oxygen mask(redirected from Emergency oxygen)
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A masklike device placed over the mouth and nose and through which oxygen is supplied from an attached storage tank.
a device used to administer oxygen, shaped to fit snugly over the mouth and nose and secured in place with a strap or held with the hand. The mask has inspiratory and expiratory valves allowing oxygen to be inhaled or pumped into the respiratory tract and carbon dioxide to be exhaled into the environment. Oxygen flows at a prescribed rate through a catheter to the mask. See also Ambu bag.
A device that fits over the mouth and nose and provides oxygen or other therapeutic gas. It includes a simple, partial rebreathing type and a nonrebreathing type.
See also: mask