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- W2386856314 abstract "[Objective] A 3D finite element model was utilized for understanding spinal stability and biomechanics and assessing MED treatment of lumbar intervertebral disc after surgery. [Methods] Healthy adult volunteers were selected and scanned by lumbar CT. These radiographic data were imputed intp Mimics for modeling,meshing,and 3D model building. Through Boolean shear function,the models of sham operation,the MED extraction operation,small fenestration operation and facet removal operation were established( named as A,B,C,D group). These 4 models were imported into Ansys software and then the displacement nephogram,the stress nephogram and pressure sensitive cloud were obtained and analyzed. [Results] With the increases of posterior laminectomy area,the vertebral stress shift obviously increased,which may affect the spine stability. The main area of vertebral stress was not changed by posterior operation,and discectomy had little effect on pressure distribution,vertebral shift and stress changes. [Conclusion] MED treatment of lumbar intervertebral disc after surgery has minimal impacts on spinal biomechanics,resulting in a good long- term biomechanical stability." @default.
- W2386856314 created "2016-06-24" @default.
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- W2386856314 date "2014-01-01" @default.
- W2386856314 modified "2023-09-23" @default.
- W2386856314 title "Three-dimensional finite element analysis of MED treatment of lumbar intervertebral disc after surgery" @default.
- W2386856314 hasPublicationYear "2014" @default.
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