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Implant heat protection

  • US 10,265,533 B2
  • Filed: 03/22/2017
  • Issued: 04/23/2019
  • Est. Priority Date: 03/22/2017
  • Status: Active Grant
First Claim
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1. An implantable medical device, comprising:

  • a resonant tank circuit including an implantable coil coupled to an external coil of an external charging device via an inductive link so as to receive power from the external charging device via the inductive link;

    a rechargeable battery electrically connected to the resonant tank circuit so as to be charged using the power received from the external charging device; and

    a controller configured to;

    determine when charging of the rechargeable battery should be terminated, anddetune and retune the resonant tank circuit using a predetermined sequential pattern to signal to the external charging device that charging of the rechargeable battery should be terminated.

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