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This paper introduces a numerical assessment methodology of the EMI triggered by magnetic resonance wireless power transmission antennas and imposed on active implantable medical devices such as implantable-cardiac pacemakers and cardioverter defibrillators. A numerical estimation model that consists of magnetic resonant coils and a human torso phantom is constructed. Interference voltage induced at the connector of the pacemaker inside the human phantom is calculated. We consider, as an example, magnetic resonance WPT antennas operating the frequency band of 10 MHz, with air-gap of less than 0.5 m. Finally, the calculated interference voltage is compared with the EMI characteristics obtained by in-vitro EMI experiments.
Date of Conference: 17-21 Sept. 2012