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Abstract #1430

Robot Assisted Dynamic Ankle Joint Imaging with a Wearable 4-Channel High Impedance Coil at 1.5T MRI

Matthäus Poniatowski1, Ilan Elias2, Mirsad Mahmutovic1, Gurinder Multani1, Sam-Luca J.D. Hansen1, Markus W. May1, Alexander M. König3, Jens H. Figiel3, Andreas H. Mahnken3, and Boris Keil1
1Institute of Medical Physics and Radiation Protection, TH Mittelhessen University of Applied Sciences, Gießen, Germany, 2Motionrad GmbH, Berlin, Germany, 3Department of Diagnostic and Interventional Radiology, Philipps-University Marburg, Marburg, Germany

Limitations of conventional MRI include its lack of ability to observe controlled joint motion and biomechanics in real-time. Although clinically evident, many injuries, instabilities, and dysfunctions of the musculoskeletal system are frequently not depicted on conventional static MRI. To enable dynamic MRI for joints, an in-bore motion-assisted device and a wearable coil array was designed, constructed, and validated. The combination of robotic assisted joint motion, a tight-fitting coil array that does not restrict the joint's range of motion, and accelerated imaging enabled dynamic MRI of the ankle.

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