Accessory pathway detecting/cauterizing apparatus
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United States of America Patent
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Apr 21, 1998
Grant Date -
N/A
app pub date -
Dec 19, 1994
filing date -
Dec 20, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An accessory pathway detecting apparatus measures action potentials from first and second electrode leads, and outputs the obtained action potentials, as potential maps, to a CRT or a printer such that the action potentials can be displayed in the form of a list. An ablation catheter is inserted and located at a preexcitation portion obtained from the display, and the impedance between each of the electrodes of the first and second electrode leads and the electrode of the ablation catheter is measured by an impedance measuring circuit. A point where the lowest impedance is measured is regarded as an accessory pathway portion. The ablation catheter is fixed at this point.
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