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Abstract #4181

Simple transmission antenna resonance Q value measurement method using RF power monitors

Hideta Habara1, Yoshiaki Sato1, Masaharu Ono1, Kenta Sakuragi1, Masahiro Takizawa1, and Kosuke Ito1

1Hitachi, Ltd. Healthcare Business Unit, Tokyo, Japan

In MRI system it is important that whole body SAR is controlled accurately to obtain good scanning images and to keep patients' safety. A simple transmission antenna resonance Q value measurement system has been developed using conventional RF power monitors. The system has been validated comparing with the network analyzer measurements. Based on this validation, whole-body SAR management system was integrated. Using the integrated system, accurate whole-body SAR management has been made possible.

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