive a hand of the body, the porous pad further comprising:

a lower base and an upper section forming a cavity to receive the hand; and

a middle section positioned within the cavity and including at least one finger-separator for positioning the hand within the cavity.

23. The apparatus as claimed in claim 22 , further comprising a V-cut type groove positioned on the at least one finger-separator.

24. The apparatus as claimed in claim 22 , wherein the envelope is substantially air-tight and further comprises:

a second opening through which the hand of the body may be introduced, the second opening being capable of being sealed to a wrist or lower arm of the body.

25. The apparatus as claimed in claim 22 , wherein the lower base is connected to the upper section.

26. The apparatus as claimed in claim 14 , wherein the porous pad comprises a glove, a sock, or a sleeve.

27. An apparatus for stimulating healing of a wound, the apparatus comprising:

a porous pad adapted to contact a surface of the wound on an affected part of a body;

an envelope encompassing the porous pad on the affected part of the body, the envelope having a re-sealable opening that permits the wound to be inspected; and

a connection means for connecting an interior of the envelope to a source of negative pressure.

28. The apparatus as claimed in claim 27 , wherein the connection means comprises a flange bonded to the envelope, a spout, and an aperture.

29. The apparatus as claimed in claim 27 , wherein the source of negative pressure is positioned outside the envelope and is fluidly connected to the connection means.

30. The apparatus as claimed in claim 27 , wherein the porous pad is glove- or mitten-shaped to receive a hand of the body, the porous pad further comprising:

a lower base and an upper section forming a cavity to receive the hand; and

a middle section positioned within the cavity and including at least one finger-separator for positioning the hand within the cavity.

31. The apparatus as claimed in claim 30 , wherein the envelope is substantially air-tight and further comprises:

a second opening through which the hand of the body may be introduced, the second opening being capable of being sealed to a wrist or lower arm of the body.

32. An apparatus for stimulating healing of a wound, the apparatus comprising:

a porous pad adapted to contact a surface of the wound on an affected part of a body;

an envelope encompassing the porous pad on the affected part of the body;

a connection means for connecting an interior of the envelope to a source of negative pressure; and

a canister for collecting wound exudate.

33. The apparatus as claimed in claim 32 , wherein the connection means comprises a flange bonded to the envelope, a spout, and an aperture.

34. The apparatus as claimed in claim 32 , wherein the source of negative pressure is positioned outside the envelope and is fluidly connected to the connection means.

35. The apparatus as claimed in claim 32 , wherein the porous pad is glove- or mitten-shaped to receive a hand of the body, the porous pad further comprising:

a lower base and an upper section forming a cavity to receive the hand; and

a middle section positioned within the cavity and including at least one finger-separator for positioning the hand within the cavity.

36. The apparatus as claimed in claim 35 , wherein the envelope is substantially air-tight and further comprises:

a second opening through which the hand of the body may be introduced, the second opening being capable of being sealed to a wrist or lower arm of the body.

Assignments (5)
RELEASE OF SECURITY INTEREST IN PATENTS Recorded Nov 7, 2019
From: WILMINGTON TRUST, NATIONAL ASSOCIATION
To: KCI USA, INC.; KCI LICENSING, INC.
Reel/Frame 050966/0547 →
RELEASE OF SECURITY INTEREST REEL/FRAME 040098/0268 Recorded Feb 8, 2017
From: WILMINGTON TRUST
To: KCI USA, INC.
Reel/Frame 041666/0320 →
LIMITED THIRD LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT Recorded Oct 7, 2016
From: KCI USA, INC.; LIFECELL CORPORATION; KCI LICENSING, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 040291/0237 →
SECOND LIEN SECURITY AGREEMENT Recorded Sep 21, 2016
From: KCI USA, INC.; LIFECELL CORPORATION; KCI LICENSING, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 040098/0268 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 13, 2010
From: HEATON, PATRICK KEITH; HUNT, KENNETH WILLIAM
To: KCI LICENSING, INC.
Reel/Frame 024972/0710 →
Priority Claims (1)
GB 9909301.5 · Apr 22, 1999 · national
Continuity (3)
Continuation 11973227 · Oct 5, 2007
Division 10009294
Related Publication 20080312613A1 · Dec 18, 2008