A tissue-ablation method and apparatus are disclosed. The apparatus includes a plurality of RF ablation electrodes, and a plurality of sensor elements, each movable from retracted to deployed positions in a tissue to be ablated. A control device in the apparatus is operatively connected to the electrodes...http://www.google.fr/patents/US7160296?utm_source=gb-gplus-shareBrevet US7160296 - Tissue ablation apparatus and method