Document Detail


A vertebral finite element model and its response to loading.
MedLine Citation:
PMID:  2151664     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A finite element model of a complete vertebra has been developed. The response of the loads applied to the model nodes were correlated with the experimentally measured pressures on the vertebral endplate. Model results were also validated against experimental data and were found to have a reasonably good correlation with measured strains. The model confirmed that there were high stresses at the junction of the pedicles with the body, along the anterior aspects of the body and near the pars interarticularis. The model was further used to simulate partial and full laminectomies on the right side of the vertebra. This resulted in high tensile stresses in the pedicles and in the region of the pars interacticularis, especially when the upper portion of the lamina was taken out.
Authors:
H S Ranu
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Medical progress through technology     Volume:  16     ISSN:  0047-6552     ISO Abbreviation:  Med Prog Technol     Publication Date:  1990  
Date Detail:
Created Date:  1991-09-17     Completed Date:  1991-09-17     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0331260     Medline TA:  Med Prog Technol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  189-99     Citation Subset:  IM; S    
Affiliation:
Department of Biomechanics, Nelson A. Rockefeller Academic Center, New York College of Osteopathic Medicine, New York Institute of Technology, Old Westbury 11568.
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MeSH Terms
Descriptor/Qualifier:
Biomechanics
Computer Graphics
Computer Simulation*
Humans
Laminectomy
Models, Biological*
Reference Values
Spine / physiology*,  surgery
Stress, Mechanical
Tensile Strength

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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