Motivation: Conventional MRI arrays deliver higher image quality; however, they are complex and costly. Inductive-coupled wireless coils are ultra-light and flexible but offer lower SNR and lack parallel imaging support. Goal(s): Develop a hybrid concept combining wired and wireless MRI coils for high SNR, enabling parallel imaging, and enhancing flexibility. Approach: Combine conventional array coils with wireless MRI resonators, using the array coil to receive the MRI signal. Results: SNR with up to 17-fold and 4-fold improvements in finger and wrist resonators combined with a head array, and artifact-free parallel imaging was achieved across all major platforms and field strengths. Impact: The approach of combining wireless resonators with a conventional array significantly simplifies MRI coil design, improves image SNR, reduces costs, and ensures compatibility for parallel imaging across all major platforms and field strengths.
Zhu et al. (Tue,) studied this question.
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