Disclosed herein is a medical device for surgery according to the present invention including: a frame which is led into a body and the frames front end portion is fixed adjacent to an affected part, and having a route of travel inside at least one treatment unit moving along the route of travel of the frame to be accessible to the affected part and treating the affected part a driving unit generating a driving force to drive the at least one treatment unit and a control unit controlling the driving unit generated from the control unit to control operation of the treatment unit. According to the present invention, accessibility to the affected part is improved as compared to that of the case according to the related art, and the treatment unit performs treatment on the affected part in the state in which the frame is fixed in the region adjacent to the affected part, thereby making it possible to improve accuracy of surgery.
