Catheter system having safety means and methods thereof
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United States of America Patent
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Nov 30, 1999
Issued Date -
N/A
app pub date -
Apr 24, 1998
filing date -
Jun 23, 1997
priority date (Note) -
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Abstract
The method for using a catheter system suitable for electrophysiology mapping and radiofrequency ablation of cardiac tissue comprises a catheter shaft having a distal end, a proximal handle, and at least one lumen extending therebetween, wherein a distal section of the shaft is either a fixed curve type or a deflectable type; and a safety means provided to maintain the integrity of the catheter, by anchoring the tip electrode in place. In one embodiment, the safety means is a tip electrode with safety anchoring pins. In another embodiment, the safety means is a long tip electrode with an extended flexible stem having at least one open slot or groove or groove on the stem.
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