释义 |
DictionarySeemasknonrebreathing mask
non·re·breath·ing maska mask fitted with both an inhalation valve and an exhalation valve so that all exhaled gas is vented to the external atmosphere and inhaled gas comes only from a reservoir connected to the mask.nonrebreathing maskAn oxygen administration device with one-way valves for inspiration and expiration and a reservoir bag, used to attain high concentrations of oxygen.See also: masknon·re·breath·ing mask (nonrē-brēdhing mask) Mask fitted with both inhalation and exhalation valves so that all exhaled gas is vented to external atmosphere and inhaled gas comes only from a reservoir connected to the mask. |