Definition of Mask, oxygen
Mask, oxygen: A mask that covers the mouth and nose, and is hooked up to an oxygen tank. It delivers oxygen directly to the patient. Oxygen can also be delivered directly through a nasal catheter, a tube that divides into two smaller tubes that go into the nostrils.
Last Editorial Review: 9/20/2012
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?