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Implantable graft and methods of making same

  • US 10,465,274 B2
  • Filed: 02/01/2016
  • Issued: 11/05/2019
  • Est. Priority Date: 09/26/2002
  • Status: Expired due to Fees
First Claim
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1. An endoluminal covered-stent including a radially expandable stent having a proximal end, a distal end and an intermediate region between the proximal end and the distal end and at least one of a plurality of attachment members configured to attach to a metal stent cover member, the radially expandable stent having a plurality of interconnected structural members and a plurality of stent fenestrations, the improvement comprising:

  • a) the metal stent cover member being comprised of a generally tubular thin film metal cover member having a plurality of microporous openings and a thickness between about 0.1μ

    to about 20μ

    , wherein each of the plurality of microporous openings has an open surface area less than an open surface area of each of the plurality of stent fenestrations, the generally tubular thin film metal cover member is concentrically joined to at least one of a luminal surface or an abluminal surface of the stent and joined to the stent only at the plurality of attachment members, such that the generally tubular thin film metal cover member at least partially occludes the plurality of stent fenestrations; and

    b) wherein the joined radially expandable stent and the generally tubular thin film metal cover member are capable of radial expansion together with one another.

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