| 摘要 |
An electrode catheter system suitable for electrophysiology mapping, and/or radio frequency ablation of cardiac tissue comprises a catheter shaft (1) having a distal end, a proximal handle, and at least a lumen (16) extending therebetween, wherein a distal section of the shaft is either a fixed curve or deflectable; and safety restricting means at the very distal end of the catheter shaft being provided to maintain the integrity of the catheter by holding the tip electrode (9) in place from thermal cycling effect.
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