The Feasibility of Combined Magnetic Resonance Thermometry and Multiphysics Simulation to Evaluate RF Induced Heating of Metallic Devices
David C. Gross 1,2 , Yu Ding 2 , Sergei Yushanov 3 , Jeff Crompton 3 , Alan Leewood 4 , and Orlando P. Simonetti 5,6
Biomedical Engineering, The Ohio State
University, Columbus, Ohio, United States,
M. Davis Heart and Lung Research Institute, The Ohio
State University, Columbus, Ohio, United States,
Technologies, LLC, Columbus, Ohio, United States,
Institute, Inc., West Lafayette, Indiana, United States,
Medicine, The Ohio State University, Columbus, Ohio,
The Ohio State University, Columbus, Ohio, United States
RF induced heating is an important safety concern as the
number of patients implanted with medical devices
increases and the use of 3T MRI becomes more prevalent.
We hypothesize that the combination of Magnetic
Resonance Thermometry (MRT) and multiphysics simulation
would provide a more accurate assessment of MR safety
than current in vitro test methods, and could ultimately
be used to evaluate RF induced heating of devices in
vivo. The purpose of this work is to evaluate the
feasibility of this approach by comparing temperature
probe measurements with MRT and multiphysics simulation
of RF induced heating near a metallic device.
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