Flexural rigidity profile guidewire tip

Details Flexural rigidity profile guidewire tip Flexural rigidity profile guidewire tip

1998-08-11

2000-08-22

Hindenburg, Max

Surgery

Diagnostic testing

Flexible catheter guide

A61B 500

Patent

active

061064882

ABSTRACT:
A guidewire having an intermediate flexibility region to provide trackability and steerability while reducing guide catheter device back out. In one embodiment, the guidewire includes a distal flexibility region, intermediate flexibility region and proximal flexibility region. The intermediate or support flexibility region preferably extends from between about 3 cm to 40 cm proximally of the distal tip. The intermediate region is divided into at least two sections of varying stiffness.

REFERENCES:
patent: 4721117 (1988-01-01), Man et al.
patent: 5433200 (1995-07-01), Fleishhacker
patent: 5497783 (1996-03-01), Urick et al.
patent: 5520194 (1996-05-01), Migata et al.
patent: 5551444 (1996-09-01), Finlayson
Declaration of Jeffrey H. Vogel in Accordance with 37 CFR .sctn.1.132 and Exhibit 1.

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