Apparatus for destroying calculi

Details Apparatus for destroying calculi Apparatus for destroying calculi

1990-09-17

1992-06-23

Jaworski, Francis

Surgery

Truss

Perineal

12866003, 367155, A61B 1722

Patent

active

051234041

ABSTRACT:
Apparatus for destroying calculi in a living body by ultrasonic waves, wherein a plurality of ultrasonic transducers are arranged on the plane surface of a supporting member, with their axes being inclined in such a manner that the axes of the ultrasonic beams produced by the transducers meet at a point where a calculus to be destroyed is positioned.

REFERENCES:
patent: 3513439 (1970-05-01), Egli
patent: 3859984 (1975-06-01), Langley
patent: 3987673 (1976-10-01), Hansen
patent: 4821245 (1989-04-01), Riedlinger
patent: 4955366 (1990-09-01), Uchiyama et al.
Fry, William, "The Use of Ultrasound in Neurosurgey" Proceedings of the Third International Conference on Medical Electronics, London, 1960.

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