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Stress analysis of the tibial plateau according to the difference of blade path entry in opening wedge high tibial osteotomy

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Abstract

High tibial osteotomy (HTO) has been used to successfully treat patients with genu varus deformities that can improve mechanical function and condition in the knee joint. Clinical studies have reported that bow legs often occur with a concentrated load on the varus of the tibia. This study aimed to analyze and verify the clinical test data result by utilizing the three-dimensional (3D) static finite element method (FEM). The 3D model of lower extremities, which include the femur, tibia, meniscus, and knee articular cartilage, was created using the images from a computer tomography scan and magnetic resonance imaging. In this report, we compared changes in stress distribution and force reaction on the tibial plateau because of critical problems caused by unexpected changes in the tibial posterior-slope angle because of HTO. The results showed that the 5° wedge-angle virtual opening wedge HTO without and with the posterior-slope angle shows has a load concentration of approximately 60% and 45% in the medial region, respectively.

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Correspondence to Seok-Jo Yang.

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Recommended by Associate Editor Yoon Hyuk Kim

These authors equally contributed to the first authorship.

Jun-Woo Lee obtained his M.A. in Mechatronics Engineering from Chungnam National University. His research interests include structural health monitoring and static structural analysis.

Yuan-Zhu Xin received his B.S degree in Materials, Mechanical, and Automation Engineering from YanBian University of Science and Technology in 2009. He is currently pursuing his Ph.D. in the Department of Mechatronics Engineering at Chungnam National University. His research interest is the mechanics of the human body.

Jong-Hun, Ji received his M.D. from the Medical College of Chung Buk National University. Since 2002, he has been a professor at the Catholic University of Korea. His research interest is computational mechanics of the knee and shoulder joint.

Karnav Phanchal received his M.D. from the Medical College of the University. In 2014, he had a fellowship at Daejeon St. Mary’s Hospital of the Catholic University of Korea. His research interest is computational mechanics of the knee and shoulder joint.

Oh Soo Kwon, M.D. and Ph.D., is an attending knee surgeon in the Department of Orthopedic Surgery at Daejeon St. Mary’s Hospital of the Catholic University of Korea. He completed his fellowship at KyungHee University Hospital under Dr. D. K. Bae. He also completed a visiting program at the University of Pennsylvania.

Seak-Jo Yang received his Ph.D. in Biomedical Engineering from the University of Iowa. Since 2004, he has been a professor at Chungnam National University. His research interest is computational mechanics of the human body and vehicles.

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Lee, JW., Xin, YZ., Ji, JH. et al. Stress analysis of the tibial plateau according to the difference of blade path entry in opening wedge high tibial osteotomy. J Mech Sci Technol 29, 1175–1179 (2015). https://doi.org/10.1007/s12206-015-0229-4

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  • DOI: https://doi.org/10.1007/s12206-015-0229-4

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