Surface electrode design that can be left in place during MR imaging
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United States of America Patent
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Aug 16, 2016
Grant Date -
Jun 6, 2013
app pub date -
Dec 6, 2011
filing date -
Dec 6, 2011
priority date (Note) -
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Abstract
For use in MR imaging of a patient a plurality of surface electrodes such as ECG or defibrillator are provided for obtaining electrical signals for determining electrical activity within the body of the patient and remain in place during the MR imaging. The surface electrodes include a quick disconnect wire for carrying the signals to a signal processing system to be removed during the MR imaging to prevent heating. Each electrode comprises a conductive layer divided by slits into separate side by side sections to reduce eddy currents which are induced in the surface electrodes when they are exposed to variations in the magnetic field. The sections all are connected through the layer to the conductive location to allow the signal therefrom to be connected to the communication conductor.
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