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Comparison of Intervertebral Disc Displacements Measured Under Applied Loading With MRI at 3.0T and 9.4T

[+] Author Affiliations
Deva D. Chan, Paull C. Gossett, Kent D. Butz, Eric A. Nauman, Corey P. Neu

Purdue University, West Lafayette, IN

Paper No. SBC2013-14415, pp. V01AT16A003; 2 pages
doi:10.1115/SBC2013-14415
From:
  • ASME 2013 Summer Bioengineering Conference
  • Volume 1A: Abdominal Aortic Aneurysms; Active and Reactive Soft Matter; Atherosclerosis; BioFluid Mechanics; Education; Biotransport Phenomena; Bone, Joint and Spine Mechanics; Brain Injury; Cardiac Mechanics; Cardiovascular Devices, Fluids and Imaging; Cartilage and Disc Mechanics; Cell and Tissue Engineering; Cerebral Aneurysms; Computational Biofluid Dynamics; Device Design, Human Dynamics, and Rehabilitation; Drug Delivery and Disease Treatment; Engineered Cellular Environments
  • Sunriver, Oregon, USA, June 26–29, 2013
  • Conference Sponsors: Bioengineering Division
  • ISBN: 978-0-7918-5560-7
  • Copyright © 2013 by ASME

abstract

The noninvasive measurement of displacements under applied loading with magnetic resonance imaging (dualMRI) can be implemented on both clinical and high-field research MRI systems. dualMRI synchronizes cyclic loading applied by an MRI-compatible loading device with displacement-encoded MRI [1]. Numerous factors influence the MRI-based measurement of deformation (e.g. displacements and strain) in biomaterials and tissues, including the magnitude and frequency of cyclic loading, the geometry and configuration of the physical environment, and inherent material properties, which are often heterogeneous [2–4].

Copyright © 2013 by ASME

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