Flexible catheter with stone basket and ultrasonic conductor

Details Flexible catheter with stone basket and ultrasonic conductor Flexible catheter with stone basket and ultrasonic conductor

1994-01-14

1995-04-04

Pellegrino, Stephen C.

Surgery

Instruments

Means for concretion removal

606127, 604264, A61N 700

Patent

active

054033241

ABSTRACT:
A flexible catheter which has a basket at one end for the capture and removal of a calculus, such as a kidney stone. The catheter includes a plurality of wires with ends forming a basket, an elongate flexible tube through which the wires pass, a handpiece supporting the tube and having a cavity, a shaft disposed in the cavity and fixedly connecting to second ends of the wires, the tube and shaft having aligned central bores, a conductor extending through the bores, and lock means for holding the shaft in a selective position.

REFERENCES:
patent: 4611594 (1986-09-01), Grayhack et al.
patent: 5176688 (1993-01-01), Narayan et al.
patent: 5190557 (1993-03-01), Borodulin et al.
patent: 5197968 (1993-03-01), Clement
patent: 5312418 (1994-05-01), Bonnet

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