System and method for monitoring esophagus proximity
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United States of America Patent
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Sep 18, 2012
Grant Date -
May 10, 2007
app pub date -
Dec 30, 2005
filing date -
Sep 26, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A system for determining the proximity of the esophagus to the ablation electrode of an ablation catheter during an ablation procedure is disclosed. The system comprises an ablation catheter having at least one ablation electrode, an esophageal probe catheter having at least one electrode, and a signal processing unit. Both the ablation electrode and the esophageal probe catheter are electrically connected to the signal processing unit. The signal processing unit receives electrical signals from the ablation electrode on the ablation catheter and the electrode on the esophageal probe catheter and compares the signals to determine the proximity of the esophagus to the ablation electrode.
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