Patent ID: 8182477
Filing Date: 2012-05-22
Classification: A61B

Abstract:
1. A system for heat ablation of tissue in a patient, the system comprising: at least one electrode operatively connected to a source of electrosurgical energy, the at least one electrode configured to apply electrosurgical energy to the tissue of the patient; at least one return electrode adapted to contact the patient and configured to return electrosurgical energy to the source of electrosurgical energy; and a current restricting circuit coupled between the at least one electrode and the source of electrosurgical energy, the current restricting circuit configured to restrict a flow of electrosurgical energy to the at least one electrode when the current restricting circuit is enabled and to not restrict the flow of electrosurgical energy to the at least one electrode when the current restricting circuit is disabled, wherein the current resisting circuit includes: