• Jiang Li, Liao Wang, Xiaodong Li, Kai Feng, Jian Tang, and Xiaoqing Wang.
• Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, No. 639, Zhizaoju Road, Huangpu District, Shanghai, 200011, People's Republic of China.
• Arch Orthop Trauma Surg. 2017 Sep 1; 137 (9): 1219-1222.

AbstractCephalomedullary fixations are commonly used in the treatment of intertrochanteric fractures. In clinical practice, one of the difficulties is when we exit the guide wire in a wrong position of femoral neck and insert near the hole again, the guide wire often flow into the previous track. This study develops a surgical technique to direct the guide wire to slip away the previous track and slip into a right position. When guide wire is exited to the cortex of femoral, we let the wire in and out at the cortical layer for several times to enlarge the entry hole. After that, electric drill is inverted, rubbed and entered slowly at a right angle. When guide wire encountered new resistance, the electric drill is turned back instantly. This technique can help trauma and orthopedic surgeons to obtain precision placement of the lag screw after the first try is failed.

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