Patient, male, 27 years old. In February 2010, the patient was sprained in his left calf by a conveyor belt of a blender and underwent surgical treatment in a local hospital. 8 months after the surgery, he was retreated due to a fracture of the tibial plate, and more than a year after the surgery, the affected limb had been suffering from weight-bearing pain and limited movement, and was diagnosed as “non-union of the old fracture of left tibial-fibular bone”. Preoperative film (non-union, severe defect) Postoperative film (after autologous fibula and cancellous bone grafting)