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Endoprosthesis having foot extensions

  • US 7,625,398 B2
  • Filed: 11/19/2004
  • Issued: 12/01/2009
  • Est. Priority Date: 05/06/2003
  • Status: Expired due to Fees
First Claim
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1. An endoprosthesis for delivery in a body lumen comprising:

  • a first set of interconnected strut members defining a first annular element, each strut member of the first annular element including a first end and a second end;

    a second set of interconnected strut members defining a second annular element, each strut member of the second annular element including a first end and a second end;

    the first annular element and the second annular element aligned longitudinally adjacent to each other along a longitudinal axis and connected to each other at at least one connection location, the first and second annular elements being expandable between a delivery configuration and a deployed configuration;

    at least one of the first and second annular elements including at least one foot extension extending between at least one pair of circumferentially-adjacent strut members, each foot extension including a first foot portion extending circumferentially from the first end of one of the circumferentially-adjacent strut members of the pair and a second foot portion extending circumferentially from the first end of the other of the circumferentially-adjacent strut members, the first and second foot portions joined at a toe portion of the foot extension, the first and second annular elements forming a generally tubular member having open ends, wherein each foot extension of the at least one of the first and second annular elements is located proximate only one of the first and second ends of the corresponding annular element; and

    a marker associated with one of the open ends of the generally tubular member.

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