Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1992-06-01
1994-06-28
Burr, Edgar S.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820421, 12820513, A61M 1600
Patent
active
053237722
ABSTRACT:
In a respirator having an inspiration gas flow controlled by the expiration gas flow, in order to avoid triggering difficulties, particularly in the neonatal respiration therapy, the respirator is controlled such that a continuous gas flow flows through the inspiration and expiration lines. The gas flow is measured in the inspiration line by a gas flow sensor. The measured signal from the gas flow sensor is used to control a valve in the inspiration line, or a common line connected to the inspiration and expiration lines so that a constant gas flow is maintained in the expiration line.
REFERENCES:
patent: 3741208 (1973-06-01), Jonsson
patent: 3840006 (1974-10-01), Buck
patent: 4323064 (1982-04-01), Hoenig
patent: 4340044 (1982-07-01), Levy
patent: 4345612 (1982-08-01), Koni
patent: 4380233 (1983-04-01), Caillot
patent: 4838257 (1989-06-01), Hatch
"Microelectronic Circuits", Adel Sedra et al., Holt Rinehart & Winston, 1982 pp. 155-157; 522-523.
Siemens Servo Ventilator 900 C Training Instructions.
Siemens Servo Ventilator 900 C Key to Training Instructions.
Linden Dan
Olsson Sven-Gunnar
Burr Edgar S.
Raciti Eric P.
Siemens Aktiengesellschaft
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