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Development and Analysis of a Three-dimensional Finite Element Model of Human Cervicothoracic Junction （C6-T1）

Author: GuoJianPeng
Tutor: MaXun
School: Shanxi Medical
Course: Orthopedics
Keywords: Cervicothoracic junction Three - dimensional finite element model Establish Biomechanics Finite Element Analysis
CLC: R687
Type: Master's thesis
Year: 2009
Downloads: 64
Quote: 0
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Abstract


Objective: To establish with detailed anatomical structures of the spine cervicothoracic junction C6 ~ T1 three-dimensional nonlinear finite element model , to give pure moment load test cervicothoracic junction model FSU flexion , extension , lateral bending when the normal range of motion , to verify the validity of the model . Stress distribution patterns of the model to explore the same time to give the pure moment loads . Methods: voluntary participation experiment one cases of normal healthy male subjects informed consent . Review the history of parallel X-ray plain film examination to exclude cervical chest disease . Use of spiral CT by combined continuous scan reconstruction of laboratory personnel cervicothoracic get the image of the original DICOM data using Mimic10.01 software for data processing , three-dimensional reconstruction of the bone surface model , using the established model Magic9.9 improved to LIS further smoothing format import ANYSY10.0 software to generate a three-dimensional entity , and to determine the unit type given material properties, and the bone structure of the cervicothoracic junction model entities . Further modeling is based on the literature and refer to the CT results on the soft tissue of the cervicothoracic junction , including the intervertebral disc and ligament structure , completed modeling . Result: the establishment of a more detailed finite element model of the cervicothoracic junction , the model consists of two parts of the bone structure and soft tissue . Appearance of the proposed model is realistic geometric similarity . The structure of three-dimensional reconstruction can be used singly or in combination display, can even be the choice of an arbitrary structure , any radial line and the angle of the reconstruction structure can be the appropriate three - dimensional measurement . The cervicothoracic model built by verifying , is consistent with the in vitro biomechanical experimental results can be further line finite element stress analysis of the various cervicothoracic junction . Conclusion : The structure of the model is complete , the spatial structure of the measurement of high accuracy , a fine cell division focused , more accurate simulation of the biomechanics of the spine cervicothoracic junction , spine cervicothoracic junction area of three-dimensional finite element for clinicians the model provides a convenient and accurate method to create the conditions for computer analysis and study of the local structure of the model in the performance of the biomechanical force case . The establishment of the model has high authenticity , can be used for further biomechanical analysis of experiments .

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CLC: > Medicine, health > Surgery > Orthopaedic Surgery ( movement system diseases,orthopedic surgery ) > Orthopedic surgery and surgery
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