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Abstract #2942

Interactive Real Time Inductively Coupled Catheter Coil Tracking Using a Transmit Array System

Ugur Yilmaz1, 2, Li Pan3, Ergin Atalar1, 2

1Electrical and Electronics Engineering, Bilkent University, Ankara, Turkey; 2UMRAM, Bilkent University, Ankara, Turkey; 3Siemens Corporate Research, Center for Applied Medical Imaging, Baltimore, MD, United States

Inductively coupled catheter coils are advantageous for interventional procedures, since they require no connection to MR scanners, which reduces the difficulties such as device-handling and RF safety problems faced with active catheters. In our study, we developed and implemented one way of interactive real-time inductively coupled catheter coil tracking, using two transmit channels; from an external computer on which our interactive real-time software is installed. The software enables user to change the RF attributes of transmit channels in real-time so that the B1 polarization can be altered accordingly which affects the visualization of inductively coupled catheter.

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Keywords

achieved acquisition active adaptive address among amplitude anatomic applied array attributes better bind boxes cable called catheter catheters chains changing channel channels check checking client code coil coils commands compatible components computer connected connection connections control controls copper coronal corporate coupled creates decomposed designed desired developed device devices diameter difficult difficulties done easier either electrical embedded enable enables excited external fast features field forward frequency furthermore hand implemented important impose includes induced inductively inside instructions interactive introduced length linear linearly magnet mode modes moreover networking nevertheless parallel part phantom platform polarization polarized ports problem problems procedures projection pulse quick radiation radio real received reduce request require respectively reverse running scale scanner scanners scheme selected send sends server setting since sliders socket soft software specifically spins strength strong sulfate supplying sweep switch switching synchronized system task thanks theory tool track tracking transmit tube tuned turkey uncouple uncoupled uncoupling upon user vicinity visualization