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System and method of generating a low-pain multi-step defibrillation waveform for use in an implantable cardioverter/defibrillator (ICD)

  • US 6,772,007 B1
  • Filed: 09/28/2001
  • Issued: 08/03/2004
  • Est. Priority Date: 05/14/1997
  • Status: Expired due to Fees
First Claim
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1. In a defibrillator, a shocking circuit comprising:

  • a set of capacitors;

    a resistive-capacitive (RC) filter; and

    low pain switching circuitry connected to the capacitors and operative to selectively discharge the capacitors through the RC filter to generate a first phase of a defibrillation pulse waveform wherein the first phase includes multiple steps each having rounded initial voltage peaks.

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