Electro - surgical device

Details Electro - surgical device Electro - surgical device

1976-05-14

1978-09-26

Cohen, Lee S.

Surgery

Truss

Pad

A61B 1732

Patent

active

041161980

ABSTRACT:
Electro-surgical device with an insulated cable which can be passed through n endoscope, to which can be connected the pole of a high frequency generator, said pole being insulated from earth potential and on whose end facing the body cavity is provided a small-area treatment electrode projecting from the endoscope, said treatment electrode cooperating with a large-area neutral electrode connected to the other pole of the high frequency generator which is insulated from earth potential in such a way that due to the high current density in the area of the treatment electrode, a generation of heat takes place which is adequate for separating or coagulating tissue, wherein the large-area neutral electrode is arranged in the vicinity of the treatment electrode and is connected with the other pole of the high frequency generator by means of an insulated cable which can also be passed through the endoscope.

REFERENCES:
patent: 2002559 (1935-05-01), Wappler
patent: 2056377 (1936-10-01), Wappler
patent: 3707149 (1972-12-01), Hao et al.
patent: 3901242 (1975-08-01), Storz
patent: 3920021 (1975-11-01), Hiltebrandt
patent: 3987795 (1976-10-01), Morrison
patent: 3990456 (1976-11-01), Iglesias
patent: 4011872 (1977-03-01), Komiya

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