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Abstract #4040

Evaluation of signal-to-noise ratio of a size-adaptable 16-channel head array

Kohjiro Iwasawa1, Yosuke Otake2, Kazuyuki Kato2, Hideta Habara2, Masayoshi Dohata2, Hisaaki Ochi1, and Toru Shirai1
1Research & Development Group, Hitachi, Ltd., Tokyo, Japan, 2Healthcare Business Unit, Hitachi, Ltd., Tokyo, Japan

In order to increase both coil setting efficiency and coil sensitivity, a size-adaptable tight-fit 16ch head array which enables one-action-fixation was investigated at 3 T. The anterior part of the head array is a flexible coil, and can fit to the patient when the fixation belt is tightened. SNR increased by 1.2-1.4 times across 1-99 percentile adult head sized phantoms against a conventional 15ch rigid head coil. SNR improvement could also be seen in vivo with a healthy volunteer.

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