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Hybrid microprocessor controlled ventilator unit

  • US 6,000,396 A
  • Filed: 08/17/1995
  • Issued: 12/14/1999
  • Est. Priority Date: 08/17/1995
  • Status: Expired due to Term
First Claim
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1. A method of operating a ventilator, comprising the steps of:

  • providing a ventilator having a control device, the control device, including means for inputting data;

    inputting, into the control device, data representing only the body length of a patient to be ventilated;

    calculating, in the control device, at least one ventilation parameter based upon the input data, wherein aid at least one ventilation parameter includes a rate of rise of inspiratory parameter;

    providing a first ventilated breath with a second rate of rise of inspiratory pressure;

    providing a second ventilated breath with a second rate of rise of inspiratory pressure;

    evaluating each of said ventilated breaths;

    selecting the rate of rise that provides a desired pressure waveform; and

    providing ventilation using said selected rate of rise.

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