Expandable stent having radiopaque marker and method

Details Expandable stent having radiopaque marker and method Expandable stent having radiopaque marker and method

1997-12-16

2000-02-08

Milano, Michael J.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Arterial prosthesis

Stent structure

A61F 206

Patent

active

06022374&

ABSTRACT:
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 has a pattern formed therein with openings extending therethrough into the bore. At least one radiopaque marker is carried by the wall and is disposed in an opening in the wall. The radiopaque marker is comprised of a framework formed in the wall and is disposed in an opening in the wall and lies within the confines of the wall. The framework is isolated from the pattern so that it does not interfere with the expansion of the expandable stent. The framework has an eyelet therein. An insert formed of a radiopaque material is disposed in the eyelet and retained in the framework and lies within the confines of and is flush with the inner and outer surfaces of the wall.

REFERENCES:
patent: 5632771 (1997-05-01), Boatman
patent: 5725572 (1998-03-01), Lam
patent: 5824042 (1998-10-01), Lombardi

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