Hollow medical wires and methods of constructing same

Details Hollow medical wires and methods of constructing same Hollow medical wires and methods of constructing same

1997-03-06

2000-05-30

McDermott, Corrine

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604 96, 604523, 600585, A61M 2500

Patent

active

060686235

ABSTRACT:
The present invention provides an apparatus for performing angioplasty or vascular intervention procedures. The apparatus of the present invention comprises a catheter apparatus comprised of a superelastic hollow guidewire, a balloon member and a flexible tip. The superelastic hollow guidewire of the invention is preferably a hypotube of nitinol alloy. The use of nitinol alloy as hollow guidewire provides a catheter apparatus having high flexibility and torqueability as well as small cross sectional diameter.

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