Anti-arcing resectoscope

Details Anti-arcing resectoscope Anti-arcing resectoscope

1975-12-05

1977-06-21

Michell, Robert W.

Surgery

Truss

Pad

A61B 1732

Patent

active

040305023

ABSTRACT:
A resectoscope used in performing transurethral operations has a telescope extending longitudinally of the instrument which is supported and stabilized by an elongated metallic tube which at its proximate end is fixed to the block of the instrument. In accordance with the invention the distal end of the tube is extended beyond the distal end of the telescope sufficiently that there will be no interference with illumination through the telescope but electrical arcing between the bare wire of the cutting loop of the instrument and the telescope will be prevented. The tube extension may be made of metal or of a material which is electrically nonconductive.

REFERENCES:
patent: 2102270 (1937-12-01), Hyams
patent: 3850175 (1974-11-01), Iglesias
patent: 3939839 (1976-02-01), Curtiss
patent: 3939840 (1976-02-01), Storz

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