Shock wave matching in therapeutic equipment

Details Shock wave matching in therapeutic equipment Shock wave matching in therapeutic equipment

1984-06-06

1986-11-18

Thaler, Michael H.

Surgery

Truss

Pad

A61B 1722

Patent

active

046229698

ABSTRACT:
An apparatus for the comminution of concrements such as kidney stones, and including a source of shock waves partially surrounded by an ellipsoidal reflector, is improved in that the open end of the reflector for sound wave transmission is additionally defined by a plurality of sound attentuating rings diminishing in internal diameter with distance from the source of shock waves; additional features provide for an overall increase in specific weight of these rings; the transmission of x-rays through the equipment is separately controlled.

REFERENCES:
patent: 3269173 (1966-08-01), von Ardenne
patent: 4003383 (1977-01-01), Bruck
patent: 4137777 (1979-02-01), Haverl et al.
patent: 4181120 (1980-01-01), Kunii et al.
patent: 4246791 (1981-01-01), Glenn
patent: 4311147 (1982-01-01), Hausler

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