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Venturi mask



The venturi mask is a medical device to deliver a known oxygen concentration to patients on controlled oxygen therapy. The colour of the device reflects the delivered oxygen concentration: 24%: blue; 28%: white; 31%: orange; 35%: yellow; 40%: red; 60%: green.

Mechanism

The mechanism of action depends on the venturi effect.

 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Venturi_mask". A list of authors is available in Wikipedia.
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