A self-limiting electrosurgical return electrode for use with electrosurgery. Through the selection of impedance characteristics for the electrode materials of the principal body of the electrode, and through tailoring of electrode geometries, the return electrode of the present invention is self-regulating...http://www.google.es/patents/US6454764?utm_source=gb-gplus-sharePatente US6454764 - Self-limiting electrosurgical return electrode
