Patent ID: 11957838
Assignee: PRATT & WHITNEY CANADA CORP.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 7:
8. A method of ventilating an airway of a patient, said method comprising:
ventilating said airway of said patient in accordance with a series of respiration cycles, each respiration cycle including a delivery of a main volume of fresh respiratory gas into said airway, followed by an evacuation of a corresponding main volume of used respiratory gas; and
during a corresponding one of said respiration cycles, ventilating said airway of said patient in accordance with a series of subcycles, wherein each subcycle includes a delivery of an auxiliary volume of fresh respiratory gas into the airway, followed by an evacuation of a corresponding auxillary volume of used respiratory gas, the auxiliary volume being smaller than, and distinct from, the main volume.