Electrosurgical instrument and an electrosurgical electrode asse

Details Electrosurgical instrument and an electrosurgical electrode asse Electrosurgical instrument and an electrosurgical electrode asse

1997-08-06

2000-06-13

Kamm, William E.

Surgery

Instruments

Electrical application

606 42, A61B 1736

Patent

active

060743867

ABSTRACT:
An electrosurgical instrument primarily intended for so-called "underwater" electrosurgery has a radio frequency generator, a handpiece, and an electrode assembly detachably mounted to the handpiece. Different electrode assemblies may be selected according to the surgical procedure to be performed. To adapt the generator characteristics for improved electrosurgical performance, each electrode assembly contains an identification element such as a capacitor of unique value which is sensed by the generator. Inside the generator, the sensed capacitor value causes the selection of operating parameters, preferably a nominal generator output power and a peak voltage limit, to suit the selected electrode assembly.

REFERENCES:
patent: 4200104 (1980-04-01), Harris
patent: 4580557 (1986-04-01), Hertzmann
patent: 5575789 (1996-11-01), Bell et al.

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