Application of lesser trochanteric reduction fixator in the treatment of unstable intertrochanteric fractures

Figure 1 Computer aided design of the newly developed lesser trochanteric reduction fixator. A: Structural schematic diagram of the novel lesser trochanteric reduction fixator for the treatment of intertrochanteric fractures; B: Structural schematic diagram of the handle and connecting rod. 1: Retractor; 2: Grasping rod; 3: Movable pusher; 4: Locating rivet; 5: Movable nut; 6: Drill sleeve; 7: Movable sleeve; 8: Steel ball; 9: Spring; 10: Locking sleeve; 11: Connecting rod; 12: Rivet; 13: Inner core; 14: Handle.

Figure 2 Example diagram of the novel lesser trochanteric reduction fixator for treatment of intertrochanteric fractures. A: Simulation of fixed position of a fixator; B: Simulation of a loop plate through the guiding hole; C: Imaging data of surgical internal fixation.