A contrivance for effecting ventilation; especially, a contrivance or machine for drawing off or expelling foul or stagnant air from any place or apartment, or for introducing that which is fresh and pure.
a machine used to give the patient breaths through their ET or trach tube.
A machine often called a respirator that is designed to assist or takeover breathing for a patient. The ventilator has many different settings or capabilities also called modes to assist patients in the way that is most effective for them. Ventilators come equipped with noisy alarms to alert the medical staff to potential problems.