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Soft-tissue tubular prostheses with seamed transitions

  • US 6,994,724 B2
  • Filed: 11/15/2001
  • Issued: 02/07/2006
  • Est. Priority Date: 11/15/2000
  • Status: Expired due to Term
First Claim
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1. A woven implantable tubular prosthesis, comprising:

  • a plurality of warp yarns and fill yarns;

    a first tubular extent having a first diameter;

    a second tubular extent having a second diameter different from the first diameter;

    a transition tubular extent between the first and second tubular extents, the transition tubular extent having a graduated diameter;

    a tapered edge along the transition tubular extent formed by a weaving pattern having disengagement of a predetermined number of warp yarns forming a graduated change in the number of warp yarns; and

    a seam woven along the tapered edge, wherein the seam provides a substantially fluid-tight transition between the first tubular extent and the second tubular extent.

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