Multi-mode demand valve

Details Multi-mode demand valve Multi-mode demand valve

F - Mech Eng,Light,Heat,Weapons

16

K

137/43.2

F16K 31/126 (2006.01) A61M 16/20 (2006.01)

Patent

CA 1220115

ABSTRACT OF THE DISCLOSURE A multi-function valve for administration of gases having a valve chamber with an administration open- ing for delivery of gases to a patient, a pressured gas inlet, an inlet valve with an arm extending into the interior of the chamber, a resuscitation gas inlet opening into such chamber, a diaphragm dividing the chamber into two halves with the resucitation inlet on one side and the administration opening, and the pressured gas inlet, on the opposite side, the diaphragm being movable into and out of contact with the arm, an opening in the diaphragm for gas flow from one side of the chamber to the other, and, exhalation openings in the chamber communiocating with the exterior thereof adapted to be normally closed by the diaphragm.

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