Methods and apparatus for disintegration of urinary calculi unde

Details Methods and apparatus for disintegration of urinary calculi unde Methods and apparatus for disintegration of urinary calculi unde

1984-11-16

1986-07-29

Mancene, Gene

Surgery

Truss

Pad

A61B 1700

Patent

active

046026339

ABSTRACT:
A method and apparatus are provided for machining and disintegrating urinary calculi by subjecting the urinary calculi to ultrasonic forces transmitted by a wave guide in one passageway of a catheter while under observation through an optical system in a second parallel passage in the catheter.

REFERENCES:
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patent: 3927675 (1975-12-01), Poolman
patent: 4243040 (1981-01-01), Beecher
Journal of Biomechanical Engineering-(79,80,81) May 1980.
"Ultrasonic and Electrohydraulic Lithotripsy of Ureteral Calculi", Urology, Jan. 1984, Roger Goodfriend, M.D.
"Disintegration of Ureteral Calculi by Ultrasound", by Roger Goodfriend, M.D., F.A.C.A., Urology, Mar., 1973.
Catalog entitled "Instruments for Stone-Surgery", Richard Wolf Medical Instrument Corporation, IV.83.
"A New Technique of Destroying Bladder Calculi: Litholapaxy", Der Urologe, Ausgabe A., Jan. 1971, K. H. Gasteyer.
"The Potential Use of Vibration for the Disintegration of Calculi", The Journal of Urology, Mar. 1957, Howard I. Suby.
"A Critical Appraisal of Methods for Disruption and Extraction of Urinary Calculi, Especially with Ultrasound", The Yale Journal of Biology and Medicine, Inc., 1955, Harold Lamport and Herbert Lamport and Herbert F. Newman.
Newspaper Article, Dec. 31, 1970, "Urinary Calculi Destroyed with Ultrasound": developed by K. H. Gasteyer and attached translation.

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