Respirator appliances

Details Respirator appliances Respirator appliances

1981-05-22

1983-08-30

Howell, Kyle L.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820425, 12820426, 12820513, 12820524, A61M 1500

Patent

active

044011156

ABSTRACT:
This invention relates to a respirator provided with a supply circuit and a utilization circuit, with a breathable gas accumulator, a distributor and a cyclic action control device.
The respirator comprises an auxiliary make-up circuit for providing a make-up or complement of breathable gas, a discharge circuit for the breathable gas and a ventilation corrector device sensing the pressure in the utilization circuit and acting on said make-up circuit and discharge circuit to provide a complement or withdrawal of breathable gas.
The invention is applicable for treatment of respiratory inadequacies performed in hospital or domestic environments.

REFERENCES:
patent: 3357428 (1967-12-01), Carlson
patent: 3952739 (1976-04-01), Cibulka
patent: 3974828 (1976-08-01), Bird
patent: 4020834 (1977-05-01), Bird
patent: 4206754 (1980-06-01), Cox et al.
patent: 4224940 (1980-09-01), Monnier
patent: 4340044 (1982-07-01), Levy et al.

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