Surgery – Instruments – Electrical application
Patent
1995-10-30
1998-12-15
Shay, David M.
Surgery
Instruments
Electrical application
606 34, 606 41, A61B 1739
Patent
active
058490108
ABSTRACT:
An electrosurgical apparatus has a radio-frequency generator (11) with a variable basic power setting and to which a cutting electrode (12) and a neutral electrode (13) are connected. A power measuring device (15) is connected to the electrodes (12, 13) and acts on a regulating stage (16) which is connected to the power regulating input of the radio-frequency generator (11). The number of sparkovers within a predetermined plural number of periods is determined and is set by regulation of the output power of the radio-frequency generator (11) to a constant value which lies beneath twice the predetermined plural number.
Mackel Rainer
Wurzer Helmut
Shay David M.
Wurzer Helmut
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