An RF device has a support structure. An RF electrode, coupled to the support structure, includes conductive and dielectric portions. A cooling member, coupled to the support structure, is configured to cool a back surface of the RF electrode. The cooling member is distanced from the back surface of...http://www.google.es/patents/US7452358?utm_source=gb-gplus-sharePatente US7452358 - RF electrode assembly for handpiece