颈椎6-颈椎7节段梯形笼的力学响应

Balamurugan Subramanian, Rushav Kumar Chhatoi, Vallabh Dixit, P. S. Manickam
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引用次数: 0

摘要

颈椎是人体最重要的支撑系统。它由椎体、组织、小关节、椎间盘和韧带组成。颈椎的问题比较频繁,它可以是由于意外事故或随着年龄的增长而增加。本研究的目的是研制不同孔隙度的椎间融合器,并研究其在压缩载荷作用下的行为。在笼内引入的骨移植物将提供与邻近椎体的骨整合。为了进行生物力学分析,我们创建了颈椎水平颈椎6-颈椎7,并将颈椎笼插入功能脊柱单元,并使用有限元分析进行压缩载荷分析。在本研究中,通过在笼的上下表面引入半球形孔隙来减少笼的应力,并在相同的孔隙中引入骨移植物以获得更好的骨整合。因此,减小网箱结构中的应力将减少网箱沉降和移动的发生。
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Mechanical Response Of Trapezoidal Cage On Cervical 6-Cervical 7 Level
The human cervical spine is the most essential support system of the whole body. It consists of vertebras, tissues, facet joints, intervertebral discs and ligaments. The problems in the cervical spine is more frequent, it can be due to accident or increase with the age. The objective of this study is to develop the interbody fusion cage with different porosity size and study the behavior of the cage for the compression loads. The bone graft introduced in the cage will provide osteointegration with the adjacent vertebra. For the biomechanical analysis we created the cervical level cervical 6- cervical 7 and inserted the cage in the functional spine unit and analyzed using finite element analysis for compression loadings. In this study by introducing the semi spherical shape porosity in the inferior and superior surface of the cage will reduce the cage stress and in the same porosity we introduced the bone graft for the better osteointegration. So, the reduced stress in the cage structure will reduce the occurrence of the subsidence and migration of the cage.
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