Device for the mapping of cardiac arrhythmia foci
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United States of America Patent
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Sep 28, 2004
Issued Date -
N/A
app pub date -
Aug 20, 2002
filing date -
May 13, 1999
priority date (Note) -
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Abstract
A device for the mapping of cardiac arrhythmia foci including a catheter body having a distal end, first and second point electrodes, which are secured in the surface of the catheter body and which form a first bipolar pair of electrodes, and third and fourth point electrodes, which are secured in the surface of the catheter body and which form a second bipolar pair of electrodes, wherein a line passing between the third and fourth point electrodes is within about 45 degrees of being perpendicular to a line passing through the first and second point electrodes and wherein all four point electrodes are secured to that portion of the surface of the catheter body forming no more than half of the circumference of the surface of the catheter body when viewed from the distal tip of the catheter so that all four electrodes can be in contact with the cardiac tissue at the same time during a cardiac procedure.
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