Catheter having electrode with annular recess and method of using same
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United States of America Patent
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Jun 4, 1996
Issued Date -
N/A
app pub date -
Jul 6, 1994
filing date -
Dec 26, 1991
priority date (Note) -
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Abstract
A cardiovascular electrode catheter for use in arrhythmia ablation procedures has a dumbbell-shaped large-tip electrode having an annular recess or indentation. The annular recess divides the electrode into a ball-shaped distal portion and a generally cylindrical proximal portion. Both the distal and proximal portions of the electrode have a diameter substantially the same as that of the catheter body. The recess enables the electrode to grip the mitral or tricuspid annulus or the atrial or ventricular myocardial wall to improve ablation procedures.
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