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Stent with non-linear links and method of use

  • US 6,635,083 B1
  • Filed: 06/25/2001
  • Issued: 10/21/2003
  • Est. Priority Date: 06/25/2001
  • Status: Expired due to Term
First Claim
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1. A flexible intravascular stent for implanting in a body lumen, comprising:

  • a plurality of cylindrical rings interconnected to form the stent, each cylindrical ring having a delivery diameter and an expanded diameter;

    each cylindrical ring having a proximal end and a distal end and a cylindrical outer wall surface and a cylindrical inner wall surface extending circumferentially between the proximal end and the distal end of the cylindrical ring;

    at least one undulating link attaching each cylindrical ring to an adjacent cylindrical ring, the attachment of the at least one undulating link to each cylindrical ring forming a W-shaped portion;

    wherein the at least one undulating link includes at least one of a radially inward bend and a radially outward bend with a concave portion and a convex portion such that the convex portion of the at least one undulating link is substantially within the cylindrical inner wall surface when the stent is in the delivery diameter and the expanded diameter.

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