Patent ID: 7960602

Claim:
A wound healing multilayer bandage comprising: (i) a webbing for placement in direct contact with a wound having a periphery; and (ii) a first membrane comprising at least one water-insoluble polymer; wherein the webbing has a biologically degradable or a biologically resorbable fiber structure; wherein the webbing is a spun-bonded webbing; wherein the webbing comprises at least one partially or completely hydrolytically condensed silicon compound; wherein the first membrane is water-impervious or semi-permeable; wherein the first membrane either (a) further comprises an adhesive portion wherein the adhesive portion adheres to skin tissue at the wound periphery or (b) does not comprise an adhesive portion and bonds with an adhesive which is applied to the skin tissue at the wound periphery, wherein the first membrane is configured to seal the wound off from a surrounding environment when the first membrane is adhered to the skin tissue at the wound periphery or bonded to an adhesive which is applied to the skin tissue at the wound periphery; and wherein either no bond or a loose, frangible adhesive bond exists between the first membrane and the webbing.