Ultra-Flexible Electro-Textile 4-Channel MRI RF Coil Array for Neck MRI
Daisong Zhang1, Le Zhang2, Ashley Prosper2, Holden H. Wu2, and Yahya Rahmat-Samii1
1Electrical and Computer Engineering, University of California, Los Angeles, Los Angeles, CA, United States, 2Radiological Sciences, University of California, Los Angeles, Los Angeles, CA, United States
Current surface coils used for neck MRI are either uncomfortable for patients to wear or suffer from low Signal-to-Noise Ratio (SNR). Electro-textile conductive material was utilized in this work to design a new ultra-flexible 4-channel receive-only RF coil array for neck MRI. The flexibility of the material is similar to normal clothes thus leading to considerable ergonomic benefit. The SNR at 0.5 cm and 3 cm are 27 and 5.5 times higher than a conventional surface array coil, respectively. Cadaver images acquired using the new ultra-flexible coil had good depiction of anatomical features such as vertebral arteries and sternocleidomastoid muscles.
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