Methods of cardiac ablation in the vicinity of the right inferior pulmonary vein
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United States of America Patent
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app pub date -
Feb 22, 2005
filing date -
Jul 14, 1999
priority date (Note) -
Abandoned
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Abstract
The present invention provides devices and methods for the treatment of atrial fibrillation. In one embodiment a method for ablating tissue about an ostium of a right inferior vein of a heart includes positioning a sheath catheter having a deflectable distal end segment with a bent tip element in the left atrium of a heart, causing the distal end segment to deflect in a compound curve as the catheter is advanced towards an ostium of a right inferior vein, orienting said sheath catheter such that an ablation instrument can be delivered through the sheath catheter to a position proximal to the right inferior vein, and activating the ablation instrument to form at least one lesion about the right inferior vein.
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