A ventilator is a type of breathing apparatus, a class of medical technology that provides mechanical ventilation by moving breathable air into and out of the lungs, to deliver breaths to a patient who is physically unable to breathe, or breathing insufficiently.
A ventilator helps to push air in and out of your lungs so your body can get the oxygen it needs. You may wear a fitted mask to help get oxygen from the ventilator into your lungs.
What is a ventilator? A ventilator is a machine that helps you breathe. Just like crutches support your weight, the ventilator partially or completely supports your lung functions. A ventilator: Provides oxygen to your lungs. Helps remove carbon dioxide from your lungs.
A ventilator, sometimes called a mechanical ventilator, is a machine that helps you breathe when you're sick, injured, or sedated for an operation. It pumps oxygen-rich air into your lungs.
The opposite end of the tube is connected to a machine (the ventilator) that pumps a mixture of air and oxygen through the tube and into the lungs. The air is warmed and humidified before it goes into the body.