Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1983-04-06
1985-01-22
Recla, Henry J.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820125, 12820227, 12820522, 12820711, A62B 700
Patent
active
044945388
ABSTRACT:
A mask assembly (10) adapted for use with a portable ventilator/resuscitator (30) and which is adapted to be either placed directly over a patient's face or to be connected to a gas mask (18) worn by the patient, the gas mask having an inlet and an exhalation valve (26). The mask assembly includes an oral nasal mask (12) which can be placed over the patient's nose and mouth, holding means (16) including a head harness (58) and adjustable straps (60) which are capable of holding the mask (12) over a patient's face, and tubing means (14) having one end (28) connected to the portable ventilator/resuscitator (30) and the other end provided with a connector tube which, when the mask is in an inverted shape, can be snap fit into an annular opening in the end wall (22) of a filter (20) of the gas mask (18). The mask assembly (10) is further provided with pressure compensating means (38) capable of blocking the exhalation valve (26) of the gas mask.
REFERENCES:
patent: 2383649 (1945-08-01), Heidbrink
patent: 3013556 (1961-12-01), Galleher, Jr.
patent: 3695264 (1972-10-01), Laeral
Figgie International Inc.
Recla Henry J.
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