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Radially expandable vascular graft with resistance to longitudinal compression and method of making same

  • US 5,628,786 A
  • Filed: 05/12/1995
  • Issued: 05/13/1997
  • Est. Priority Date: 05/12/1995
  • Status: Expired due to Term
First Claim
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1. A polytetrafluoroethylene graft, comprising:

  • a tubular graft member formed of expanded polytetrafluoroethylene having a plurality of nodes and fibrils interconnecting the nodes, and forming a microporous material matrix; and

    structural support means for imparting resistance to longitudinal compression or axial shrinkage of the tubular graft member 12. reinforcing the microporous material matrix along a longitudinal axis of the tubular graft member, the structural support means being integrated into at least a portion of the microporous material matrix of the tubular graft member and extending axially along a substantial longitudinal section of the tubular graft member.

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