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Medical implant

  • US 8,137,396 B2
  • Filed: 05/19/2010
  • Issued: 03/20/2012
  • Est. Priority Date: 05/20/2009
  • Status: Active Grant
First Claim
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1. An implantable medical device, comprising:

  • a self-expanding tubular structure comprisingat least one biodegradable strand comprising poly(lactic acid-co-glycolic acid) comprising at least about 75 weight percent of lactic acid; and

    poly(lactic acid-co-caprolactone) at least partially coating said strand;

    wherein said poly(lactic acid-co-caprolactone) is crosslinked and has a number average molecular weight (Mn) greater than about 30,000 Da;

    wherein said poly(lactic acid-co-caprolactone) increases the mass of said self-expanding tubular structure by at least about 24 percent;

    wherein said self-expanding tubular structure is a braided structure comprising between 16 and 48 strands forming an average braid angle of between about 110 degrees and about 135 degrees.

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