ArticleMedicine2017
Biomechanical evaluation of a novel integrated artificial axis: A finite element study.
Article in Medicine, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Clinical Application of 3D-Printed Artificial Vertebral Body (3DP AVB): A Review.Journal of personalized medicine · 2024Review
- Article
- Design of a novel lateral mass screw-plate system for the treatment of unstable atlas fractures: a finite element analysis.Journal of orthopaedic surgery and research · 2024Article
- Reconstruction after resection of C2 vertebral tumors: A comparative study of 3D-printed vertebral body versus titanium mesh.Frontiers in oncology · 2022Article
- A graphical guide for constructing a finite element model of the cervical spine with digital orthopedic software.Annals of translational medicine · 2021Review
- 3-dimensional printing for anterior cervical surgery: a review.Journal of spine surgery (Hong Kong) · 2018Review
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Various modified instruments are used for the anterior reconstruction of the tumor lesion affecting the second cervical vertebra, but there have been no reports regarding individual integrated artificial axis (IAA) prosthesis fabricated by selective laser melting. In the present work, a new type of IAA prosthesis has been designed with a 3-dimensional (3D) finite element model of normal occiput-the fourth cervical vertebra being established to assess its biomechanics. For easy comparison, another 3D finite element model is also established for the T-shaped Harms cage and an additional posterior fixation was performed on each model. The models are tested under a preliminary loading of 40 N to simulate cervical physical action including flexion, extension, lateral bending, and rotation. Under various loads from 4 different directions, the maximum stress and displacement of the IAA are less than those of the modified T-shaped Harms cage. Except for flexion, the maximum stress of the third cervical vertebra endplate of the IAA is smaller than that of the modified T-shaped Harms cage. The new prosthesis with axis is a good choice for upper cervical operation, which not only can greatly increase the operation stability of the upper cervical segment but also could significantly reduce the risk of fixation failure due to Harms cage subsidence.
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Registered trials
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