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.

Also known as a respirator, a medical device with an attached tube inserted into the lungs that helps a person breathe when they cannot breathe on their own. The ventilator pumps oxygen into the lungs.

An automatic mechanical/pneumatic device designed to reduce or provide the work required to move gas into and out of the lungs.

a device (such as a fan) that introduces fresh air or expels foul air

a lovely little device which allows air to flow through portions of the human body formerly occupied by blood

a mechanical device designed to provide all or part of the work a body must produce to move gas into and out of the lungs