×

Vascular prosthesis

  • US 4,321,711 A
  • Filed: 10/12/1979
  • Issued: 03/30/1982
  • Est. Priority Date: 10/18/1978
  • Status: Expired due to Term
First Claim
Patent Images

1. A vascular prosthesis comprising a porous polytetrafluoroethylene tubing having a microstructure composed of fibers and nodes, said nodes being connected to one another by the fibers, said tubing containing an anti-coagulant substance and having a porous elastomer coating bonded to the exterior thereof, said porous elastomer coating containing a substance which counteracts the anti-coagulant substance.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×