Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1982-06-01
1984-06-05
Coven, Edward M.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820519, 12820513, 12820328, A62B 704
Patent
active
044522410
ABSTRACT:
Apparatus for resuscitating a plurality of patients comprising four face mask assemblies each of which is operable to be operatively connected with a patient so as to permit fresh air to be supplied to the lungs of such patient and four bellows assemblies actuated by a cam track rotated either by a suitable clutched electric motor or by hand crank for delivering successive volumes of fresh air under pressure to each face mask assembly at a desired cyclical frequency wherein each cycle includes said fresh air delivery as a minor part thereof. Each face mask assembly has operatively associated therewith (1) a stale air exhaust valve assembly for permitting air expelled from the lungs of each patient during the remaining major part of each cycle associated therewith to be exhausted to atmosphere, (2) a medicament injector for selectively supplying a respiratory medicament dosage into the fresh air delivered to each face mask assembly, and (3) a pressure gauge for indicating the operative pressure adjacent the face mask assembly so as to enable the operator to readily determine a bronchoconstrictive condition of a patient operatively connected with the associated face mask assembly so that the associated selective medicament injector is selected to deliver medicament only during the minor cycle part when the fresh air is delivered.
REFERENCES:
patent: 2969789 (1961-01-01), Mosch
patent: 3721239 (1973-03-01), Myers
patent: 3818806 (1974-06-01), Fumagalli
patent: 3995626 (1976-12-01), Pearce
patent: 4186737 (1980-02-01), Valenta et al.
patent: 4193406 (1980-03-01), Jinotti
Lopez Claudio
Malooley Rudolph S.
Sarnoff Stanley J.
Tarello William R.
Coven Edward M.
Survival Technology Inc.
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