Ideal Configuration Distribution of Femoral Neck Cannulated Screw in High Altitude Population: A Finite Element Study

Figure 2

The stress nephogram of cannulated screws under loads of 500 N in two models. Red is the maximum stress. (a). Oblique triangle screw placement in complete femoral neck model. (b). Equilateral triangle screw placement in complete femoral neck model. (c). Oblique triangle screw placement in femoral neck fracture model. (d). Equilateral triangle screw placement in femoral neck fracture model.

(a)

(b)

(c)

(d)