The invention provides methods, systems and apparatus for electrosurgically treating tissue particularly within the uterus and prostate. In an exemplary method, a surgical instrument comprising an elongate shaft having a proximal end and a distal end, an active electrode near the distal end, and a return...http://www.google.es/patents/US6113594?utm_source=gb-gplus-sharePatente US6113594 - Systems, methods and apparatus for performing resection/ablation in a conductive medium
Systems, methods and apparatus for performing resection/ablation in a ...
