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Implantable medical device with recharge coil

  • US 10,639,486 B2
  • Filed: 11/14/2017
  • Issued: 05/05/2020
  • Est. Priority Date: 11/21/2016
  • Status: Active Grant
First Claim
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1. An implantable medical device (IMD) configured to be implanted within a patient, the IMD comprising:

  • a housing configured for trans-catheter deployment, the housing having a housing exterior;

    a plurality of electrodes exposed external to the housing;

    therapeutic circuitry disposed within the housing, the therapeutic circuitry operatively coupled to the plurality of electrodes and configured to sense one or more signals via one or more of the plurality of electrodes and/or to stimulate tissue via one or more of the plurality of electrodes;

    a rechargeable power source disposed within the housing and configured to power the therapeutic circuitry;

    a plurality of receiving coils configured to receive non-radiative near-field energy through the patient'"'"'s body, wherein each of the plurality of receiving coils has a primary capture axis along which a maximum amount of non-radiative near-field energy is captured, and wherein at least one of the plurality of receiving coils has a primary capture axis that is non-parallel with the primary capture axis of another one of the plurality of receiving coils, and wherein each of the plurality of receiving coils have an attached end that is secured to the housing exterior and an unattached end that is able to pivot away from and/or towards the housing exterior; and

    charging circuitry operatively coupled with the plurality of receiving coils and the rechargeable power source, the charging circuitry configured to use the non-radiative near-field energy received via the plurality of receiving coils to charge the rechargeable power source.

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