Stone disintegrator

Details Stone disintegrator Stone disintegrator

1984-05-04

1986-06-17

Howell, Kyle L.

Surgery

Truss

Pad

128328, A61B 505

Patent

active

045950199

ABSTRACT:
An instrument for attacking calculi of a patient by hydraulic impacts formed by electrical discharges in a liquid medium surrounding the calculi by detecting if the discharge end of the lithotrite of the instrument is adjacent to tissue of the patient and detecting by measuring the conductivity of the liquid medium and determining whether the measured conductivity falls within predetermined levels.

REFERENCES:
patent: 3566233 (1971-02-01), Kahn
patent: 3902499 (1975-09-01), Shene
patent: 4114623 (1978-09-01), Meinke et al.
patent: 4380237 (1983-04-01), Newbower
patent: 4416277 (1983-11-01), Newton et al.

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