Development and application of computer assisted optimal method for treatment of femoral neck fracture

BACKGROUND: To help doctors decide their treatment from the aspect of mechanical analysis, the work built a computer assisted optimal system for treatment of femoral neck fracture oriented to clinical application. OBJECTIVE: The whole system encompassed the following three parts: Preprocessing module, finite element mechanical analysis module, post processing module. METHODS: Preprocessing module included parametric modeling of bone, parametric modeling of fracture face, parametric modeling of fixed screw and fixed position and input and transmission of model parameters. Finite element mechanical analysis module included grid division, element type setting, material property setting, contact setting, constraint and load setting, analysis method setting and batch processing operation. Post processing module included extraction and display of batch processing operation results, image generation of batch processing operation, optimal program operation and optimal result display. RESULTS: The system implemented the whole operations from input of fracture parameters to output of the optimal fixed plan according to specific patient real fracture parameter and optimal rules, which demonstrated the effectiveness of the system. CONCLUSIONS: Meanwhile, the system had a friendly interface, simple operation and could improve the system function quickly through modifying single module.