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Method and apparatus for providing ventilatory support to a patient

  • US 6,457,472 B1
  • Filed: 12/11/1997
  • Issued: 10/01/2002
  • Est. Priority Date: 12/12/1996
  • Status: Expired due to Term
First Claim
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1. A method of providing interactive ventilatory support to a patient based on the physiological requirements of the patient, the method comprising:

  • initially determining a degree of obstruction in an upper airway of the patient; and

    subsequently delivering a controlled rate of flow of breathing gas directly to the trachea of the patient below the location of potential obstruction based on the gas pressure measured directly in the trachea of the patient and the determined degree of obstruction in the upper airway of the patient in order to facilitate exhalation through the upper airway of the patient.

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