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Digitally programmable cardiac synchronized high frequency jet ventilator control system

  • US 4,440,176 A
  • Filed: 08/09/1982
  • Issued: 04/03/1984
  • Est. Priority Date: 02/10/1981
  • Status: Expired due to Fees
First Claim
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1. A device for detecting the QRS component of an EKG signal comprising:

  • a delta modulator receiving the EKG signal and having a slope overload condition defined by the step size and sampling rate thereof such that it goes into the slope overload condition only in response to the QRS component of the EKG signal for detecting the same.

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