PURPOSE: A fixing device is provided to fix a cut bone stably, by preventing a bone fixing screw inserted into the bone from protruding to the outside in advance. CONSTITUTION: A fixing device(10) includes a bone fixing unit(100), a bone fixing screw(200) and a supporting unit(300). The bone fixing unit connects cut bones, and the bone fixing screw fixes the bone fixing unit to the bone. The supporting unit assists an operator to hold the bone fixing unit safely and easily. The bone fixing screw includes a body part, a hooking part, an accommodation part and a head part. The body part is formed by repeating a screw thread and a threaded rod in turn, and the hooking part is formed on the upper part of the body part. The accommodation part is formed with a smaller radius than the hooking part on the upper part of the hooking part, and is located in the inside of the screw hole. The head part is formed on the upper part of the accommodation part, and has a larger radius than the screw hole.경골고위골절술용 고정기구가 개시된다. 경골고위골절술용 고정기구는 경골고위골절술(high tibial osteotomy)에서 절개된 뼈를 고정시키는 기구로, 나사홀이 형성된 판 형상의 골 고정판과, 상기 골 고정판의 중심영역에 형성되며 상기 뼈의 절개된 부분에 삽입되는 골 지지부를 가지는 골 고정구； 상기 나사홀에 삽입되며, 상기 골 고정구를 상기 절개된 뼈에 고정시켜는 골 고정 나사를 포함한다.
