Three-Dimensional Biomechanical Finite Component Analysis Of Lumbar Disc Herniation In Center Aged And Elderly > 자유게시판

The stress distribution of the spine, intervertebral disc, and left and right articular cartilage was analyzed beneath particular loading circumstances. A total of 33 wholesome volunteers had been selected to take lumbar CT, MRI, and anteroposterial-lateral X-ray in the radiology division of a hospital. Chinese language volunteers aged between 25 and 35 years, and patients and their households were informed of the entire means of the study and agreed to just accept the finite ingredient evaluation. Earlier than the experiment, imaging examinations (CT, MRI, and many others.) were carried out on the volunteers to support prognosis, and no apparent abnormalities were discovered. The ultimate constructs were exported as STL format recordsdata. The stable volume was then, respectively, imported into the software Geomagic Studio 12.Zero (Geomagic Inc., USA), by which it was converted right into a non-uniform rational B-spline floor geometry construction. ]. The annular fibers embedded in the bottom substance have been assembled in a crisscross manner. The facet joint was created as a nonlinear three-dimensional contact problem using surface-to-floor contact components. A 3-dimensional finite component mannequin of intact cervical vertebra (C2-C7).


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