ArticleMedical & biological engineering & computing2014
Biomechanical analysis and design of a dynamic spinal fixator using topology optimization: a finite element analysis.
Article in Medical & biological engineering & computing, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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Who cites it
8 citing papers in PubMed, 17 citations in OpenAlex.
- The mechanical behavior of bovine spinal cord white matter under various strain rate conditions: tensile testing and visco-hyperelastic constitutive modeling.Medical & biological engineering & computing · 2023Article
- Biomechanical investigation of topping-off technique using an interspinous process device following lumbar interbody fusion under vibration loading.Medical & biological engineering & computing · 2021Article
- The advances of topology optimization techniques in orthopedic implants: A review.Medical & biological engineering & computing · 2021Review
- Implications of 3-Dimensional Printed Spinal Implants on the Outcomes in Spine Surgery.Journal of Korean Neurosurgical Society · 2021Article
- Development and Validation of a Computationally Efficient Finite Element Model of the Human Lumbar Spine: Application to Disc Degeneration.International journal of spine surgery · 2020Article
- Finite element analysis and design of an interspinous device using topology optimization.Medical & biological engineering & computing · 2019Article
- Biomechanical analysis of a new lumbar interspinous device with optimized topology.Medical & biological engineering & computing · 2018Article
- Bio-Functional Design, Application and Trends in Metallic Biomaterials.International journal of molecular sciences · 2017Review
Corrections and comments
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Authors and funding
7 authors at 5 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Surgeons often use spinal fixators to manage spinal instability. Dynesys (DY) is a type of dynamic fixator that is designed to restore spinal stability and to provide flexibility. The aim of this study was to design a new spinal fixator using topology optimization [the topology design (TD) system]. Here, we constructed finite element (FE) models of degenerative disc disease, DY, and the TD system. A hybrid-controlled analysis was applied to each of the three FE models. The rod structure of the topology optimization was modelled at a 39 % reduced volume compared with the rigid rod. The TD system was similar to the DY system in terms of stiffness. In contrast, the TD system reduced the cranial adjacent disc stress and facet contact force at the adjacent level. The TD system also reduced pedicle screw stresses in flexion, extension, and lateral bending.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.