Device for ventilating a patient

Details Device for ventilating a patient Device for ventilating a patient

1974-11-13

1976-11-23

Michell, Robert W.

Surgery

Truss

Pad

1281457, A61M 1600

Patent

active

039930599

ABSTRACT:
A device for ventilating a patient by means of a lung ventilator which comprises a gas source and a controlled valve arrangement for intermittent feeding of breathing gas from the gas source. A connecting piece is mounted on an endotracheal tube or a tracheal cannula inserted into the trachea of the patient. Said piece comprises a substantially straight main tube and a branch tube and the junction between these tubes is so designed that it has a pneumatic valve function, whereby essentially the entire quantity of the breathing gas supplied from the lung ventilator to the branch tube is conducted towards said one end of the main tube, whereas gas flow, uneffected by breathing gas that may be blown into the branch tube, is allowed in both directions through the main tube past the orifice of the branch tube into the main tube.

REFERENCES:
patent: 2121311 (1938-06-01), Anderson et al.
patent: 2834339 (1958-05-01), Bennett et al.
patent: 3006337 (1961-10-01), Aguado
patent: 3039469 (1962-06-01), Fountain
patent: 3073298 (1963-01-01), Stanton
patent: 3262446 (1966-07-01), Stoner
patent: 3474785 (1969-10-01), Jansson
patent: 3605751 (1971-09-01), Gulling
patent: 3643686 (1972-02-01), Koegel
patent: 3731691 (1973-05-01), Chen

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