个体化骨肌多体动力学和有限元联合建模的肩胛骨锁定板生物力学评估方法

范勋健 1; 2; 陈瑱贤 2; 3; 曹卓 4; 夏志辉 1; 陈军 4; 靳忠民 2; 5

doi:10.7652/xjtuxb201907023

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个体化骨肌多体动力学和有限元联合建模的肩胛骨锁定板生物力学评估方法

更新时间：2025-07-09

- 个体化骨肌多体动力学和有限元联合建模的肩胛骨锁定板生物力学评估方法
- Combined Musculoskeletal Multi-Body Dynamics and Finite Element Investigation for Customi-ed Scapular Locking Plate
- 西安交通大学学报 2019年53卷第7期页码：168-176
- 作者机构：
  
  1. 中国工程物理研究院机械制造工艺研究所,四川,绵阳,621900
  2. 西安交通大学机械制造系统工程国家重点实验室,西安,710049
- 作者简介：
- 基金信息：
  
  : 2018-12-10。作者简介: 范勋健(1992-),男,硕士;陈军(通信作者),男,副主任医师,副教授。基金项目: 国家自然科学基金资助项目(51508031,51775460);中央高校基本科研业务费专项基金资助项目(310825173702)
- DOI：10.7652/xjtuxb201907023
  中图分类号： TH122
- 网络首发：2019-07-10，
  
  纸质出版：2019
- 稿件说明：
移动端阅览
范勋健 1, 2, 陈瑱贤 2, 等. 个体化骨肌多体动力学和有限元联合建模的肩胛骨锁定板生物力学评估方法[J]. 西安交通大学学报, 2019,53(7):168-176.

Combined Musculoskeletal Multi-Body Dynamics and Finite Element Investigation for Customi-ed Scapular Locking Plate[J]. 2019, 53(7): 168-176.
范勋健 1, 2, 陈瑱贤 2, 等. 个体化骨肌多体动力学和有限元联合建模的肩胛骨锁定板生物力学评估方法[J]. 西安交通大学学报, 2019,53(7):168-176. DOI： 10.7652/xjtuxb201907023.

Combined Musculoskeletal Multi-Body Dynamics and Finite Element Investigation for Customi-ed Scapular Locking Plate[J]. 2019, 53(7): 168-176. DOI： 10.7652/xjtuxb201907023.

摘要

为解决难以在体内生理载荷条件下评估植入物力学性能的问题

建立了个体化骨肌多体动力学联合有限元建模方法

在个体抬高运动体内载荷状况下调查肩胛骨骨折板的设计和生物力学性能。以一例个体的相关数据为材料

基于骨肌多体动力学软件Anybody和有限元软件Abaqus

建立与个体上肢相对应的骨肌多体动力学模型和肩胛骨骨折固定有限元模型

模拟右臂外展90°和前屈45°运动; 采用骨肌多体动力学方法

预测个体体内所有的肌肉力和关节力

然后将预测的肌肉力和关节力加载至肩胛骨骨折固定有限元模型

调查新设计骨折板的生物力学性能

并与传统重建板进行了对比。结果表明:在右臂外展和前屈运动中

最大盂肱关节接触力分别为428 N和379 N; 2.6 mm厚度新设计骨折板的最大范氏应力分别为118 MPa和113 MPa

均小于3 mm厚度重建板的最大范氏应力128 MPa和142 MPa。与传统的植入物失效评估方法相比

个体化联合建模方法增加考虑了个体的解剖差异和体内生理载荷状况

允许在个体日常活动体内载荷下调查植入物的生物力学性能

可为假体设计、医生手术和术后康复提供理论指导。

Abstract

A combined method of customi-ed musculoskeletal multi-body dynamics(MBD)and finite element(FE)modelling is proposed to overcome the difficulties for evaluating the failure of implant under in vivo physiological loading conditions.Following the related data from an adult male

the subject-specific upper extremity musculoskeletal MBD model and the corresponding scapular fracture fixation FE model are established to simulate arm abduction and forward flexion movements with the musculoskeletal MBD software AnyBody and the FE software Abaqus.The glenohumeral joint forces and all muscle forces calculated by the MBD analysis are applied to the FE model

and von Mises stresses are obtained to investigate the validity of the new-designed locking plate compared with the traditional reconstruction plate under in vivo physiological loading conditions.The maximum glenohumeral joint forces reach 428 N and 379 N observed at 90- of abduction and 45- of flexion respectively.The corresponding maximum

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references

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