Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1980-09-12
1983-02-22
Recla, Henry J.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820426, 12820524, 137102, 137489, 137113, A61M 1600
Patent
active
043745210
ABSTRACT:
An improved overall arrangement is provided for resuscitators of the class adapted for administering substantially pure oxygen from a pressurized source thereof, and especially those of the kind functionally employing a demand responsive type oxygen supply valve in conjunction with a manually compressible squeeze bag. The demand type supply valve is mounted on and communicates with the end of the squeeze bag opposite from the end thereof on which the patient non-rebreathing valve (and the face mask associated with the latter) is mounted and communicates with the bag. In addtion to the operational and constructional advantages of the improved organization of the overall resuscitator apparatus, the construction and operation of various components thereof, including the demand type supply valve and the non-rebreathing valve, are individually improved in manner both contributing to better performance of the overall resuscitator apparatus and representing novel valving devices having potential utility even in other applications.
REFERENCES:
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patent: 3262446 (1966-07-01), Stoner
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patent: 3795257 (1974-03-01), Fabish et al.
patent: 4054133 (1977-10-01), Myers
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patent: 4127129 (1978-11-01), Cramer
patent: 4239038 (1980-12-01), Holmes
Nelson Thomas W.
Roehl Dennis L.
Puritan-Bennett Corporation
Recla Henry J.
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