A novel MR-compatible sensor to assess active medical device safety: stimulation monitoring, rectified radio frequency pulses, and gradient-induced voltage measurements

@article{Barbier2018ANM,
  title={A novel MR-compatible sensor to assess active medical device safety: stimulation monitoring, rectified radio frequency pulses, and gradient-induced voltage measurements},
  author={Th{\'e}r{\`e}se Barbier and Sarra Aissani and Nicolas Weber and Cedric Pasquier and Jacques Felblinger},
  journal={Magnetic Resonance Materials in Physics, Biology and Medicine},
  year={2018},
  pages={1-12}
}
To evaluate the function of an active implantable medical device (AIMD) during magnetic resonance imaging (MRI) scans. The induced voltages caused by the switching of magnetic field gradients and rectified radio frequency (RF) pulse were measured, along with the AIMD stimulations. An MRI-compatible voltage probe with a bandwidth of 0–40 kHz was designed. Measurements were carried out both on the bench with an overvoltage protection circuit commonly used for AIMD and with a pacemaker during MRI… CONTINUE READING
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