Electrosurgical device

Details Electrosurgical device Electrosurgical device

1975-07-02

1976-10-26

Michell, Robert W.

Surgery

Truss

Pad

317 18B, A61B 1736, A61N 302

Patent

active

039877965

ABSTRACT:
A radiofrequency electrosurgical device which includes an active electrode and a passive electrode coupled to a chassis ground of a radiofrequency generator of the device. If the passive electrode is disconnected from the chassis ground, a potential develops between the chassis ground and a system ground. This potential is used to actuate a relay to disable the radiofrequency generator if the passive electrode becomes disconnected. The relay is reset when a main power off-on switch is turned to off position.

REFERENCES:
patent: 2823678 (1958-02-01), Luftman et al.
patent: 3601126 (1971-08-01), Estes
patent: 3683923 (1972-08-01), Anderson
patent: 3699967 (1972-10-01), Anderson
patent: 3812858 (1974-05-01), Oringer

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