Figure 3From: Comparison of our self-designed rotary self-locking intramedullary nail and interlocking intramedullary nail in the treatment of long bone fracturesAnterograde and retrograde fixation procedure for femoral fractures. Anterograde fixation (A1–C1); retrograde fixation (A2–C2). A1 incision, B1 the entry point for the nail, C1 main nail and locking tag screwing. A2 incision, B2 the entry point for the nail, C2 main nail screwing, D2 locking tag screwing.Back to article page