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1. A device that circulates fresh air and expels stale or foul air.
2. Medicine A machine that supplies oxygen or a mixture of oxygen and air, used in artificial respiration to control or assist breathing. Also called respirator.

ven′ti·la·to′ry (vĕn′tl-ə-tôr′ē) adj.
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Adj.1.ventilatory - provided with ventilation or involving pulmonary ventilation
References in periodicals archive ?
Gentile suggested that high frequency oscillatory ventilation (HFOV) was useful in respiratory and ventilatory failure in children with ACS.
If this issue is not corrected it is possible that the ventilator may fail to deliver mechanical breaths and that the alarm functionality may be reduced to indicate ventilatory failure, resulting in serious adverse health consequences or death.
Ventilatory failure, ventilator support and ventilator weaning.
Cases are grouped in sections on infection, obstructive lung diseases and small airways disease, interstitial lung disease/sarcoid, lung cancer, pulmonary vascular conditions, ventilatory failure, immuno compromised conditions and HIV, and pleural disease.