High-frequency surgical apparatus

Details High-frequency surgical apparatus High-frequency surgical apparatus

1979-03-20

1981-01-13

Cohen, Lee S.

Surgery

Truss

Pad

12830317, A61B 1739

Patent

active

042443717

ABSTRACT:
In a high-frequency surgical apparatus having a number of electrode-connections for a neutral electrode and a number of electrodes, respectively, for monopolar and bipolar operation, a single high-frequency generator operating through a transformer with monopolar and bipolar secondaries designed to work into different impedance loads is provided in combination with a multipole switch for switching over between bipolar and monopolar use. A warning signal is produced only if the switch is set for a monopolar use, even if the neutral electrode is not properly connected. The bipolar output may be used independently of whether a neutral electrode is connected to the apparatus or not. In this manner unintended injuries or damage by a contact with an electrode are avoided. Examples for the field of use of such electrosurgery units are Dermatology, Gynaecology, Ophthalmology, Dental Surgery, ENT and Cosmetic Surgery.

REFERENCES:
patent: 3478744 (1969-11-01), Leiter
patent: 3683923 (1972-08-01), Anderson
patent: 4051855 (1977-10-01), Schneiderman

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