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Implantable medical device with a dual power source

  • US 7,657,315 B2
  • Filed: 01/11/2007
  • Issued: 02/02/2010
  • Est. Priority Date: 05/30/2001
  • Status: Expired due to Fees
First Claim
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1. A method for incorporating a power source in an implantable medical device, comprising the steps of:

  • independently providing power to a control circuit by a first power source positioned within the device, the control circuit obtaining physiological data of a patient in which at least the control circuit is implanted;

    independently providing power to a communication circuit by a second power source positioned within the device; and

    sensing a remaining power level of the second power source, the first power source, or both first and second power sources to determine if the remaining power level of either the first or second power source has fallen below a predetermined threshold; and

    providing power to the control circuit and the communication circuit by a) the first power source if the remaining power level of the second power source has fallen below a predetermined threshold or b) the second power source if the remaining power level of the first rower source has fallen below a predetermined threshold.

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