A device for localizing a target tissue mass in a body includes a tubular trocar portion having a distal end and a proximal end portion that is removably attachable to a handle portion. The trocar portion contains at least a first plurality of locator wires that are movable between a retracted position...http://www.google.com/patents/US20020077628?utm_source=gb-gplus-sharePatent US20020077628 - Electrosurgical lesion location device
