<i>In vitro</i>measurement of tibiofemoral kinematics after patient-specific unicompartmental knee replacement
<i>In vitro</i>measurement of tibiofemoral kinematics after patient-specific unicompartmental knee replacement作者机构：Department of Mechanical and Mechatronic Engineering Stellenbosch University Stellenbosch South Africa Department of Orthopaedic Surgery Stellenbosch University Stellenbosch South Africa Stellenbosch Medi-Clinic Stellenbosch South Africa
出 版 物：《Journal of Biomedical Science and Engineering》 (生物医学工程（英文）)
年 卷 期：2012年第5卷第12期
页 面：729-736页
学科分类：1002[医学-临床医学] 100210[医学-外科学(含：普外、骨外、泌尿外、胸心外、神外、整形、烧伤、野战外)] 10[医学]
主 题：Tibiofemoral Kinematics Patient-Specific Knee Unicompartmental Knee Replacement
摘 要：It is suggested that unicompartmental knee replacement (UKR) offers the potential to restore normal knee kinematics better than total knee replacement (TKR) because of retaining the cruciate ligaments, and better preservation of the overall geometry. It was hypothesized that patient-specific UKR would restore normal knee kinematics even better because of a customised articular shape. A comparative kinematics study was conducted on three cadaver limbs using two different test setups, a loaded ankle rig and an unloaded ankle rig. Kinematics was compared between a patient-specific UKR and a conventional fixed-bearing UKR. Both the UKRs showed similar kinematic patterns to the normal knee using both the test apparatus. The patient-specific UKR showed good results and with the other benefits it shows potential to dramatically improve clinical outcomes of knee replacement surgery.
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