Method and apparatus for disintegration of urinary concretions

Details Method and apparatus for disintegration of urinary concretions Method and apparatus for disintegration of urinary concretions

1977-07-21

1979-12-18

Recla, Henry J.

Surgery

Truss

Pad

A61B 1700

Patent

active

041789350

ABSTRACT:
A method and apparatus are provided for disintegrating urniary concretions by subjecting the urinary concretions to ultrasonic forces and electro-hydraulic impacts. For this purpose the apparatus comprises a milling cutter and a discharge arrester alternately inserted into the ureter through a catheter and provided with stops adapted to restrict the axial movement of the milling cutter and the discharge arrester inside the catheter. The method for disintegration of urinary concretions by means of said apparatus includes ultrasonic and electro-hydraulic actions carried out alternatively without withdrawing the catheter from the ureter to completely disintegrate the concretion during one session of treatment.

REFERENCES:
patent: 3413976 (1968-12-01), Roze
patent: 3831585 (1974-08-01), Brondy et al.

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