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System and apparatus for controlled activation of acute use medical devices

  • US 8,706,253 B2
  • Filed: 09/06/2011
  • Issued: 04/22/2014
  • Est. Priority Date: 08/18/2003
  • Status: Active Grant
First Claim
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1. An implantable medical device comprising:

  • a power source;

    a therapy unit;

    a switching circuit comprising a gate circuit, wherein the gate circuit is configured to gate power from the power source to the therapy unit, wherein the switching circuit is responsive to a pre-determined condition external to the implantable medical device that is indicative of an activation condition of the implantable medical device such that the gate circuit gates power to the therapy unit; and

    feedback circuitry configured to provide an input to the switching circuit indicative of one or more conditions for discontinuing the gating of power to the therapy unit, wherein the switching circuit is further configured to discontinue gating of power to the therapy unit based thereon.

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