Active implantable medical devices (AIMD) can restore body function in patients with neurological or other disorders which increases their quality of life considerably. In this work we measure RF-induced heating by MRI thermometry in combination with FOTP measurements and simulations and apply it to a 64-channel electrode grid. The combination of MR thermometry with high spatial resolution, FOTPs with high thermal resolution and supplementary simulations of electromagnetic and thermal processes shows how limitations of the individual methods are overcome and result in a more comprehensive understanding of the thermal dynamics resulting from the exposure of implants to RF-fields.
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