What Is the Difference Between a Respirator and a Ventilator?
Many people are unaware that there are distinct differences between a respirator and a ventilator, and as a result, the two terms are often mistakenly used interchangeably. Indeed, as a respirator and a ventilator are both breathing aids, this confusion is understandable. Yet the functions of these devices are quite different. A respirator is a mask-like device which filters fine particles from inhaled air, while a ventilator is a machine which assists with or performs the breathing process for medical patients. Perhaps further adding to the confusion of the terms is the fact that ventilator professionals are known as respiratory therapists. The most important difference between a respirator and a ventilator is that, unlike a ventilator, a respirator does not perform any actual breathing function for its wearer. Instead, its purpose is to purify inhaled air before it enters the lungs by trapping harmful particles and fumes contained in that air. A respirator usually takes the form of a
