Catheter device

Details Catheter device Catheter device

1989-01-03

1990-05-22

Yu, Mickey

Surgery

Instruments

Means for concretion removal

604280, A61B 1722

Patent

active

049274260

ABSTRACT:
A catheter device for capturing and holding kidney stones and the like wherein the catheter is an elongated tube having a cuff portion disposed on one end thereof capable of being collapsed axially inwardly into the tube and a snare disposed and axially moveable within the catheter for capturing and holding a kidney stone and collapsing the cuff portion. The snare is a second elongated tube capable of receiving a laser fiber for disintegrating a kidney stone when captured and held by the snare.

REFERENCES:
patent: 2943626 (1960-07-01), Dormia
patent: 4198960 (1980-04-01), Utsugi
patent: 4299225 (1981-11-01), Glassman
patent: 4611594 (1986-09-01), Grayhack et al.
patent: 4625726 (1986-12-01), Duthoy
patent: 4692139 (1987-09-01), Stiles
patent: 4790812 (1988-12-01), Hawkins, Jr. et al.

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