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. Mechanical ventilation is a type of therapy that helps you breathe or breathes for you when you can’t breathe on your own. You might be on a ventilator during surgery or if your lungs aren’t working properly. Mechanical ventilation keeps your airways open, delivers oxygen and removes carbon dioxide. What is mechanical ventilation? A ventilator machine helps the patient breathe when they are unable to do so. It delivers air directly into the lungs, confirming an adequate amount of oxygenation. Lumis 150 ST BiPAP Machine | Advanced Bi-Level Ventilator for Home & Clinical Use | Intelligent Airflow with Humidification | Quiet, Reliable & Easy-to-Use | 2-Year Warranty