Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1990-05-14
1991-04-23
Lewis, Aaron J.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820513, A62B 700
Patent
active
050092260
ABSTRACT:
A resuscitator for conveying gas to a patient's lungs. The resuscitator includes a pump having a cavity and including movable structure movable between a first position and a second position for forcing gas from the cavity of the pump when moved from the first position to the second position and for drawing gas into the cavity of the pump when moved from the second position to the first position, the pump having an opening for allowing gas to be drawn into and forced out of the cavity thereof; a base member having a passageway for allowing gas to pass therethrough, the passageway having a first end and a second end; coupling structure for allowing gas to pass from the passageway of the base member to the patient's lungs, the coupling structure including a hollow tube for being connected to the second end of the passageway of the base member to allow gas to pass from the passageway of the base member therethrough; and seal structure for forming a gas-tight seal between the opening of the pump and the first end of the passageway of the base member when the movable structure of the pump is moved from the first position to the second position to allow gas to be forced from the cavity of the pump through the passageway of the base member and out the coupling structure.
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