Constant positive pressure breathing apparatus

Details Constant positive pressure breathing apparatus Constant positive pressure breathing apparatus

1978-09-25

1981-04-14

Recla, Henry J.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

A61M 1600

Patent

active

042613558

ABSTRACT:
An anesthetist's device for inducing constant positive pressure within the airway passages of a patient, adaptable for use with a mouthpiece, a mask, or in conjunction with an endotracheal tube. Said device comprises a hollow, cylindrical channel serving as a conduit for gases either spontaneously or mechanically aspired by a patient. Interposed into said channel is a narrow diameter nozzle venting compressed gas in the direction of inspired flow. By regulating the mass flow rate of compressed gas through said nozzle, variable levels of constant positive airway pressure can be produced.

REFERENCES:
patent: 2280050 (1942-04-01), Alexander et al.
patent: 3128994 (1964-04-01), Hungate
patent: 3485243 (1969-12-01), Bird et al.
patent: 3565068 (1971-02-01), Bickford
patent: 3628532 (1971-12-01), Magrath
patent: 3714944 (1973-02-01), Price et al.
patent: 3842828 (1974-10-01), Bird
patent: 3850197 (1974-11-01), Ernst
patent: 3881479 (1975-05-01), Carden
patent: 3991762 (1976-11-01), Radford
patent: 4030492 (1977-06-01), Simbruner

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