Catheter system and methods thereof
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United States of America Patent
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Mar 2, 1999
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N/A
app pub date -
May 28, 1997
filing date -
May 28, 1997
priority date (Note) -
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Abstract
This invention discloses an ablation catheter system with fixation means for use in treatment of cardiac tissues and in other medical applications, such as ablating tumors in a natural body conduit or cavity by applying RF energy, and an inner catheter having alternate energy sources for enhanced ablation. The catheter system passes through a natural body opening to reach the target tissue, where the catheter system stays in a desired position via its fixation means and delivers therapeutic energy selected from the group of laser energy, microwave, inductive radiofrequency and ultrasonic energy to the target tissue for improved treatment.
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