Back to results
US 5,607,388 AGranted
Multi-purpose wound dressing
AssigneeHercules Incorporated
InventorRalph Ewall
Life of this patent
Estimating the term…
Abstract
Liquid and pathogen impermeable island wound dressing which can be adhesively bonded to the skin surrounding a wound is provided with a liquid and gas permeable exudate absorbing pad, and a plurality of sequentially removable liquid and microorganism impermeable, gas and moisture vapor permeable cover sheets disposed adjacent to and covering the pad.
Claims22
A liquid and pathogen impermeable island wound dressing comprising:
- (a) a liquid and gas permeable exudate absorbing pad including a wound facing inner surface and an opposing outer surface;
- (b) a plurality of liquid and microorganism impermeable, gas and moisture vapor permeable cover sheets disposed adjacent to and covering the opposing outer surface of said pad;
- (c) means for adhesively bonding said pad and said plurality of cover sheets to skin surrounding a wound;
- (d) said plurality of cover sheets being constructed and arranged to be sequentially removable;
- and
- (e) said plurality of cover sheets providing an oxygen permeability of at least 10,000 cc/m.sup.2 /day/atm.
3 more elements
A liquid and pathogen impermeable island wound dressing comprising:
- (a) a liquid and gas permeable exudate absorbing pad including a wound facing inner surface and an opposing outer surface;
- (b) a plurality of liquid and microorganism impermeable, gas and moisture vapor permeable cover sheets disposed adjacent to and covering the opposing outer surface of said pad;
- (c) means for adhesively bonding said pad and said plurality of cover sheets to skin surrounding a wound;
- (d) said plurality of cover sheets being constructed and arranged to be sequentially removable;
- and
- (e) said plurality of cover sheets providing a moisture vapor permeability rate of at least 300 g/m.sup.2 /day.
3 more elements
A liquid and pathogen impermeable island wound dressing comprising:
- (a) a liquid and gas permeable exudate absorbing pad including a wound facing inner surface and an opposing outer surface;
- (b) a plurality of liquid and microorganism impermeable, gas and moisture vapor permeable cover sheets disposed adjacent to and covering the opposing outer surface of said pad;
- (c) means for adhesively bonding said pad and said plurality of cover sheets to skin surrounding a wound;
- (d) said plurality of cover sheets being constructed and arranged to be sequentially removable;
- and
- (e) said pad comprising a liquid absorbing capacity of about to about 20 cc/g of pad.
3 more elements
Dependencies are inferred from the claim text.