Device for non-invasively measuring glucose
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United States of America Patent
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Aug 7, 2012
Grant Date -
Oct 27, 2011
app pub date -
Apr 20, 2011
filing date -
Apr 27, 2010
priority date (Note) -
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Abstract
In order to increase the accuracy of non-invasive glucose measurement, the device uses a combination of three non-invasive methods: ultrasonic, electromagnetic and thermal. The non-invasive glucose monitor comprises a Main Unit, which drives three different sensor channels (one per technology), located on an external unit configured as an ear clip attached to the subject's ear lobe. To effect the ultrasonic channel, ultrasonic piezo elements are positioned on opposing portions of the ear clip and thus opposite sides of the ear lobe. For implementation of the electromagnetic channel, capacitor plates are positioned on opposing portions of the ear clip and the ear lobe serves as the dielectric. The thermal channel includes a heater and a sensor positioned on the ear clip in close juxtaposition to the ear lobe.
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