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Abstract #3581

Magnetic Susceptibility of Common Metals and Alloys Used in Medical Devices

Grant M. Baker1, Eric D. Anttila1, Erick Smith1, Andrew Robison1, and David C. Gross1
1MED Institute Inc., West Lafayette, IN, United States


The goal of this study was to characterize the magnetic susceptibility and accompanying magnetically induced force, torque, and image artifact of metals and alloys that are commonly used in medical devices. These values were reported for 46 metals and alloys, with an overall trend that magnetically induced force, torque, and image artifact increased with increasing susceptibility of a material. The results of this study can inform medical device design for the development of safer and better performing devices, especially in the growing area of MR guided procedures.

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