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Implantable pulse generator systems and methods for providing functional and/or therapeutic stimulation of muscles and/or nerves and/or central nervous system tissue

  • US 9,308,382 B2
  • Filed: 09/07/2006
  • Issued: 04/12/2016
  • Est. Priority Date: 06/10/2004
  • Status: Active Grant
First Claim
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1. A system comprising:

  • an implantable electrical stimulation generator comprising;

    a housing,first circuitry carried within the housing and configured for wireless telemetry using at least one of UHF signals and VHF signals,an antenna coupled to the first circuitry and configured to at least one of receive or transmit the at least one of UHF signals and VHF signals of the wireless telemetry,a rechargeable battery carried within the housing, anda power receiving coil carried within the housing, the power receiving coil configured to transcutaneously receive an externally generated radio frequency magnetic field to recharge the rechargeable battery;

    an external controller including second circuitry; and

    a charging coil coupled to the second circuitry for generating the radio frequency magnetic field to transcutaneously recharge the rechargeable battery via the second circuitry of the external programmer,wherein the second circuitry of the external controller is configured to communicate with the antenna and first circuitry of the implantable electrical stimulation generator via wireless telemetry using at least one of the UHF signals and the VHF signals,wherein, during a battery recharge period, and using the wireless telemetry, the implantable electrical signal generator is configured to transmit status information to the external controller to allow the external controller to at least one of automatically adjust the magnitude of the radio frequency magnetic field or generate an instruction to a user to reposition the charging coil, andwherein the adjustment of the magnitude of the radio frequency magnetic field comprises an adjustment of up to about 300 percent of the initial magnitude.

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