Extracorporeal lithotripsy apparatus for the disintegration of c

Details Extracorporeal lithotripsy apparatus for the disintegration of c Extracorporeal lithotripsy apparatus for the disintegration of c

1990-05-23

1991-11-19

Smith, Ruth S.

Surgery

Truss

Pad

128 24EL, A61B 1722

Patent

active

050657623

ABSTRACT:
A shock wave source of the type suitable for treating calculi in the body of a patient has a closed space filled out by a coupling fluid, as well as a hollow-cylindrical, air-filled space, centrally located in the shock wave head, which does not attenuate x-rays. The centrally located space allows for acceptance of an ultrasound locating system. It is covered on the application side by a flexible foil, providing for a shock wave head which is free from contamination of particles from the opening of the above mentioned space to the application surface of the patient.

REFERENCES:
patent: 4771787 (1988-09-01), Wurster et al.
patent: 4879993 (1989-11-01), Reichenberger et al.
patent: 4915114 (1990-04-01), Hassler
patent: 4928672 (1990-05-01), Grasser et al.
patent: 4957099 (1990-09-01), Hassler
patent: 4984565 (1991-01-01), Rattner et al.

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