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Stent designs for use in peripheral vessels

  • US 6,814,749 B2
  • Filed: 01/16/2003
  • Issued: 11/09/2004
  • Est. Priority Date: 12/30/1999
  • Status: Expired due to Term
First Claim
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1. A longitudinally flexible stent for implanting in a small body lumen and expandable from a contracted condition to an expanded condition, comprising:

  • a plurality of adjacent cylindrical elements, each cylindrical element having a circumference extending about a longitudinal stent axis and being substantially independently expandable in the radial direction, wherein the plurality of adjacent cylindrical elements are arranged in alignment along the longitudinal stent axis and form a generally serpentine wave pattern transverse to the longitudinal axis containing a plurality of alternating valley portions and peak portions, the valley portions including alternating double curved portions and U-shaped portions; and

    a plurality of interconnecting members extending between the adjacent cylindrical elements and connecting the adjacent cylindrical elements to one another, interconnecting members being connected to the U-shaped portions to connect a cylindrical element to an adjacent cylindrical element and interconnecting members being connected to the double-curved portions to connect the cylindrical element to an adjacent cylindrical element.

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