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Endoprosthesis having struts linked by foot extensions

  • US 7,850,726 B2
  • Filed: 12/20/2007
  • Issued: 12/14/2010
  • Est. Priority Date: 12/20/2007
  • Status: Expired due to Fees
First Claim
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1. An endoprosthesis for delivery in a body lumen comprising:

  • a web structure defining an essentially tubular body expandable from a contracted configuration to an expanded configuration;

    a plurality of longitudinally adjacent web rings defining the web structure;

    a plurality of sequentially adjoined web elements defining the web rings, the web elements being disposed substantially parallel to a longitudinal axis of the essentially tubular body when in the contracted configuration, pairs of the web elements being sequentially adjoined at junction bends;

    wherein a first junction bend in a first web ring is connected to a second junction bend in a second web ring by a connector having a first strut and a second strut, the first strut and second strut being essentially parallel one to the other with a space between at least a portion of the first strut and the second strut;

    wherein a first foot extension joins the first to the second struts;

    wherein the first foot extension includes a first member extending from the first strut and providing a sole portion of the first foot extension, and a second member interposed between the sole portion and the second strut and providing a toe portion of the first foot extension; and

    wherein the sole portion has an essentially rectilinear shape and the toe portion has an essentially arcuate shape.

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