Development of a 7T 1H/2H dual-tuned transceiver separation active decoupler MRI probe
Journal of Physics: Conference Series(2023)
摘要
Abstract Based on the current deuterium metabolism imaging (DMI) technology analysis, a design scheme of a dual-core imaging coil suitable for a 7T MRI system is proposed. The size and structure of the shield layer are optimized. Based on the single-layer shield structure, a double-layer shield structure is proposed to improve the stability of the probe. A detuning circuit is added to the 2H transmitting and receiving coils so that they can work in time for better decoupling. According to the design scheme, the 1H/2H dual-core imaging coil was fabricated and applied to the 7T magnetic resonance system. We performed imaging experiments on D2O samples and quantitatively compared the correlation performance (SNR) of a 1H/2H dual-tuned RF coil with the same size deuterium transceiving-receiving integrated surface coil. The results verified that deuterium metabolism imaging using 1H/2H dual-tuned transmit-receiving separation MRI probe can effectively improve the signal-to-noise ratio of the target region.
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关键词
transceiver separation,mri,dual-tuned
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