Ultra-sharp tungsten needle for electrosurgical knife

Details Ultra-sharp tungsten needle for electrosurgical knife Ultra-sharp tungsten needle for electrosurgical knife

1988-11-14

1990-05-22

Hindenburg, Max

Surgery

Instruments

Electrical application

606 49, A61B 1736

Patent

active

049274201

ABSTRACT:
A method and apparatus for performing electrosurgery with an ultra-sharp electrode composed of a refractory alloy, said electrode having a blunt end and a tip end, and a method for forming the ultra-sharp electrode by rotating about its axis a vertically held cylindrical rod composed of a refractory alloy and repeatedly withdrawing and replacing the rod into a pool of molten oxidizing agent.

REFERENCES:
patent: 3976078 (1976-08-01), Toriello
patent: 4593691 (1986-06-01), Lindstrom et al.
patent: 4708137 (1987-11-01), Tsukagoshi
patent: 4785807 (1988-11-01), Blanch

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