Patent ID: 6569159
Filing Date: 2003-05-27
Classification: A61B,A61M,A61N,B22F,C22C,C22F

Abstract:
A cell necrosis apparatus, comprising:an elongated delivery device including a lumen; an energy delivery device including at least a first and a second RF electrode each with a tissue piercing distal portion, the first and second RF electrodes being positionable in the elongated delivery device in a compacted state and being preformed to assume a curved shape when deployed, the first and second RF electrodes exhibiting a changing direction of travel when advanced from the elongated delivery device to a selected tissue site; at least one of the elongated delivery device, or at least one of the first or second RF electrodes having an infusion lumen terminating in at least one infusion port for fluid delivery therethrough; a source of RF power operatively connected to the energy delivery device for supplying RF power thereto, to ablate tissue at the tissue site, and a measurement device operatively connected to the energy delivery device and to the RF power source for measuring at least one of the current or voltage at the tissue site.