resuscitator

noun

One that resuscitates, as an apparatus that forces oxygen or a mixture of oxygen and carbon dioxide into the lungs of a person who has undergone partial asphyxiation.

One who resuscitates.

One who, or that which, resuscitates.

A device which is used to force oxygen or a mixture of oxygen and other gases into the lungs of patients who are suffering from asphyxiation, to revive the patient and induce resumption of respiration.

A person or thing that resuscitates.