Ultrasound-guided ablation catheter and methods of use
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United States of America Patent
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Mar 27, 2001
Grant Date -
N/A
app pub date -
Jan 6, 1999
filing date -
Jan 6, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides ultrasound-guided ablation catheters and methods for their use. In one embodiment, a tissue ablation apparatus (2) includes a flexible elongate body (12) having proximal (14) and distal (12) ends. A plurality of spaced-apart electrodes (24) are operably attached to the flexible body near the distal end. A plurality of transducer elements (28) are disposed between at least some of the electrodes. Transducers assist the physician in determining whether or not the ablation elements are in contact with the tissue to be ablated.
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