Evaluation of the computer-assisted virtual surgical technology in preoperative planning for distal femoral fracture

•The computer-assisted virtual surgical technology could aid clinicians rapidly achieve precise and reliable preoperative planning for distal femoral fractures.•Compared with conventional method, the technique provided results of less operative time, lower blood loss, fewer fluoroscopic images and shorter hospital stays.•Satisfying clinical and radiographic outcomes were obtained after treating distal femoral fractures aided by the technique.