Expandable/retractable stent and methods thereof

Details Expandable/retractable stent and methods thereof Expandable/retractable stent and methods thereof

1999-02-20

2000-06-20

Milano, Michael J.

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

Arterial prosthesis

Stent structure

A61F 200

Patent

active

060772980

ABSTRACT:
A retractable intraluminal medical device for treating tissues in a patient, the device comprising an elongate radially expandable/retractable tubular stent having an interior luminal portion and an opposite exterior portion extending along a longitudinal stent axis; a first of the plurality construction materials being a shape-memory Nitinol, the shape-memory Nitinol having a preshape and a shape transition temperature, wherein the shape-memory Nitinol retracts to its preshape and causes the expandable tubular stent to collapse when the shape-memory Nitinol is heated to above the shape transition temperature at a retracted state.

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patent: 5246451 (1993-09-01), Trescony et al.
patent: 5749880 (1998-05-01), Banas et al.
patent: 5810870 (1998-09-01), Myers et al.
patent: 5827268 (1998-10-01), Laufer

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