Catheter for treating of arrhythmia
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United States of America Patent
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Jun 29, 2010
Grant Date -
Sep 15, 2005
app pub date -
Aug 20, 2003
filing date -
Aug 20, 2002
priority date (Note) -
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Abstract
A catheter for treating arrhythmia comprises a catheter shaft of a double-cylinder structure where an inner shaft is slidably inserted in an outer shaft, a balloon installed so as to straddle between the tip portion of the inner shaft and the tip portion of the outer shaft, a pair of high frequency current-carrying electrodes of which at least one electrode is provided inside the balloon, and a temperature sensor for monitoring the temperature in the balloon. The front edge portion of the balloon at least in a deflated state protrude from the tip portion of the inner shaft. Alternatively, a tube that is more flexible than the inner shaft is provided on the tip portion of the inner shaft.
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