IP Library › Granted Patent US 7,117,869
Granted Patent B2
US 7,117,869 · App. 10/937,680 · Granted Oct 10, 2006

Surgical drape and suction head for wound treatment

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Quick Facts
Patent No.
US 7,117,869
App. No.
10/937,680
Granted
Oct 10, 2006
Kind
B2
Abstract

A wound therapy combination comprising a suction head and a surgical drape. The suction head comprises a planar flange portion and a tubular connector piece on a first face that communicates with an aperture extending to a second face. The second face is formed with projections that define flow channels for facilitating flow of liquids to the aperture.

Claims (16)

1. A wound therapy device, comprising:

a suction head comprised of a plurality of channels for facilitating flow of fluids to an opening of said suction head, wherein said opening is adapted to connect to a suction tube; and wherein said channels are defined by a plurality of projections from said suction head, such that said projections are in contact with a wound surface.

2. The wound therapy device of claim 1 , further comprising a surgical drape having an aperture coincident said opening, said surgical drape extending over a region, and overlapping beyond the perimeter of said suction head, and wherein said surgical drape comprises a flexible adhesive coated film adhered to said region of said suction head and a release-coated backing extending over said suction head and adhered to the overlapping portion of said surgical drape.

3. The wound therapy device of claim 2 , further comprising a source of suction.

4. The wound therapy combination of claim 3 , wherein said source of suction is a pump.

5. A wound therapy device, comprising:

a suction head having a first face;

a second face opposite said first face;

an opening through said first face and through said second face; and

a plurality of flow channels in fluid communication with said opening for facilitating flow of fluids to said opening.

6. The wound therapy device of claim 5 further comprising a surgical drape having an aperture coincident said opening, said surgical drape extending over a region of said first face, and overlapping beyond the perimeter of said first face.

7. The wound therapy device of claim 6 wherein said surgical drape comprises a flexible adhesive coated film adhered to said region of said first face and a release-coated backing extending over said second face and adhered to the overlapping portion of said surgical drape.

8. The wound therapy device of claim 7 further comprising a foam interposed between said second face and a wound.

9. The wound therapy device of claim 5 further comprising a source of suction in communication with said opening.

10. The wound therapy device of claim 9 wherein said source of suction is a pump.

11. The wound therapy device of claim 5 wherein said flow channels are defined by a plurality of projections from said second face.

Assignments (12)
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 IN INTELLECTUAL PROPERTY Recorded Feb 6, 2017
From: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
To: KCI LICENSING, INC., AS GRANTOR; TECHNIMOTION, LLC, A DELAWARE LIMITED LIABILITY COMPANY, AS GRANTOR; SYSTAGENIX WOUND MANAGEMENT (US), INC., A DELAWARE CORPORATION, AS GRANTOR
Reel/Frame 041395/0044 →
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 →
RELEASE OF SECURITY INTEREST Recorded Sep 21, 2016
From: WILMINGTON TRUST
To: KCI LICENSING, INC.; LIFECELL CORPORATION; KINETIC CONCEPTS, INC.; TECHNIMOTION, LLC
Reel/Frame 040098/0200 →
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 →
SECURITY AGREEMENT Recorded Nov 8, 2011
From: KCI LICENSING, INC.; LIFECELL CORPORATION; TECHNIMOTION, LLC
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 027194/0447 →
SECURITY AGREEMENT Recorded Nov 7, 2011
From: KCI LICENSING, INC.; LIFECELL CORPORATION; TECHNIMOTION, LLC
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 027185/0174 →
TERMINATION OF SECURITY INTEREST IN PATENTS Recorded Jan 7, 2011
From: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
To: KINETIC CONCEPTS, INC.; KCI LICENSING, INC.; LIFECELL CORPORATION
Reel/Frame 025599/0904 →
RELEASE OF SECURITY INTEREST Recorded May 30, 2008
From: CITIBANK, N.A.
To: KINETIC CONCEPTS, INC.; KCI USA, INC.; KCI HOLDING COMPANY, INC.; KCI LICENSING, INC.; KCI INTERNATIONAL, INC.
Reel/Frame 021018/0130 →
SECURITY AGREEMENT Recorded May 29, 2008
From: KINETIC CONCEPTS, INC.; KCI LICENSING, INC.
To: BANK OF AMERICA, N.A.
Reel/Frame 021006/0847 →
SECURITY AGREEMENT Recorded Aug 2, 2007
From: KCI LICENSING, INC.; KINETIC CONCEPTS, INC.; KCI USA, INC.; KCI HOLDING COMPANY, INC.; KCI INTERNATIONAL, INC.
To: CITIBANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 019640/0163 →
RELEASE OF SECURITY INTEREST Recorded Jul 31, 2007
From: MORGAN STANLEY & CO., INCORPORATED
To: KCI LICENSING, INC.
Reel/Frame 019617/0356 →