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Wire-tubular hybrid stent

  • US 5,935,162 A
  • Filed: 03/16/1998
  • Issued: 08/10/1999
  • Est. Priority Date: 03/16/1998
  • Status: Expired due to Term
First Claim
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1. A radially expandable stent for implantation within a body vessel, comprising:

  • a plurality of cylindrical sections successively arranged along a longitudinal axis of the stent;

    a plurality of W-shaped elements in each of the cylindrical sections, each of the W-shaped elements comprising a center section and two outside legs, the plurality of W-shaped elements in each of the cylindrical sections opening in alternating directions along the longitudinal axis of the stent, wherein the W-shaped elements in adjacent cylindrical sections alternate between pairs of W-shaped elements that open towards each other along the longitudinal axis and pairs of W-shaped elements that open away from each other along the longitudinal axis when moving about the circumference of the adjacent cylindrical sections; and

    a plurality of tie members connecting adjacent cylindrical sections along the longitudinal axis of the stent, the tie members connecting center sections of the pairs of W-shaped elements that open towards each other along the longitudinal axis in each pair of adjacent cylindrical sections.

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