Surgery – Instruments – Electrical application
Patent
1996-03-15
1998-09-22
Peffley, Michael
Surgery
Instruments
Electrical application
606 42, 607105, 607101, 604 22, A61B 1736
Patent
active
058108041
ABSTRACT:
An ablation apparatus includes a handpiece, an electrode extending from a handpiece distal end, a probe, a thermal sensor and an energy source. The electrode includes a distal end and a lumen, a cooling medium inlet conduit and a cooling medium exit conduit. Both conduits extend through the electrode lumen to an electrode distal end. A sidewall port, isolated from a cooling medium flowing in the inlet and outlet conduits, is formed in the electrode. The probe is at least partially positioned in the electrode lumen and configured to be advanced and retracted in and out of the sidewall aperture. The thermal sensor is supported by the probe. The electrode is coupled to an energy source.
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Gough Edward J
Stein Alan A.
Peffley Michael
Rita Medical Systems
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