Abstract #2631

Implant heating in muscle-mimicking phantoms: an in silico evaluation of perfusion cooling

Amgad Louka^1,2, William Bradfield-Handler^2,3, and Blaine Chronik^1,2,3

¹Medical Biophysics, Western University, London, ON, Canada, ²The xMR Labs, Western University, London, ON, Canada, ³Physics & Astronomy, Western University, London, ON, Canada

Synopsis

We have developed a novel perfusion phantom and this work describes the simulated RF-heating of a 10 cm titanium rod inside this phantom when placed inside the current gold standard (ASTM) phantom, and our geometry/muscle-mimicking phantoms. Simulations show a 30-45% decrease in observed heating due to perfusion cooling, and once these simulations are experimentally validated they could pave the way for improved acceptance criteria and ultimately improved patient access to MRI

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