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Implantable electrostimulator for improving blood flow

  • US 9,782,589 B2
  • Filed: 06/10/2015
  • Issued: 10/10/2017
  • Est. Priority Date: 06/10/2015
  • Status: Active Grant
First Claim
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1. Apparatus, comprising:

  • an electrostimulator-implant, percutaneously advanceable into tissue of a limb of a subject, and comprising;

    a temperature sensor, configured to detect a temperature of the tissue;

    an electrode disposed at an outer surface of the implant;

    an antenna, configured to wirelessly receive power; and

    circuitry, powered by the received power, and configured to drive the electrode to apply a bloodflow-increasing current to the tissue at least in part responsively to the detected temperature; and

    an extracorporeal device, attachable to the limb, and configured to wirelessly transmit the power received by the antenna,wherein;

    the extracorporeal device is configured to alternate between a first mode and a second mode,in the first mode, the extracorporeal device is configured to wirelessly drive the circuitry to drive the electrode to apply the bloodflow-increasing current at a frequency of 1-100 Hz, andin the second mode, the extracorporeal device is configured to wirelessly drive the circuitry to apply a second electrical current having a frequency of 1-10 kHz.

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