关节镜下行髁上交锁髓内钉加记忆骨卡环治疗股骨中下段严重粉碎性骨折

• TREATMENT OF COMMINUTED INFERIOR FEMORAL FRACTURES WITH COMBINATION OF SUPRACONDYLAR LOCKED INTRAMEDULLARY NAIL AND SHAPE MEMORY BLOCK HOOP INTERNAL FIXATOR UNDER ARTHROSCOPY