Variable stiffness balloon catheter

Details Variable stiffness balloon catheter Variable stiffness balloon catheter

1993-06-02

1995-08-01

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604 96, 604280, A61M 2510

Patent

active

054376327

ABSTRACT:
This invention is a single-lumen balloon catheter and assembly having a variable stiffness shaft that allows for greater guidewire trackability and proximal pushability than previous designs. The catheter has an elongate tubular body that is made of inner and outer coaxial tubes, the inner tube being made of proximal and distal sections, the proximal section being stiffer than the distal section and the distal section being stiffer than the outer tube.

REFERENCES:
patent: 4739768 (1988-04-01), Engelson
patent: 4782834 (1988-11-01), Maguire et al.
patent: 4813934 (1989-03-01), Engelson et al.
patent: 4976720 (1990-12-01), Machold et al.
patent: 5047045 (1991-09-01), Arney et al.
patent: 5100381 (1992-03-01), Burns
patent: 5171221 (1992-12-01), Samson

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