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Mobile external coupling for branch vessel connection

  • US 9,839,542 B2
  • Filed: 04/19/2011
  • Issued: 12/12/2017
  • Est. Priority Date: 04/19/2011
  • Status: Active Grant
First Claim
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1. An endovascular prosthesis comprising:

  • a tubular body having a proximal end, a distal end, and a lumen disposed between the proximal and distal ends, the tubular body including a body graft material and a plurality of stents coupled to the body graft material;

    a mobile external coupling extending outwardly from the tubular body, which includes a base coupled to the tubular body, a top spaced from the tubular body, and a coupling lumen disposed between the base and the top, wherein the coupling lumen is in flow communication with the body lumen and wherein the mobile external coupling includes a coupling graft material; and

    an annular support wireform attached to and extending around the mobile external coupling, the annular support wireform formed into a sinusoidal configuration having a plurality of opposing first crowns and second crowns, wherein the first crowns of the support wireform extend around of the top of the mobile external coupling and wherein the coupling graft material extending between the second crowns of the support wireform and the tubular body is unsupported, wherein a height of the support wireform is between 25% and 33% of a height of the mobile external coupling.

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