FEM analysis of pedicle screw-bone interfacefor different insertion directions

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Abstract

The paper presents a finite element analysis of three insertion directions of pedicle screw in lumbar vertebra, the purpose being to investigate the impact of the implantation trajectory over the stability of vertebral pedicle-screw interface, by comparing the maximal displacements obtained for the same pull-out force. Also, this information is helpful in the design process of a drilling template which can be used during surgery for increasing the pedicle screw positioning accuracy and its pull-out strength in the vertebra.

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APA

Popescu, D., & Parpala, R. C. (2011). FEM analysis of pedicle screw-bone interfacefor different insertion directions. In Annals of DAAAM and Proceedings of the International DAAAM Symposium (pp. 403–404). Danube Adria Association for Automation and Manufacturing, DAAAM. https://doi.org/10.2507/22nd.daaam.proceedings.200

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