US 9,452,086 B2 · Hydrocellular absorbent dressing, and uses thereof for the treatment of chronic and acute wounds

Abstract

The present invention relates to an absorbent dressing comprising a breathable impermeable substrate (4) and an absorbent foam (2), which is particularly suitable for use in the care of chronic or acute wounds. The invention relates to a dressing comprising an absorbent foam (2) and a protective substrate (4) that is impermeable to fluids, but permeable to water vapor, said substrate being formed by assembling a film (4a) and an openwork reinforcement that is coated with an adhesive silicone gel (4b) without blocking the openings in the reinforcement. In addition, the dressing comprises a non-absorbent web (5) which is disposed between the absorbent foam (2) and the substrate (4), which adheres to the adhesive silicone gel coating on the reinforcement, and which adheres to the absorbent foam (2).

Claims19

Dependent claims

A dressing comprising an absorbent foam and a protective substrate that is impermeable to fluids, but permeable to water vapor,

said substrate being formed by assembling a continuous film and an openwork reinforcement that is coated, on at least one of its faces, with an adhesive silicone gel without blocking the openings in the reinforcement, said reinforcement covering the entire surface of the film,
said dressing also comprising a non-absorbent web which is inserted between said absorbent foam and said substrate, which web adheres to the adhesive silicone gel that is coated onto said reinforcement, and which is secured to the absorbent foam.

Dependencies are inferred from the claim text.

Facts

Application

14/111,850Filed 13 Apr 2012

Priority

FR 115332515 Apr 2011

Published

US 2014/0142526 A122 May 2014

Granted

27 Sep 2016

Term ends

Not estimatedThe source records don’t support an estimate.

Classification18 codes

A61F 13/0206
With fluid retention members: with absorbent fibrous layers, e.g. woven or non-woven absorbent pads or island dressings
A61F 13/0213
With fluid retention members: the fluid retention member being a layer of hydrocolloid, gel forming material
A61F 13/022
With fluid retention members: having more than one layer with different fluid retention characteristics
A61F 13/023
Adhesive bandages or dressings: wound covering film layers without a fluid retention layer

Hydrocellular absorbent dressing, and uses thereof for the treatment of chronic and acute wounds

Life of this patent

Hydrocellular absorbent dressing, and uses thereof for the treatment of chronic and acute wounds

Life of this patent

Abstract

Claims19