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Non-migrating vascular prosthesis and minimally invasive placement system therefor

  • US 6,004,347 A
  • Filed: 12/04/1996
  • Issued: 12/21/1999
  • Est. Priority Date: 04/22/1993
  • Status: Expired due to Term
First Claim
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1. A vascular repair assembly adapted to inhibit migration of the assembly once it is positioned within a blood vessel, comprising:

  • an elongate tubular graft having a proximal end and a distal end;

    a fixed length self-expanding anchor having a proximal end, a distal end and an intermediate portion defined by a plurality of generally longitudinally extending curved anchor segments, the anchor being secured to the distal end of the graft, each of the anchor segments extending substantially the full length of the anchor;

    the curve of the anchor segments being oriented radially outwardly toward each of the proximal and distal ends of the anchor so that both the distal and proximal ends of the anchor define diameters greater than that of the intermediate portion.

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