Filter for simultaneous pacing and ablation
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United States of America Patent
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Jan 22, 2013
Grant Date -
Dec 10, 2009
app pub date -
Jun 5, 2008
filing date -
Jun 5, 2008
priority date (Note) -
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Abstract
Medical apparatus includes a pacing generator, which has first active and indifferent outputs and is configured to generate electrical pacing pulses between the first active and indifferent outputs for pacing a heart of a subject. A radio frequency (RF) generator has second active and indifferent outputs and is configured to generate RF electrical energy of a predetermined frequency between the second active and indifferent outputs for application to the heart of the subject simultaneously with the pacing pulses. A filter includes a first branch connected between the first and second active outputs and a second branch connected between the first and second indifferent outputs, each of the first and second branches including one or more notch filters having a high impedance in a vicinity of the frequency of the RF electrical energy.
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