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Sensors 2014, 14(5), 7940-7958; doi:10.3390/s140507940

Simultaneous Magnetic Resonance Imaging and Consolidation Measurement of Articular Cartilage

1
Discipline of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology/2 George St., Brisbane 4001, Australia
2
SonoSite France Sarl, 19, avenue de Norvege, Parc d'activite les Fjords, Immeuble le Vega, 91140 Villebon sur Yvette, France
3
National Instruments France, 2 rue Hennape, 92735 Nanterre Cédex, France
4
Discipline of Biomedical Engineering and Medical Physics, Queensland University of Technology/2 George St., Brisbane 4001, Australia
5
Science and Engineering Faculty, Queensland University of Technology/2 George St., Brisbane 4001, Australia
*
Author to whom correspondence should be addressed.
Received: 19 December 2013 / Revised: 22 April 2014 / Accepted: 24 April 2014 / Published: 5 May 2014
(This article belongs to the Special Issue Magnetic Resonance Sensors)
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Abstract

Magnetic resonance imaging (MRI) offers the opportunity to study biological tissues and processes in a non-disruptive manner. The technique shows promise for the study of the load-bearing performance (consolidation) of articular cartilage and changes in articular cartilage accompanying osteoarthritis. Consolidation of articular cartilage involves the recording of two transient characteristics: the change over time of strain and the hydrostatic excess pore pressure (HEPP). MRI study of cartilage consolidation under mechanical load is limited by difficulties in measuring the HEPP in the presence of the strong magnetic fields associated with the MRI technique. Here we describe the use of MRI to image and characterize bovine articular cartilage deforming under load in an MRI compatible consolidometer while monitoring pressure with a Fabry-Perot interferometer-based fiber-optic pressure transducer.
Keywords: fiber interferometers; magnetic resonance imaging; compression; collagen structure; consolidometery fiber interferometers; magnetic resonance imaging; compression; collagen structure; consolidometery
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MDPI and ACS Style

Wellard, R.M.; Ravasio, J.-P.; Guesne, S.; Bell, C.; Oloyede, A.; Tevelen, G.; Pope, J.M.; Momot, K.I. Simultaneous Magnetic Resonance Imaging and Consolidation Measurement of Articular Cartilage. Sensors 2014, 14, 7940-7958.

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