| 摘要 |
<p>A catheter assembly (110) for treatment of cardiac arrhythmia characterized by: a catheter body (112) which includes a proximal portion, an intermediate portion (118) extending from the proximal portion and defining a longitudinal axis (L4), a distal portion (120) extending from the intermediate portion (118) and forming a coil, a first lumen extending from the proximal portion to the distal portion (120), an ablation section formed along the coil (22) and defining a loop (122) transverse to the longitudinal axis; the loop having a central axis parallel to the longitudinal axis of the catheter body; at least one electrode (114) associated with the ablation section; and wherein said distal portion includes a tip (124) that extends distal the loop (122) and is aligned with the loop central axis.
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