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External defibrillator with automatic self-testing prior to use

DC CAFC
  • US 5,879,374 A
  • Filed: 05/10/1994
  • Issued: 03/09/1999
  • Est. Priority Date: 05/18/1993
  • Status: Expired due to Term
First Claim
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1. An external defibrillator comprising:

  • a high voltage delivery system comprising an energy source, an electrode interface and a switch connecting the energy source to the electrode interface;

    a controller operably connected to the high voltage delivery system; and

    a self-test system comprising a defibrillator status indicator, a test signal generator, and means for operating the defibrillator status indicator and the test signal generator prior to any attempted use of the defibrillator.

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