Bone tissue separation combined repair device and auxiliary implantation instrument thereof

The utility model provides a bone tissue separation combined repair device and an auxiliary implantation instrument thereof, and solves the technical problem that the use of the existing bone tissue separation combined repair device cannot consider that the tibia or ulna side does not need to be cut and the inching of the distal tibiofibular is maintained. The steel plate is used for being fixed to the surface of the fibula or the radius, the fixing piece is connected with the steel plate, the anchor nail is used for being implanted into the tibia or the ulna from the fibula side or the radius side, a first through hole is formed in the fixing piece in the length direction in a penetrating mode, and a second through hole is formed in the anchor nail in the length direction in a penetrating mode. A first suture positioning part and a second suture positioning part are respectively arranged in the first through hole and the second through hole and are connected through a suture. The device is widely applied to