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Method for self-test of defibrillation and pacing circuits including a patient isolation switch

  • US 7,096,062 B2
  • Filed: 05/07/2002
  • Issued: 08/22/2006
  • Est. Priority Date: 03/11/2002
  • Status: Expired due to Term
First Claim
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1. A method for verifying the integrity of circuitry, including pacing circuitry, in a defibrillator, the defibrillator having an energy storage capacitor and an output circuit with a plurality of switches for coupling the energy storage capacitor to a load, the method comprising verifying the integrity of the pacing circuitry by the steps of:

  • providing one or more control signals for making one or more of the switches of the output circuit conducting while one or more control signals for the pacing circuitry are not set to the conducting state;

    measuring a selected energy parameter; and

    if the selected energy parameter changes by more than a predetermined threshold amount, providing an error indication.

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