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基于异常步态运动学模拟的半月板接触力学行为的有限元分析。

Finite element analysis of meniscus contact mechanical behavior based on kinematic simulation of abnormal gait.

机构信息

School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, China.

Tianjin Supermenis Medical Technology Co. Ltd., Tianjin, China.

出版信息

Comput Methods Biomech Biomed Engin. 2024 Aug;27(11):1552-1562. doi: 10.1080/10255842.2024.2368656. Epub 2024 Jun 20.

DOI:10.1080/10255842.2024.2368656
PMID:38899984
Abstract

The meniscus plays a crucial role in the proper functioning of the knee joint, and when it becomes damaged, partial removal or replacement is necessary to restore proper function. Understanding the stress and deformation of the meniscus during various movements is essential for developing effective materials for meniscus repair. However, accurately estimating the contact mechanics of the knee joint can be challenging due to its complex shape and the dynamic changes it undergoes during movement. To address this issue, the open-source software SCONE can be used to establish a kinematics model that monitors the different states of the knee joint during human motion and obtains relevant gait kinematics data. To evaluate the stress and deformation of the meniscus during normal human movement, values of different states in the movement gait can be selected for finite element analysis (FEA) of the knee joint. This analysis enables researchers to assess changes in the meniscus. To evaluate meniscus damage, it is necessary to obtain changes in its mechanical behavior during abnormal movements. This information can serve as a reference for designing and optimizing the mechanical performance of materials used in meniscus repair and replacement.

摘要

半月板在膝关节的正常功能中起着至关重要的作用,当它受损时,需要进行部分切除或置换以恢复正常功能。了解半月板在各种运动中的应力和变形对于开发有效的半月板修复材料至关重要。然而,由于膝关节的复杂形状和运动过程中的动态变化,准确估计膝关节的接触力学可能具有挑战性。为了解决这个问题,可以使用开源软件 SCONE 来建立一个运动学模型,该模型可以监测人体运动过程中膝关节的不同状态,并获得相关的步态运动学数据。为了评估正常人体运动过程中半月板的应力和变形,可以选择运动步态中的不同状态值进行膝关节的有限元分析(FEA)。这种分析使研究人员能够评估半月板的变化。为了评估半月板损伤,有必要获得异常运动过程中半月板机械性能的变化。这些信息可以作为设计和优化半月板修复和置换材料机械性能的参考。

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