Heating of patients or burning of biological tissues by RF power induced by medical implants during MRI scan is a significant patient safety concern. The poor reliability and repeatability of the manufacturer-reported SAR values on clinical MRI systems have been acknowledged. High SAR and temperature change occur on both head and tail of artificial hip joints. It is essential to assess the safety of MRI system for patient with medical implant by measuring not only accurate SAR deposited in the body, but also temperature elevation due to the deposited SAR during clinical MRI.
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