Multi-channel RF ablation

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United States of America Patent

PATENT NO 11857245
SERIAL NO

17472481

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Abstract

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A plurality of control-signal generators are configured to generate respective control signals having respective control-signal amplitudes and different respective control-signal frequencies, and a plurality of signal adders are configured to produce respective composite signals for application to a subject, by adding the control signals to respective ablation signals having respective ablation-signal amplitudes. The control-signal generators are configured to generate the control signals such that respective ratios between the control-signal amplitudes and the ablation-signal amplitudes are constant during the application of the composite signals to the subject. A plurality of controlled voltage dividers are configured to adjust respective amplitudes of the composite signals during the application of the composite signals to the subject, and one or more controllers are configured to control the adjusting of the amplitudes by the controlled voltage dividers, in response to respective currents of, and respective voltages of, the control signals, and based on the constant ratios.

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Patent Owner(s)

Patent OwnerAddress
BIOSENSE WEBSTER (ISRAEL) LTDYOKNEAM 2066717

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ashkinezer, Boris Akko, IL 5 2
Levin, Michael Haifa, IL 151 4668
Rotman, Eyal Kiriat Tivon, IL 12 20
Zichron, Shlomo Fried Zichron yaakov, IL 2 1

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