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Expandable stent having radiopaque marker and method

  • US 6,022,374 A
  • Filed: 12/16/1997
  • Issued: 02/08/2000
  • Est. Priority Date: 12/16/1997
  • Status: Expired due to Term
First Claim
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1. An expandable stent having a radiopaque marker therein comprising a cylindrical member having a wall defining a central bore extending along a longitudinal axis and having inner and outer surfaces and a length, the wall having a pattern formed therein with openings extending therethrough into the bore, at least one radiopaque marker carried by the wall and disposed in an opening in the wall, the radiopaque marker being comprised of a framework formed in the wall and disposed in an opening in the wall and lying within the confines of the wall, said framework being isolated from the pattern so that it does not interfere with the expansion of the expandable stent, the framework having an eyelet therein and an insert formed of a radiopaque material disposed in the eyelet and retained in the framework and lying within the confines of and being flush with the inner and outer surfaces of the wall.

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