Multiple antenna ablation apparatus and method with cooling element
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United States of America Patent
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Dec 31, 2002
Issued Date -
N/A
app pub date -
Jan 20, 2000
filing date -
Aug 15, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
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 positionable 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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