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Method and apparatus for providing variable defibrillation waveforms using switch-mode amplification

  • US 6,208,896 B1
  • Filed: 11/13/1998
  • Issued: 03/27/2001
  • Est. Priority Date: 11/13/1998
  • Status: Expired due to Term
First Claim
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1. A defibrillation waveform generator for generating a defibrillator waveform using a defibrillation voltage from a voltage generator, the defibrillation waveform generator comprising:

  • a rapid-discharge energy storage device charged by the voltage generator so as to store a charge voltage, the rapid-discharge energy storage device tuned consistently with a chronaxie time of a human heart;

    a controller constructed and arranged to generate at least one control signal; and

    an amplifier, responsive to one or more of the control signals, constructed and arranged to selectively amplify the charge voltage so as to enable generation of a variable defibrillation waveform.

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