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Method for making a reinforced absorbable multilayered fabric for use in medical devices

  • US 20060258995A1
  • Filed: 04/10/2006
  • Published: 11/16/2006
  • Est. Priority Date: 10/20/2004
  • Status: Abandoned Application
First Claim
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1. A method for making a multilayered fabric comprising a first absorbable nonwoven fabric and one or more second absorbable woven or knitted fabric, comprising the steps of. (a) crimping absorbable polymer fibers or yams in the range of about 10 to 30 crimps per inch;

  • (b) cutting the crimped fibers or yams to a staple length between about 0.1 and 2.5 inch;

    (c) carding the staple to form the first absorbable nonwoven fabric;

    (d) attaching the first absorbable nonwoven fabric to the second absorbable woven or knitted fabric;

    while (e) controlling the humidity of the environment for step (c) to about 20 to 60%, at a room temperature of about 15 to 24°

    C.

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