Cutting head for ultrasonic lithotripsy

Details Cutting head for ultrasonic lithotripsy Cutting head for ultrasonic lithotripsy

1985-10-30

1989-04-25

Thaler, Michael H.

Surgery

Truss

Pad

128 24A, A61B 1722

Patent

active

048237930

ABSTRACT:
A cutting head for attachment to the end of the wire probe of an ultrasonic kidney stone disintegration instrument. The cutting head has a plurality of circumferentially arranged teeth formed at one end thereof to provide a cup-shaped receptacle for kidney stones encountered during the disintegration procedure. An integral reduced diameter collar diminishes stress points in the wire and reduces breakage thereof.

REFERENCES:
patent: 3823717 (1974-07-01), Pohlman et al.
patent: 3830240 (1974-08-01), Antonevich et al.
patent: 3857396 (1974-12-01), Hardwick
patent: 3896811 (1975-07-01), Storz
patent: 4178935 (1979-12-01), Gekhman et al.
patent: 4474180 (1984-10-01), Angulo
patent: 4572184 (1986-02-01), Stohl et al.

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