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Stent graft repair device

  • US 9,770,320 B2
  • Filed: 04/12/2005
  • Issued: 09/26/2017
  • Est. Priority Date: 04/12/2004
  • Status: Active Grant
First Claim
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1. A stent graft repair device, for repairing a pre-existing stent graft in a body vessel, comprising:

  • a tubular graft of biocompatible graft material having a proximal end, a distal end and;

    a passage extending longitudinally therethrougha first expandable stent at the proximal end of the tubular graft and extending beyond the graft material at the proximal end;

    the first expandable stent having a first plurality of barbs attached thereto and extending longitudinally therealong and pointing in a direction toward the distal end of the tubular graft, wherein the barbs extend beyong the proximal end of the graft material, anda second expandable stent disposed on an interior surface of the tubular graft and within the passage of the tubular graft, the second expandable stent having a second plurality of barbs attached thereto and extending longitudinally therealong and pointing in a direction toward the proximal end of the tubular graft, wherein the second plurality of barbs protrude through the tubular graft and are configured to engage graft material at a proximal end of the pre-existing stent graft.

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