Which device is commonly used to deliver oxygen therapy?

The oxygen concentrator is a widely used device for delivering oxygen therapy because it is designed specifically to extract oxygen from the ambient air and provide it at a concentrated level. This device works by drawing in air from the environment and filtering out nitrogen and other gases, allowing it to deliver a more concentrated form of oxygen to the patient. This capability is particularly beneficial for patients who need long-term oxygen treatment, as it can operate continuously and is often more cost-effective for home use compared to other methods of oxygen delivery.

The oxygen concentrator is suitable for various situations, including chronic respiratory conditions such as COPD or some types of pulmonary fibrosis, where maintaining adequate oxygen saturation levels is crucial for the patient's health. Since these patients may require oxygen therapy for extended periods, the concentrator's ability to generate oxygen on demand from the surrounding air makes it a flexible and sustainable solution.

Other devices listed may have roles in oxygen delivery or management of respiratory conditions, but they don't focus specifically on concentrated oxygen delivery like the oxygen concentrator does. For instance, a ventilator is primarily used for patients who cannot breathe independently, as it mechanically delivers breaths, which may include oxygen but is not designed solely for oxygen therapy. A positive pressure machine is often used in sleep apnea treatment and may