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Stent design for use in small vessels

  • US 6,312,459 B1
  • Filed: 06/30/1999
  • Issued: 11/06/2001
  • Est. Priority Date: 06/30/1999
  • Status: Expired due to Term
First Claim
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1. A longitudinally flexible stent for implanting in a 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 alternating valley portions and peak portions with connecting segments interconnecting said valley portions and peak portions;

    a plurality of interconnecting members extending between the adjacent cylindrical elements to connect adjacent cylindrical elements to one another, said interconnecting members have strut widths narrower than the strut widths of said cylindrical elements, and wherein at least one cylindrical element has connecting segments which have strut widths wider than the strut widths of the valley portions and peak portions of said cylindrical elements.

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