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Abstract #1499

Prototype investigation for a size adaptable RF receiver coil capable of various body parts and sizes

Kohjiro Iwasawa1, Yosuke Otake1, Hideta Habara2, Kazuyuki Kato2, and Hisaaki Ochi1

1Research & Development Group, Hitachi Ltd., Tokyo, Japan, 2Healthcare Business Unit, Hitachi Ltd., Tokyo, Japan

A size-adaptable RF receiver coil prototype which can displace inter-element distance with negligible SNR degradation was investigated. We applied a simple method to enhance blocking impedance of the preamp decoupling circuit by using intentionally small matching capacitance. SNR of the size-adaptable prototype was evaluated for phantoms of 5 sizes ranging from knee size to abdomen size against commercial coils dedicated for each body parts. Despite of its broad size adaptability across various body parts and sizes, the prototype showed higher SNR than each commercial coil.

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