Graduate School of Beijing University of Chinese Medicine

2 ARTICLES PUBLISHED IN JoVE

Medicine

Sensor Assessment of Gap Balance in Mobile-Bearing Unicompartmental Knee Arthroplasty

Xiaowei Sun^*1,2, Qiuyuan Wang^*2,3, Juncheng Ge^*2,4, Weiguo Wang², Wanshou Guo^1,2, Qidong Zhang^1,2,4

¹Graduate School of Peking Union Medical College and Chinese Academy of Medical Sciences, ²Department of Orthopaedic Surgery, China-Japan Friendship Hospital, ³Graduate School of Beijing University of Chinese Medicine, ⁴Department of Orthopaedic Surgery, Peking University China-Japan Friendship School of Clinical Medicine

Here, we present a protocol to measure the gap contact force and gap balance in mobile-bearing unicompartmental knee arthroplasty (UKA). Along with the clinical and radiographic data, we hope to determine the normal range of the contact force and set up the threshold of the gap balance.

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.