Abstract:
:This paper presents a biomechanical analysis of the cervical C5-C6 functional spine unit before and after the anterior cervical discectomy and fusion. The aim of this work is to study the influence of the medical procedure and its instrumentation on range of motion and stress distribution. First, a three-dimensional finite element model of the lower cervical spine is obtained from computed tomography images using a pipeline of image processing, geometric modelling and mesh generation software. Then, a finite element study of parameters' influence on motion and a stress analysis at physiological and different post-operative scenarios were made for the basic movements of the cervical spine. It was confirmed that the results were very sensitive to intervertebral disc properties. The insertion of an anterior cervical plate influenced the stress distribution at the vertebral level as well as in the bone graft. Additionally, stress values in the graft decreased when it is used together with a cage.
journal_name
Comput Methods Biomech Biomed Enginauthors
Fernandes PC,Fernandes PR,Folgado JO,Levy Melancia Jdoi
10.1080/10255842.2011.597351subject
Has Abstractpub_date
2012-01-01 00:00:00pages
1337-46issue
12eissn
1025-5842issn
1476-8259journal_volume
15pub_type
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