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Abstract #4579

In Utero Mouse Embryo Imaging Using Inductive Over-Coupling Clip Coil

Orlando Aristizabal1, Dung Hoang2, Choong Heon Lee2, Zakia B.Y. Gironda2, Jiangyang Zhang2, Daniel H Turnbull3, and Youssef ZaimWadghiri Wadghiri2

1Skirball Institute, NYU School of Medicine, New York, NY, United States, 2Radiology, NYU School of Medicine, New York, NY, United States, 3Skirball Institute,Radiology, NYU School of Medicine, New York, NY, United States

In-utero fetal imaging is prone to respiratory and cardiac artifacts from the mother. These motion artifacts can be reduced via gated- or self-gated navigator acquisitions. For random fetal movements, each subject must be immobilized within the RF coil or require rapid acquisition and serial co-registration involving complex off-line image processing and high performance hardware that may not be available. We propose the use of 3D printed cylindrically shaped clip to effectively immobilize embryos incorporating a resonator mutually coupled with a surface resonator while ensuring an optimized filling factor. Our setup results in increased sensitivity demonstrated via high quality volumetric datasets.

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