Surgery – Truss – Pad
Patent
1986-04-03
1987-09-29
Thaler, Michael H.
Surgery
Truss
Pad
128660, 128 24A, A61B 1722
Patent
active
046962999
ABSTRACT:
Apparatus for the non-invasive disintegration of kidney stones and the like. An ellipsoidal reflector open at one end is positionable against the body, and may have a diaphragm across the opened end to prevent leakage of water contained in the reflector. A spark gap is located at the first focal point of the ellipsoid, and sonic aiming means is physically interconnected with the ellipsoid for aiming the ellipsoid at the kidney stone or the like to locate the kidney stone at the second focal point of the ellipsoid. A series of sparks discharged across the spark gap generates a succession of shock waves that travel through water in the reflector, and through the body to impinge on the kidney stone or the like and thereby to disintegrate the same.
REFERENCES:
patent: 3942531 (1976-03-01), Hoff et al.
patent: 4311147 (1982-01-01), Hausler
patent: 4539989 (1985-09-01), Forssmann et al.
patent: 4610249 (1986-09-01), Makofski et al.
Christian Chaussy, M.D., and Egbert Schmiedt, M.D., "Shock Wave Treatment for Stones in the Upper Urinary Tract", Nov. 1983, pp. 743-750.
C. Chaussy, B. Forssmann, W. Bredel, D. Jocham, F. Eisenberger, W. Hepp, J. M. Gokel, "Contact-Free Destruction of Kidney Stones by Extracorporeally Produced, Focused Shock Waves", 1980.
Brisson Alfred G.
Nowacki Christopher
Shene William R.
Thaler Michael H.
Trutek Research Inc.
Wolters Robert M.
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