Pullout strength of reinserted pedicle screws using the previous entry point and trajectory

Pullout strength of reinserted pedicle screws using the previous entry point and trajectory

Abstract Purpose This study compared the biomechanics of reinserted pedicle screws using the previous entry point and trajectory with those of correctly inserted pedicle screws. Methods The study used 18 lumbar vertebrae (L1–6) from three fresh calf spines to insert 6.5 × 40-mm pedicle screws. A con...

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Bibliographic Details
Main Authors: Xuanwu Huang, Zixiang Huang, Liwei Xu, Dongzhu Liang, Meichao Zhang, Hui Zhang
Format: Article
Language:English
Published: BMC 2019-07-01
Series:Journal of Orthopaedic Surgery and Research
Subjects:
Pedicle screw
Reinserted screw
Pullout strength
Lumbar spine
In vitro study
Online Access:http://link.springer.com/article/10.1186/s13018-019-1240-8

Internet

http://link.springer.com/article/10.1186/s13018-019-1240-8

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