Apparatus for non-contacting disintegration of calculi

Details Apparatus for non-contacting disintegration of calculi Apparatus for non-contacting disintegration of calculi

1987-08-12

1989-04-11

Yasko, John D.

Surgery

Truss

Pad

128 24A, 73 11, A61B 1700

Patent

active

048196380

ABSTRACT:
The present invention is directed to an improvement for an apparatus for non-contacting disintegration of calculi in the body of the patient by emitting a focus shock wave from an output end of fluid-filled shock wave tube which output end has a flexible membrane which can be yieldingly pressed against the patient to couple the device thereto characterized by a test device having a test member mount being attached to the output end of the shock wave tube and having an arrangement for position a test member at a proposed position of the focal point for the shock wave tube.

REFERENCES:
patent: 3673407 (1972-06-01), Wiswell, Jr.
patent: 4311147 (1982-01-01), Hausler
patent: 4630607 (1986-12-01), Duinker et al.
patent: 4665543 (1987-05-01), Eusek et al.
patent: 4669483 (1987-06-01), Hepp et al.
patent: 4693247 (1987-09-01), Brisson et al.
patent: 4734611 (1988-03-01), Granz

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