Fig. 4From: Bio-mechanical effects of femoral neck system versus cannulated screws on treating young patients with Pauwels type III femoral neck fractures: a finite element analysisThe model of internal fixation fixing Pauwels type III femoral neck fractures. (a) The model of three cannulated screws arranged in an inverted triangle. (b) The model of FNS. (c) The model of Pauwels type III femoral neck fractures fixated by three cannulated screws arranged in an inverted triangle. (d) The model of Pauwels type III femoral neck fractures fixated by FNSBack to article page