3D patient-specific model of the tibia from CT for orthopedic use

被引：11

作者：

Gonzalez-Carbonell, Raide A. ^{[1
]}

Ortiz-Prado, Armando ^{[2
]}

Jacobo-Armendariz, Victor H. ^{[2
]}

Cisneros-Hidalgo, Yosbel A. ^{[1
]}

Alpizar-Aguirre, Armando ^{[3
]}

机构：

[1] Univ Camaguey, Dept Ingn Mecan, Camaguey 74650, Cuba

[2] Univ Nacl Autonoma Mexico, Unidad Invest & Asistencia Tecn Mat, Coyoacan 04510, DF, Mexico

[3] Inst Nacl Rehabil, Tlalpan 14389, DF, Mexico

来源：

JOURNAL OF ORTHOPAEDICS | 2015年 / 12卷 / 01期

关键词：

Biomechanical modelling; Tibial torsion; FEM; Patient-specific model;

D O I：

10.1016/j.jor.2015.01.009

中图分类号：

R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学（修复外科学）];

学科分类号：

摘要：

Objectives: 3D patient-specific model of the tibia is used to determine the torque needed to initialize the tibial torsion correction. Methods: The finite elements method is used in the biomechanical modeling of tibia. The geometric model of the tibia is obtained from CT images. The tibia is modeled as an anisotropic material with non-homogeneous mechanical properties. Conclusions: The maximum stress is located in the shaft of tibia diaphysis. With both meshes are obtained similar results of stresses and displacements. For this patient-specific model, the torque must be greater than 30 Nm to initialize the correction of tibial torsion deformity. Copyright (C) 2015, Professor P K Surendran Memorial Education Foundation. Publishing Services by Reed Elsevier India Pvt. Ltd. All rights reserved.

引用

页码：11 / 16

页数：6

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