Abstract #4819
Implementation of low-cost, instructional tabletop MRI scanners
Clarissa Z Cooley 1,2 , Jason P Stockmann 3,4 , Cris LaPierre 2,4 , Thomas Witzel 2 , Feng Jia 5 , Maxim Zaitsev 5 , Pascal Stang 6,7 , Greig Scott 7 , Yang Wenhui 8 , Wang Zheng 8 , and Lawrence L Wald 2,9
1
Electrical Engineering, Massachusetts
Institute of Technology, Cambridge, MA, United States,
2
Athinoula
A. Martinos Center for Biomedical Imaging, Department of
Radiology, Massachusetts General Hospital, Charlestown,
MA, United States,
3
Athinoula
A. Martinos Center for Biomedical Imaging, Department of
Radiology, Massachusetts General Hospital, Charlestown,
Massachusetts, United States,
4
Department
of Physics, Harvard University, Cambridge, MA, United
States,
5
Department
of Radiology Medical Physics, University Medical
Centre Freiburg, Freiburg, Baden-Wrttemberg, Germany,
6
Procyon
Engineering, San Jose, CA, United States,
7
Electrical
Engineering, Stanford University, Stanford, CA, United
States,
8
Department
of Electromagnetic Detection and Imaging Technology,
Institute of Electrical Engineering, Chinese Academy of
Sciences, Beijing, China,
9
Harvard
Medical School, Boston, MA, United States
A low-cost, open-interface classroom MRI scanner is
demonstrated. The scanner was used in an undergraduate
lab course to interactively teach the concepts of free
induction decay, flip angle measurement, B0 shimming,
gradient echo, spin echo, 1D projection, and 2D as well
as 3D MR imaging. An open library of GUIs, pulse
sequences, and reconstruction codes is being developed
in MATLAB to help build a user base.
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