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Simplified defibrillator output circuit

  • US 20060009807A1
  • Filed: 09/12/2005
  • Published: 01/12/2006
  • Est. Priority Date: 11/05/2001
  • Status: Active Grant
First Claim
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1. An implantable cardiac stimulus device including circuitry for delivering cardiac stimulus to a patient, the circuitry for delivering cardiac stimulus having a high side for delivering current to a patient and a low side for receiving current from a patient, the circuitry for delivering cardiac stimulus comprising:

  • a first high side switching device having a control terminal adapted to receive a control current, said control current causing closing of a signal path through said switching device; and

    a first capacitor coupled to said control terminal and adapted to receive a control voltage selected to create said control current;

    wherein said first high side switching device comprises a first silicon controlled rectifier.

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