Systems and methods for heating or ablating body tissue place in contact with tissue an electrode, which includes an exterior wall peripherally surrounding an interior area. A lumen conveys a medium containing ions into the interior area. At least a portion of the exterior wall of the electrode comprises...http://www.google.es/patents/US5868736?utm_source=gb-gplus-sharePatente US5868736 - Systems and methods to control tissue heating or ablation with porous electrode structures
Systems and methods to control tissue heating or ablation with porous ...
