China-Japan Friendship Hospital 1 article published in JoVE Medicine Augmented Reality Navigation-Guided Core Decompression for Osteonecrosis of Femoral Head Qi Wang*1,3, Qiuyuan Wang*2,3, Ran Ding3, Youjie Yao4, Junjun Pan5, Weiguo Wang3 1China-Japan Friendship School of Clinical Medicine, Peking University, 2Graduate School of Beijing University of Chinese Medicine, 3Department of Orthopedic Surgery, Beijing Key Lab of Immunes-Mediated Inflammatory Disease, China-Japan Friendship Hospital, 4Beijing Normal University, 5State Key Laboratory of Virtual Reality Technology and Systems, Beihang University Augmented reality technology was applied to core decompression for osteonecrosis of the femoral head to realize real-time visualization of this surgical procedure. This method can effectively improve the safety and precision of core decompression.