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Composite ePTFE/textile prosthesis

  • US 20030139806A1
  • Filed: 06/11/2002
  • Published: 07/24/2003
  • Est. Priority Date: 06/11/2001
  • Status: Active Grant
First Claim
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1. A composite multilayer implantable structure comprising:

  • a first inner tubular layer and second outer tubular layer formed of expanded polytetrafluoroethyene having a porous microstructure defined by nodes interconnected by fibrils, said first and second layers having a support structure positioned therebetween;

    a third tubular layer formed of textile material circumferentially disposed exteriorly to said first and second layers; and

    an elastomeric bonding agent applied to one of said second layer or third layer and disposed within the pores of said microstructure for securing said second layer to said third layer.

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