demand oxygen delivery device

Also found in: Dictionary.
Related to demand oxygen delivery device: pressure demand oxygen system

de·mand ox·y·gen de·li·ver·y de·vice

(dĕ-mand' ok'si-jĕn dĕ-liv'ĕr-ē dĕ-vīs')
Apparatus that conserves oxygen by sensing the initiation of an inspiratory effort and then delivering oxygen only during that phase. Usually attached to a nasal cannula.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012