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Determination of stimulation output capabilities throughout power source voltage range

  • US 7,818,060 B2
  • Filed: 01/29/2009
  • Issued: 10/19/2010
  • Est. Priority Date: 10/31/2008
  • Status: Active Grant
First Claim
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1. A method comprising:

  • determining a length of time a charge pump charged at a present voltage level of a power source to reach a level of charge on the charge pump sufficient to provide a stimulation output according to a stimulation program;

    determining a total time interval available for the charge pump to charge during delivery of stimulation according to the stimulation program; and

    determining whether a medical device will be able to deliver stimulation according to the program at a voltage level of the power source that is lower than the present voltage level of the power source based on the length of time the charge pump charged at the present voltage level of the power source and the total time interval available for the charge pump to charge.

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