Ultrasonically enhanced RF ablation catheter
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United States of America Patent
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-
Jun 26, 1990
Grant Date -
N/A
app pub date -
Apr 13, 1989
filing date -
Apr 13, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrosurgical angioplasty catheter with ultrasonic enhancement is described. It comprises an elongated, flexible plastic tubular body having located at its distal tip an electrode structure for effecting rf cutting along with a transducer for ultrasonically driving the rf cutting electrodes and the support thereof. The electronics module for driving the cutting electrodes and the ultrasonic transducer also includes means for receiving echo signals picked up by the transducer whereby Doppler flow readings and ultrasound imaging of the blood vessel being worked upon can be obtained.
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