Apparatus for disintegrating calculuses

Details Apparatus for disintegrating calculuses Apparatus for disintegrating calculuses

1990-02-23

1991-09-10

Smith, Ruth S.

Surgery

Truss

Perineal

A61B 1722

Patent

active

050464833

ABSTRACT:
An apparatus for disintegrating calculuses of the type found in a human body, transmits a shockwave through a container filled with a liquid medium, into the body. The apparatus comprises a tank which stores the liquid, a sensor for detecting pressure in the container, and a liquid control system. When pressure exceeds a preset value, the control system transports liquid from the container to the tank until the pressure falls below the preset value.

REFERENCES:
patent: 4237901 (1980-12-01), Taenzer
patent: 4338190 (1982-07-01), Kraus et al.
patent: 4517985 (1985-05-01), Teslawski et al.
patent: 4803995 (1989-02-01), Ishida et al.
patent: 4811725 (1989-03-01), Grasser
patent: 4893614 (1990-01-01), Takayama et al.

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