oxygen mask

oxygen mask

n.

A masklike device that is placed over the mouth and nose and through which oxygen is supplied from an attached storage tank.

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oxygen mask,

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.

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mask,

n 1. something that conceals from view.
n 2. a protective covering, especially for the face.
v 3. to cover up.

mask, nonbreather,

n a plastic mask worn over the oral cavity and nose in order to deliver additional oxygen to a patient who is able to breathe on his or her own. See also mask, oxygen.

mask, oxygen,

n a device used during the delivery of oxygen that fits securely over the nose and oral cavity so that oxygen may be inhaled and carbon dioxide exhaled.

mask, rubber dam,

n See pad, rubber dam.

mask, Wanscher's,

n a mask for ether anesthesia.

mask, Yankauer's,

n an open type of mask for administering ether.