Abstract #2217

Visualization and Localization of Implanted Devices with Parallel Transmit Array Using Reversed RF Polarization

Parnian Zarghamravanbakhsh¹, John M Pauly¹, and Greig Scott¹

¹Electrical Engineering, Stanford University, Stanford, CA, United States

The radiofrequency (RF) transmit field can induce current in implanted devices; therefore, it is essential to detect and minimize coupling to stimulator leads and guide-wire structures. Reverse polarization has been proposed as low-RF-power method to safely detect current in the implanted devices using birdcage coil. The purpose of this study is to demonstrate feasibility of combining knowledge of coil current and location with reverse polarization method using parallel transmit array to detect and localize implanted wires.

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