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Abstract #3583

First steps towards concurrent, high rate imaging and MR tracking using an inertial measurement unit (IMU)

Robert Darrow1, Mauricio Castillo-Effen1, Eric Fiveland1, Elizabeth Morris2, and Ileana Hancu1

1GE Global Research Center, Niskayuna, NY, United States, 2Memorial Sloan Kettering Cancer Center, New York City, NY, United States

Tissue motion during MR guided interventional procedures leads to the desire to perform simultaneous high speed tracking of the surgical instrument and imaging. In this work, a novel approach for concurrent tracking and imaging, based on an inertial measurement unit (IMU) and technology from plane/missile tracking, is presented. While using infrequent position updates for the IMU (that could be provided by MR tracking), we have showed fast tracking (166Hz) of the IMU sensor with ~2mm rms error.

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