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Composite wound dressing

  • US 4,373,519 A
  • Filed: 06/26/1981
  • Issued: 02/15/1983
  • Est. Priority Date: 06/26/1981
  • Status: Expired due to Term
First Claim
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1. A composite wound-dressing which is a sheet material, comprising:

  • (a) a polytetrafluoroethylene fibril matrix,(b) 0.5 to 10 parts of hydrophilic absorptive particles per part of PTFE by weight enmeshed in said matrix, the absorptive particles having absorptive capacity greater than 0.5 grams of water per gram of dry particles, and(c) a partially occlusive film coated on one surface of said matrix,wherein substantially all of said hydrophilic absorptive particles are unavailable for sloughing.

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