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Rechargeable-battery implantable medical device having a primary battery active during a rechargeable-battery undervoltage condition

  • US 9,345,883 B2
  • Filed: 01/19/2015
  • Issued: 05/24/2016
  • Est. Priority Date: 02/14/2014
  • Status: Active Grant
First Claim
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1. An implantable medical device, comprising:

  • a rechargeable battery for providing a rechargeable battery voltage;

    a primary battery for providing a primary battery voltage;

    a first load powered only by the rechargeable battery voltage;

    a second load powered by a power supply voltage; and

    a power supply selector configured to set the power supply voltage to the rechargeable battery voltage or the primary battery voltage in accordance with at least the rechargeable battery voltage.

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