Mechanical analysis of the femoral neck dynamic intersection system with different nail angles and clinical applications

Figure 1  The femoral neck dynamic intersection system for femoral neck fracture fixation.

Figure 2 Flow chart of finite element model establishment. CT: Computed tomography; 3D: Three-dimensional; FNS: Femoral neck dynamic intersection system.

Figure 3 Schematic diagram of femoral neck dynamic intersection system composition. A: Lateral locking steel plate; B: Main nail; C: Anti-rotation screw; D: Locking nail.

Figure 4  Schematic diagram of the femoral neck fracture model with different main nail angles for femoral neck dynamic intersection system fixation.

Figure 5  The Von Mises stress distribution and peak value for five angles of fixation of femoral neck fracture.

Figure 6  Von Mises stress distribution and peak value of the femoral head.

Figure 7  Femoral stress distribution and peak values.