Abstract #1030

A 72-Channel Head Coil with an Integrated 16-Channel Field Camera for the Connectome 2.0 Scanner

Mirsad Mahmutovic¹, Manisha Shrestha¹, Gabriel Ramos-Llordén², Alina Scholz¹, John E. Kirsch², Lawrence L. Wald², Harald E. Möller³, Choukri Mekkaoui², Susie Y. Huang², and Boris Keil^1,4

¹Institute of Medical Physics and Radiation Protection, Mittelhessen University of Applied Sciences, Giessen, Germany, ²Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA, United States, ³Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany, ⁴Department of Diagnostic and Interventional Radiology, University Hospital Marburg, Philipps University of Marburg, Marburg, Germany

Synopsis

Keywords: RF Arrays & Systems, RF Arrays & Systems

Motivation: Diffusion MRI utilizing ultra-high performance gradients for high b-value in vivo brain images still suffers from low SNR and increased eddy currents artifacts.

Goal(s): To construct a high-density coil array with an integrated field monitoring system. To enhance SNR and parallel image encoding, while capturing 3^rd-order field dynamics.

Approach: Utilizing simulations, 3D printing technology, and radiofrequency electronics to construct a 72-channel head coil and incorporate a field monitoring system. Optimization of the combined system to operate jointly in a space-constraint MRI gradient coil environment.

Results: High-resolution, high b-value diffusion in vivo imaging with greatly minimized image artefacts.

Impact: The constructed 72-channel head coil along with the new Connectome 2.0 scanner will enable the investigation of new microstructure features and connectivity in the living human brain.

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