Graduate School of Peking Union Medical College and Chinese Academy of Medical Sciences

1 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.