Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1986-01-27
1988-05-31
Coven, Edward M.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820424, 12820425, 12820524, A61M 1600
Patent
active
047474033
ABSTRACT:
Respiration therapy is accomplished by generating pulses of inhalation gas for delivery to a patient. The inhalation gas pulses may be generated by entraining humidified low pressure gas with pulses of high pressure entrainment gas. The pulses of entrainment gas may be of variable frequency, duration and duty cycle and are produced by modulating the flow of a highly pressured gas with a solenoid operated valve.
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"Gas Washout and Pressure Waveform Characteristic of High-Frequency Oscillation", Perry et al., Critical Care Med., vol. 12, No. 9, Sept, 1984, pp. 721-727.
"High Frequency Jet Ventilation Technical Implicators" Miodownik et al., Critical Care Med., vol. 12, No. 9, Sept. 1984, pp. 718-720.
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Gluck Eric H.
McDonald Henry
Sabnis Jayant S.
Weinberg Bernard C.
Advanced Pulmonary Technologies, Inc.
Coven Edward M.
Reichle K. M.
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