Does oxygen therapy belong to the category of medical devices?

In modern clinical medicine, ventilator, as an effective means to replace the function of spontaneous ventilation, has been widely used in respiratory failure caused by various reasons, anesthesia and respiratory management during major surgery, respiratory support treatment and emergency resuscitation, and occupies a very important position in the field of modern medicine. Ventilator is an important medical equipment to prevent and treat respiratory failure, reduce complications, save and prolong patients' lives. Oxygen generator can improve the oxygen concentration of human body. Generally, customers with emphysema and carbon dioxide need to use oxygen generator and ventilator together to achieve the best effect and reduce the development of the disease.