Variable stiffness angioplasty catheter

Details Variable stiffness angioplasty catheter Variable stiffness angioplasty catheter

1990-03-22

1990-12-11

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

606194, A61M 2900

Patent

active

049766902

ABSTRACT:
An improved vascular catheter for angioplasty providing a variable stiffness lengthwise of the catheter. A relatively stiff shaft portion is provided for transmitting the necessary axial forces for advancing the catheter along a guide wire through a series of sharp bend to the arterial branch for dilatation, and a more flexible waist portion connects from the shaft to the balloon and tip portion. This allows the tip and balloon portions to follow sharply bending turns in the guide wire without the shaft portion tending to push the tip beyond a branch or dislodge the guide wire. A set of such catheters may be provided for a surgical procedure, having varying lengths of the waist portion according to the circumstances of the case. If a sharp turn is encountered that cannot be tracked, the catheter can be withdrawn leaving the guide wire in place, and another catheter of the set having a longer waist portion can be inserted to successfully follow the turn.

REFERENCES:
patent: 3435826 (1969-04-01), Fogarty
patent: 3605725 (1971-09-01), Benton
patent: 3789841 (1974-02-01), Antoshkiw
patent: 3890976 (1975-06-01), Bazell et al.
patent: 3995623 (1976-12-01), Blake et al.
patent: 4003369 (1977-01-01), Heilman et al.
patent: 4024873 (1977-05-01), Antoshkiw et al.
patent: 4029104 (1977-06-01), Kerber
patent: 4299226 (1981-11-01), Banka
patent: 4385635 (1983-05-01), Ruiz
patent: 4402307 (1983-09-01), Hanson et al.
patent: 4413989 (1983-11-01), Schjeldahl et al.
patent: 4445892 (1984-05-01), Hussein et al.
patent: 4464176 (1984-08-01), Wijayarathna
patent: 4516972 (1985-05-01), Samson
patent: 4531943 (1985-07-01), Van Tassel et al.
patent: 4545390 (1985-10-01), Leary
patent: 4553959 (1985-11-01), Hickey et al.
patent: 4582181 (1986-04-01), Samson
patent: 4616653 (1986-10-01), Samson et al.
patent: 4619274 (1986-10-01), Morrison
patent: 4646742 (1987-03-01), Packard et al.
patent: 4723936 (1988-02-01), Buchbinder et al.
patent: 4844579 (1989-12-01), Engelson

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