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Abstract #1441

Uncertainty Analysis of Torque Measurement Methods Described in ASTM F2213-17

Xiao Fan Ding1,2, William B. Handler1, and Blaine A. Chronik1,2

1The xMR Labs, Department of Physics and Astronomy, University of Western Ontario, London, ON, Canada, 2Department of Medical Biophysics, University of Western Ontario, London, ON, Canada

With the prevalence of medical implants and MRI both on the rise around the world; patients, device manufacturers, and medical professionals alike should know how implants interact with the MR environment. One such interaction is the possibility of torque on an implant due to interaction with the main field. The current methods for measuring induced torque are published by ASTM International. However, although methods are available, their accuracy and precision have yet to be properly studied. This abstract investigates the measurement uncertainties of the two methods for measuring magnetically induced torque published in the test standard, ASTM F2213-17.

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