Affiliation: Affiliation China-Japan Friendship Hospital, Department of Orthopaedic Surgery, Beijing, China

Dr. Qidong Zhang graduated from Tongji Medical College, Huazhong University Of Science Technology(Wuhan, Hubei ) in June 2005 and got a bachelor’s degree in clinical medicine. He finished postgraduate courses at Peking University Health Science Center ( Beijing, China) between September 2007 and June 2010 and got his master’s degree in June 2010. He completed his PhD at Peking Union Medical College( Beijing, China) in June 2015 . During in Peking Union Medical College, he performed the study of lateral compartmental cartilage erosion in varus knee osteoarthritis and published three papers about this thesis. He was a visiting scholar at Harvard University Massachusetts General Hospital in 2018 and performed the knee kinematics study. He currently serves as the vice attending doctor of the Orthopedic Department at the China-Japan Hospital, meanwhile a master's supervisor at Peking Union Medical College and Peking University Health Science Center. His specialties include the treatment of osteonecrosis of the femoral head, osteoarthritis of the hip and knee, and unicompartmental knee arthroplasty. Zhang has engaged in orthopedic clinical, and research works for about 15 years, and specializes in total hip and knee arthroplasty, knee arthroscopy, and various osteotomy surgeries., especially in unicompartmental knee arthroplasty. In recent years, he has presided over several national and provincial research projects and published many research papers in academic journals.