MEDICAL-SURGICAL DRESSING FOR BURNS AND THE LIKE

• US 3,648,692 A
• Filed: 12/07/1970
• Issued: 03/14/1972
• Est. Priority Date: 12/07/1970
• Status: Expired due to Term

• Current Assignee: Deseret Medical, Inc. (Becton, Dickinson & Co)
• Original Assignee: Larry M. Wheeler
• Inventors: Wheeler, Larry M.
• Primary Examiner(s): Michell, Robert W.
• Assistant Examiner(s): Anten, L.
• Application Number:
  US05/095,637
• Time in Patent Office: 463 Days
• Field of Search: 128/156
• US Class Current: 602/46
• CPC Class Codes: A61F 2/105 Skin implants, e.g. artificial skin
• CPC Class Codes: A61L 15/26 Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof A61L15/225 takes precedence
• CPC Class Codes: A61L 15/425 Porous materials, e.g. foams or sponges
• CPC Class Codes: C08L 75/04 Polyurethanes
• CPC Class Codes: Y10T 428/249979 Specified thickness of void-containing component [absolute or relative] or numerical cell dimension

Abstract

A medical-surgical dressing is provided for topical application as a conforming cover for the therapy and protection of burns and the like. The dressing which has a porous laminated construction includes a facing layer of thrombogenic open-cell foam material and a coextensive gas-permeable backing. When applied to the body the facing layer serves as a receptacle for debris and liquid exudate. The backing is impermeable to liquids and to bacteria whereby the dressing serves to conserve vital body fluids, facilitate clot formation, confine the debris and exudate, and expose confined bacteria to phagocytic invasion.

Claims

2. A surgical dressing according to claim 1 wherein the thickness of the facing is not more than about one-sixteenth of an inch.

3. A surgical dressing according to claim 1 wherein the foam material of the facing layer is a reticulated polyurethane foam.

4. A surgical dressing according to claim 1 wherein the foam material of the facing layer is 60-100 mesh reticulated polyurethane foam.

5. A surgical dressing according to claim 1 wherein the backing is a polyolefin film backing.

6. A surgical dressing according to claim 1 wherein the backing is a polypropylene film backing.

7. A surgical dressing according to claim 1 wherein the facing and backing are mutually secured by gas-permeable adhesive means.

8. A surgical dressing according to claim 1 wherein the backing is a microporous polypropylene film having open pores less than about 5 X 10 4 mm. in dimension.