System and method for charging a power cell in an implantable medical device
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United States of America Patent
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Mar 19, 2013
Grant Date -
Nov 1, 2012
app pub date -
Apr 29, 2011
filing date -
Apr 29, 2011
priority date (Note) -
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Abstract
Apparatus and methods for charging a power cell in an implantable medical device (“IMD”) are disclosed herein. In one embodiment, a method includes providing an electrical pulse to an inductor external to the IMD. A frequency of an oscillation signal induced in the inductor by the current pulse is measured. The inductor is driven with an oscillating signal having a frequency based on the measured frequency of the oscillation signal. The power cell is charged using current induced in the IMD by the driving of the inductor.
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