1. Department of Orthopaedics Second Hospital of Shanxi Medical University Taiyuan China
2. Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair Taiyuan China
3. School of Mechanical Engineering, Hangzhou Dianzi University Hangzhou China
4. State Key Laboratory of Fluid Power and Mechatronic Systems School of Mechanical Engineering, Zhejiang University Hangzhou China
5. Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province School of Mechanical Engineering, Zhejiang University Hangzhou China