Patterned absorbent article for wound dressing
Assignee3M Innovative Properties Company
InventorsSteven C. Stickels, Peter M. Seiler, Stephen E. Krampe, Scott A. Burton
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Abstract
An absorbent dressing comprising a hydrophilic gel absorbent layer having a patterned surface on at least one major surface thereof is provided. The patterned surface allows greater surface area for absorption of wound exudate when oriented toward the wound surface, while reducing the absorbent surface area in direct or indirect contact with the wound.
Claims23
An absorbent dressing comprising a preselected, patterned, hydrophilic gel absorbent layer comprising pattern elements having a width and height of, independently, from 100 to 15,000 micrometers.
An absorbent dressing comprising:
- a permeable facing layer having a layer of pressure sensitive adhesive on at least a portion of the front surface of the facing layer,
- a backing layer bonded to said facing layer at the periphery,
- a hydrophilic gel absorbent layer having a preselected, patterned front surface disposed between the backing and facing layers, wherein pattern elements of said preselected, patterned front surface having a width and height of, independently, from 100 to 15,000 micrometers.
Dependencies are inferred from the claim text.