Shock wave generator

Details Shock wave generator Shock wave generator

1989-12-21

1991-08-20

Cohen, Lee S.

Surgery

Instruments

Means for concretion removal

606 15, A61B 1722

Patent

active

050411217

ABSTRACT:
A shock wave generator for the fragmentation of concrements, having a light-pulse-transmiting light guide and a converter arranged at the distal light guide end and having an ionization surface which, when a light pulse impinges, initiates a shock wave in the surrounding fluid, as well as having a shock wave outlet zone. In order to increase its efficiency and durability, the generator is constructed such that the ionization surface extends obliquely sloped with respect to the beaming axis of the impinging light pulse and the shock wave outlet zone is arranged in the direct shock wave beaming area of the ionization surface, thereby permitting a largely unhindered, low-loss propagation for the shock wave to the application point.

REFERENCES:
patent: 3982541 (1976-09-01), L'Esperance
patent: 4211229 (1970-07-01), Wurster
patent: 4784132 (1988-11-01), Fox et al.
patent: 4878725 (1989-11-01), Hessel et al.
patent: 4887600 (1989-12-01), Watson et al.
patent: 4913132 (1990-04-01), Gabriel
patent: 4932954 (1990-06-01), Wondrazek et al.
Fair, Jr., "In Vitro Destruction of Urinary Calculi", Medical Instrumentation vol. 12, No. 2 (1978) pp. 100-104.

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