Abstract #0750

Flexible receive-only coaxial coils with multiple turns and gaps for 3 T MRI

Lena Nohava^1,2, Raphaela Czerny², Michael Obermann^1,2, Jacques Felblinger³, Roberta Frass-Kriegl², Jean-Christophe Ginefri¹, and Elmar Laistler²

¹IR4M (Imagerie par Résonance Magnétique et Multi-Modalités), UMR8081, Université Paris-Sud/CNRS, Université Paris-Saclay, Orsay, France, ²Division MR Physics, Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria, ³Université de Lorraine, Inserm, IADI, Nancy, France

A bench and 3 T MRI study of flexible multi-turn multi-gap coaxial coils and standard copper wire coils with 4, 7, 10 and 15 cm loop diameter is presented. The coaxial coils are made of four different cable types and can be employed for different biomedical applications where form-fitting the coil to the subject anatomy is advantageous. We evaluate the receive-only coaxial coils’ active detuning performance, their robustness upon bending and demonstrate a significant SNR gain when using bent coaxial coils instead of flat standard coils.

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