RF Exposure Assessment for Various Poses of Patient Assistant in Open MRI Environment

In this study, the radio-frequency (RF) energy exposure of patient assistants was assessed for an open magnetic resonance imaging (MRI) system based on numerical computations head and body RF coil. Various poses were defined to see how poorly they affected exposure. For assessments, peak spatial-averaged specific absorption rate (SAR) levels carefully compared with each assistant pose finite-difference time domain calculations coil models when placed in such coils a 0.3 Tesla MRI system. Overall, SAR much lower than those patient. However, significantly increased observed under conditions, including larger loop size assistants’ arms closer distance coils. A comparably high level patient’s also found. More careful investigations are needed prevent increase systems at higher field strengths.