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What Is an Anesthesia Mask and How Does It Work?
Sep 15 , 2026
The question of what is an anesthesia mask has a direct answer: it is a rubber or silicone device that covers both the mouth and nose. Its purpose is to deliver oxygen and anesthetic gases to the patient. The mask forms a tight seal against the face. This seal creates a controlled breathing circuit that connects the mask to an anesthetic vaporizer and reservoir bag. The care team monitors the pati...