A mechanical ventilator, also known as a respirator, is a medical device 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. Ventilators are often used to support or replace respiration in medical settings ranging from intensive care units to surgical o... https://articlescad.com/mechanical-ventilators-a-lifesaving-medical-device-for-patients-with-respiratory-insufficiency-337906.html