Xiong Ao   Associate Chief Physician, Orthopedic Department   PhD in Orthopedics from Peking University, member of the Chinese Medical Association Orthopedic Branch, youth committee member of the Trauma Orthopedics Branch of the Guangdong Medical Association, and serving as the academic secretary and committee member of the Orthopedic Professional Committee of the Shenzhen Medical Association, as well as a member of the Joint and Bone Tumor Groups.    Specializes in the staging and treatment of hip and knee arthritis, hip dysplasia, and femoral head necrosis, with a focus on minimally invasive anterior approach hip replacement surgery using small incisions.