Patent ID: 8664464

Claim:
A wound dressing comprising a hydrogel composition, said hydrogel composition comprising a first portion which comprises a flexible plasticized hydrophilic polymer matrix having an internal cellular structure, and a second portion which comprises a flexible plasticized hydrophilic polymer matrix having a relatively continuous internal structure, wherein the first and the second portion are of the same material, wherein an outward facing surface of the second portion is a skin-contactable surface, wherein the second portion of the hydrogel composition includes apertures providing fluid flow communication through the second portion between the skin-contactable surface of the second portion and the first portion, and wherein the apertures of the second portion of the hydrogel composition continue into the first portion of the composition to invade it, without penetrating it entirely, whereby the first portion and second portion of the hydrogel composition can take up external water or other fluid into the cellular structure through the apertures of the second portion and first portion.