2022
DOI: 10.3389/fbioe.2022.1019510
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Biomechanical effects of individualized artificial titanium alloy lamina implantation after laminectomy: A finite element analysis

Abstract: Background and objectives: Laminectomy is a common surgical procedure in spine surgery. However, disruption of the posterior ligamentous complex of the spine may lead to a range of postoperative complications. Artificial lamina as a kind of bionic implant can well restore the posterior spinal structure. In this study, an individualized artificial titanium alloy lamina was designed to reconstruct the posterior spinal structure after laminectomy and explored its biomechanical effects, which could provide a theor… Show more

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Cited by 3 publications
(3 citation statements)
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“…Since all the data were conformed through normal human body parameters, the INT model was able to replicate human physiological movements of the L2/4 vertebrae. Owing to modeling inconsistencies, some individual values were inconsistent with previous FE results [27,28,30]; however, despite these variations, all values under different conditions were within the vitro range.…”
Section: Validation Of the Int Modelcontrasting
confidence: 66%
See 1 more Smart Citation
“…Since all the data were conformed through normal human body parameters, the INT model was able to replicate human physiological movements of the L2/4 vertebrae. Owing to modeling inconsistencies, some individual values were inconsistent with previous FE results [27,28,30]; however, despite these variations, all values under different conditions were within the vitro range.…”
Section: Validation Of the Int Modelcontrasting
confidence: 66%
“…It is widely recognized that the spine is influenced by various load conditions, among which the invariable rule is joint movement [29]. The movement of one segment corresponds to the mutual movement of another segment, which is a necessary prerequisite for understanding the interaction among an intact spine, a laminectomy, and a laminoplasty [30]. The goal of a restorative laminoplasty is to integrate the posterior column complex, and thus, the range of motion (ROM) and displacement of segmental vertebrae could directly reflect the biomechanical stability, efficacy, and feasibility of the surgery, as well as the stability of fixed segments and the risk of complications.…”
Section: Introductionmentioning
confidence: 99%
“…Great variability of mechanical properties was closely related to the anatomic location, orientation, and nonhomogeneous morphology (Hulme et al, 2007). However, the material properties of natural vertebrae in the process of biomechanical analysis were set as the linear elastic isotropy (Fan et al, 2021), or based on the mapping relationship of the grayscale-apparent density-modulus (Gong et al, 2022). Hence, it is indispensable and urgent to take full account of the influence of material anisotropy during the design and biomechanical evaluation of bone defect repair, so as to accurately reflect the service performance of the reconstructed system.…”
Section: Introductionmentioning
confidence: 99%