A system and method for creating lesions and assessing their completeness or transmurality. Assessment of transmurality of a lesion is accomplished by monitoring the impedance of the tissue to be ablated. Rather than attempting to detect a desired drop or a desired increase impedance, completeness of...http://www.google.co.uk/patents/US6989010?utm_source=gb-gplus-sharePatent US6989010 - Ablation system and method of use
