Screen-printed flexible MRI receive coils

Joseph R. Corea, Anita M. Flynn, Balthazar Lechêne, Greig Scott, Galen D. Reed, Peter J. Shin, Michael Lustig () and Ana C. Arias ()
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Joseph R. Corea: University of California
Anita M. Flynn: University of California
Balthazar Lechêne: University of California
Greig Scott: Stanford University
Galen D. Reed: University of California
Peter J. Shin: University of California
Michael Lustig: University of California
Ana C. Arias: University of California

Nature Communications, 2016, vol. 7, issue 1, 1-7

Abstract: Abstract Magnetic resonance imaging is an inherently signal-to-noise-starved technique that limits the spatial resolution, diagnostic image quality and results in typically long acquisition times that are prone to motion artefacts. This limitation is exacerbated when receive coils have poor fit due to lack of flexibility or need for padding for patient comfort. Here, we report a new approach that uses printing for fabricating receive coils. Our approach enables highly flexible, extremely lightweight conforming devices. We show that these devices exhibit similar to higher signal-to-noise ratio than conventional ones, in clinical scenarios when coils could be displaced more than 18 mm away from the body. In addition, we provide detailed material properties and components performance analysis. Prototype arrays are incorporated within infant blankets for in vivo studies. This work presents the first fully functional, printed coils for 1.5- and 3-T clinical scanners.

Date: 2016
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DOI: 10.1038/ncomms10839

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