Abstract #1577

Compact and Frequency-independent Dual-Tuned Cable Traps for Multi-Nuclear MRI and MRS

Ming Lu¹, Ruilin Wang¹, Shuyang Chai^2,3, and Xinqiang Yan^2,3,4

¹College of Nuclear Equipment and Nuclear Engineering, Yantai University, Yantai, China, ²Department of Electrical and Computer Engineering, Vanderbilt University, Nashville, TN, United States, ³Vanderbilt University Institute of Imaging Science, Vanderbilt University Medical Center, Nashville, TN, United States, ⁴Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Nashville, TN, United States

Synopsis

Keywords: RF Arrays & Systems, Parallel Imaging

Motivation: Dual-tuned cable traps, instead of two separate single-tuned ones in series, are preferred in multi-nuclear MRI and MRS.

Goal(s): We introduce a frequency-independent dual-tuned cable trap. For proton nuclear, standard solenoid cable trap was employed. For X-nuclear, an additional solenoid resonator was employed to block the common-mode signal.

Approach: The dual-tuned cable trap was analyzed in electromagnetic simulation, fabricated and its performance is evaluated by bench test.

Results: The dual-tuned trap exhibits exceptional common-mode current suppression abilities at both frequencies. And two frequencies of dual-tuned trap can be adjusted independently without mutual interference.

Impact: This novel dual-tuned cable trap fills an important gap in dual-tuned MRI hardware for multi-nuclear magnetic resonance studies, potentially enable next-generation dual-tuned coils.

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