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Towards Acoustic Vibration as a Diagnostic Tool for Spinal Fractures

[+] Author Affiliations
Wafa Tawackoli, Michael Liebschner

Rice University

Allen Burton, Larry Rhines, Ehud Mendel

University of Texas MD Anderson Cancer Center

Paper No. IMECE2005-81976, pp. 81-82; 2 pages
doi:10.1115/IMECE2005-81976
From:
  • ASME 2005 International Mechanical Engineering Congress and Exposition
  • Advances in Bioengineering
  • Orlando, Florida, USA, November 5 – 11, 2005
  • Conference Sponsors: Bioengineering Division
  • ISBN: 0-7918-4213-4 | eISBN: 0-7918-3769-6
  • Copyright © 2005 by ASME

abstract

The diagnostic tools for clinicians to detect vertebral body fractures are limited to radiation technologies1 , such as X-ray and CT. The objective is to identify shape changes that reflect bone tissue failure. Because this method is subjective, only crude changes of 15% and more in vertebral height can be detected2 . From in-vitro laboratory experiments it is know that the ultimate load is reached at deformations much less than 5%, and is generally detected before any shape changes are visible in radiographic images3 . Acoustic vibration is a promising technique to detect changes in material integrity and quality. The overall goal of this study was to investigate the use of acoustic vibration to detect spinal fractures.

Copyright © 2005 by ASME

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