Operative Dissector,Single User. Introduction: Hand-controlled electrosurgical pencils with multifunctions as cutting ,coagulation,dissection,suction. With pushing-key,non-sticky extendable needle, standard Valleylab type connector and 3.2m cable. Recommended using in deep operations: Lymphonode,dissection,cholecystectomy,hepatectomy,retictoperitoneal tumor resection,throidectomy,mastectomy,etc. Generally applicable to general surgery, liver, gallbladder, pancreas, spleen, stomach, intestine, cancer and other complex surgery.