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.es/patents/US7250048?utm_source=gb-gplus-sharePatente US7250048 - Ablation system and method of use
