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Stents with proximal and distal end elevations

  • US 7,331,990 B2
  • Filed: 09/30/2003
  • Issued: 02/19/2008
  • Est. Priority Date: 07/17/1997
  • Status: Expired due to Fees
First Claim
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1. A body insertable prosthesis, including:

  • a flexible self-expanding tubular mesh wall comprising a plurality of elongate wire segments cooperating to form multiple crossing points at which different ones of the elongate wire segments cross each other;

    wherein at a number of selected crossing points, said number being less than the total number of crossing points, pairs of the elongate wire segments crossing one another are shaped to form respective first and second elevations extended in the same direction radially away from the tubular mesh wall; and

    wherein the elevations are arranged in a helical elevation pattern on the tubular mesh wall.

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