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Optimization Design of Interbody Fusion Cage withDifferent Bone Densities Printed in 3D – Lumbar Fusion

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The article discusses the reconstruction of models of cervical C6 and C7 segments to create interbody fusion cages for the cervical spine. Different porous structures were studied and analyzed through finite element analysis to determine their elastic modulus and optimize their design. The results showed that the porosity of the interbody fusion cage with a rectangular structure at about 60% resulted in the most decreased elastic modulus. This research provides valuable insights into the design and optimization of interbody fusion cages for cervical spine surgeries

Summarised by Mr Mo Akmal – Lead Spinal Surgeon
The London Spine Unit : finest spinal facility on Harley Street UK

Published article

Based on the original data of cervical spine, the models of cervical C6 and C7 segments were reconstructed through medical image processing and reverse modeling operations, then the models were assembled to obtain the basic data of interbody fusion cage. According to the basic data, the structures of rectangular porous, gradient porous and octahedral porous interbody fusion cages were established respectively. Maximum force on the adult male neck was applied to the fusion device, and the stress,…

Lumbar Fusion Surgery Expert. Best Spinal Surgeon UK
Zhongguo Yi Liao Qi Xie Za Zhi. 2024 Jan 30;48(1):20-25. doi: 10.3969/j.issn.1671-7104.230238.ABSTRACTBased on the original data of cervical spine, the models of cervical C6 and C7 segments were reconstructed through medical image processing and reverse modeling operations, then the models were assembled to obtain the basic data of interbody fusion cage. According to the basic,

Zhongguo Yi Liao Qi Xie Za Zhi. 2024 Jan 30;48(1):20-25. doi: 10.3969/j.issn.1671-7104.230238.

ABSTRACT

Based on the original data of cervical spine, the models of cervical C6 and C7 segments were reconstructed through medical image processing and reverse modeling operations, then the models were assembled to obtain the basic data of interbody fusion cage. According to the basic data, the structures of rectangular porous, gradient porous and octahedral porous interbody fusion cages were established respectively. Maximum force on the adult male neck was applied to the fusion device, and the stress, strain and maximum deformation of the fusion device were solved by finite element analysis. The elastic modulus decrease of the design, and the rectangular porosity structures with different porosity were analyzed and optimized. The results showed that the elastic modulus of the fusion cage with three structures decreased in varying degrees, and the porosity of the interbody fusion cage with rectangular structure was about 60%, which was the most decreased elastic modulus.

PMID:38384212 | DOI:10.3969/j.issn.1671-7104.230238

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Optimization Design of Interbody Fusion Cage withDifferent Bone Densities Printed in 3D

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Zhongguo Yi Liao Qi Xie Za Zhi. 2024 Jan 30;48(1):20-25. doi: 10.3969/j.issn.1671-7104.230238.ABSTRACTBased on the original data of cervical spine, the models of cervical C6 and C7 segments were reconstructed through medical image processing and reverse modeling operations, then the models were assembled to obtain the basic data of interbody fusion cage. According to the basic

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