Dual synchro-resonant electrosurgical apparatus with bi-directional magnetic coupling

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United States of America Patent

PATENT NO 8187262
APP PUB NO 20090237169A1
SERIAL NO

12477320

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An electrosurgical generator is disclosed. The electrosurgical generator includes a power supply for generating a DC voltage. The electrosurgical generator also includes a first parallel inductor-capacitor circuit being driven by a first signal at a first predetermined frequency and a second parallel inductor-capacitor circuit driven by a second signal at the first predetermined frequency phase shifted 180 degrees. The electrosurgical generator further includes a series inductor-capacitor resonant circuit operably connected in series with a primary winding of a transformer. The first and second parallel inductor-capacitor circuits are operably connected to the transformer, such that the first inductor-capacitor circuit generates a positive half sine wave and the second inductor-capacitor circuit generates a 180 degrees phase-shifted positive half sine wave to generate a full sine wave in a secondary winding of the transformer.

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Patent Owner(s)

Patent OwnerAddress
COVIDIEN AGVICTOR VON BRUNS-STRASSE 19 NEUHAUSEN AM RHEINFALL 8212

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Orszulak, James H Nederland, US 58 13165

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