Electrosurgical apparatus

Details Electrosurgical apparatus Electrosurgical apparatus

1984-06-07

1986-04-08

Cohen, Lee S.

Surgery

Truss

Pad

A61B 1739

Patent

active

045805628

ABSTRACT:
An electrosurgical apparatus comprises a high frequency power generator, a high frequency transformer, a handpiece for mounting an electrode, and a connecting cable between the generator and the handpiece. In order to provide an automatic adaptation or adjustment so that the power delivered by the cutting electrode is continuously changed according to the cutting depth, the effective length of the connecting cable has been adapted to the output frequency of the generator so that the transfer characteristic of the cable provides a true ohmic transfer or reflection of the load at the electrode-end of the cable to the generator-end of the cable.

REFERENCES:
patent: 3315678 (1967-04-01), Donelson
patent: 3707149 (1972-12-01), Hao et al.
patent: 3875945 (1975-04-01), Friedman
patent: 3999552 (1976-12-01), Huggins
patent: 4092986 (1978-06-01), Schneiderman
patent: 4321926 (1982-03-01), Roge
"The Feed-Backs of Servotome", pp. 1-4.

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