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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 ?
It contributes to risk of chronic conditions such as cancer, hypertension, cardiovascular diseases, diabetics, obstructive sleep apnea, ventilatory failure, renal failure and asthma.
Patients who had contraindications for noninvasive mechanical ventilatory application, such as cardiac arrest or dysrhythmias, hemodynamic instability (systolic blood pressure <90 mm Hg), immediate endotracheal intubation necessity, apnea, upper airway obstruction, decreased level of consciousness (moderately severe to severe), upper gastrointestinal bleeding, facial trauma, and vomiting and those who had noninvasive mechanical ventilatory failure were immediately intubated.
The 59-year-old died suddenly on February 14 after being in hospital for four days with what doctors described as "chronic obstructive pulmonary disease and ventilatory failure".
We report successful management of the avulsed inferior turbinate that caused ETT occlusion resulting in ventilatory failure.
Randomised controlled trial of nasal ventilation in acute ventilatory failure due to chronic obstructive airways disease.
Neuroimaging was advised to rule out the central cause of ventilatory failure on clinical findings.