Disclosed herein is a surgical operation by wire (SOBW) type surgical operation apparatus including an end effector configured so as to remove or minimize configurations of a mechanical cable. The SOBW type surgical operation apparatus includes: a body part; an extension part having one end connected to the body part; and an end effector formed at the other end of the extension part, and receiving electrical energy transferred through the body part and the extension part and converting the electrical energy into mechanical energy.