Convertible pneumatic actuator for magnetic resonance elastography of the brain

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DOIResolve DOI: http://doi.org/10.1016/j.mri.2010.07.014
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TypeArticle
Journal titleMagnetic Resonance Imaging
Volume29
Issue1
Pages147152; # of pages: 6
SubjectMR elastography; Brain; Pneumatic actuator
AbstractHere we present a novel pneumatic actuator design for brain magnetic resonance elastography (MRE). Magnetic resonance elastography is a phase contrast technique capable of tracing strain wave propagation and utilizing this information for the calculation of mechanical properties of materials and living tissues. In MRE experiments, the acoustic waves are generated in a synchronized way with respect to image acquisition, using various types of mechanical actuators. The unique feature of the design is its simplicity and flexibility, which allows reconfiguration of the actuator for different applications ranging from in vivo brain MRE to experiments with phantoms. Phantom and in vivo data are presented to demonstrate actuator performance.
Publication date
LanguageEnglish
AffiliationNRC Institute for Biodiagnostics; NRC Industrial Materials Institute; National Research Council Canada
Peer reviewedYes
NPARC number19727298
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Record identifiera33adbe6-760a-4d26-98e0-c8781dbcd95c
Record created2012-03-28
Record modified2016-05-09
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