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Year : 2005  |  Volume : 53  |  Issue : 4  |  Page : 399--407

Role of mechanical factors in the evaluation of pedicle screw type spinal fixation devices

1 Department of Bioengineering and Orthopedics, University of Toledo and Medical College of Ohio, Toledo, OH, USA
2 Department of Neurosurgery, Wayne Sate University, Detroit, MI, USA

Correspondence Address:
V K Goel
Department of Bioengineering 5051C Nitschke Hall, University of Toledo, OH - 43606
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0028-3886.22604

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Prior to implantation, spinal implants are subjected to rigorous testing to ensure safety and efficacy. A full battery of tests for the devices may include many steps ranging from biocompatibility tests to in vivo animal studies. This paper describes some of the essential tests from a mechanical engineering perspective (e.g., motion, load sharing, bench type tests, and finite element model analyses). These protocols reflect the research experience of the past decade or so.


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Online since 20th March '04
Published by Wolters Kluwer - Medknow