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Tapered self-expanding stent

  • US 20010010013A1
  • Filed: 02/28/2001
  • Published: 07/26/2001
  • Est. Priority Date: 07/22/1999
  • Status: Abandoned Application
First Claim
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1. A longitudinally flexible stent for implanting in a body lumen and expandable from a contracted state to an expanded state, comprising:

  • a plurality of adjacent cylindrical elements, each cylindrical element having a circumference extending around a longitudinal stent axis and being substantially independently expandable in the radial direction, wherein each cylindrical element is formed from struts arranged in a serpentine wave pattern;

    wherein the plurality of adjacent cylindrical elements are arranged in alignment along the longitudinal stent axis, and wherein a plurality of cylindrical elements include sequentially increasing diameters to create a tapered profile;

    a plurality of interconnecting members extending between the adjacent cylindrical elements and connecting the adjacent cylindrical elements to one another; and

    wherein at least one of the plurality of struts and interconnecting members at the tapered profile increase in length along the longitudinal stent axis.

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