Surgery – Instruments – Electrical application
Reexamination Certificate
2003-03-17
2010-12-07
Cohen, Lee S (Department: 3739)
Surgery
Instruments
Electrical application
C600S374000
Reexamination Certificate
active
07846157
ABSTRACT:
Method and apparatus for control of ablation energy and electrogram acquisition through multiple common electrodes in an electrophysiology catheter. A device that routes ablation energy to and that routes mapping signals received from an electrophysiology catheter having a plurality of conductive filaments including circuitry that provides, for each conductive filament when ablation energy is being delivered, an electrical signal path that has a low impedance for ablation energy and a high impedance for mapping signals. The device also includes circuitry that provides, for each conductive filament, when mapping signals are being received, an electrical signal path that has a high impedance for ablation energy and low impedance for mapping signals. At least one switch is provided that selectively groups electrodes into sectors for delivery of ablation energy.
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C.R. Bard Inc.
Cohen Lee S
Wolf Greenfield & Sacks P.C.
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