2. Non-invasive ventilator: a ventilator that does not need to cause trauma to the body, uses a mask to ventilate through the nasal cavity, and plays a respiratory auxiliary role for patients.
3. Compared with non-invasive ventilator, invasive ventilator is quite different in appearance, connection mode, applicable crowd, cost and patient convenience. Invasive breathing machine has a large volume, and many buttons are complicated. It is expensive to treat severe patients through oral and nasal intubation or tracheotomy, and it cannot retain normal physiological functions, such as speaking, coughing, eating and so on.
4. The body of non-invasive ventilator is small, and it is mainly connected by face mask, nose mask or face mask. Suitable for patients with mild illness, and the treatment cost is cheaper. Patients who use noninvasive ventilator can still complete normal physiological functions.
5. Home ventilator belongs to non-invasive ventilator. As far as users of home noninvasive ventilator are concerned, it is suitable for patients with mild to moderate respiratory failure, and invasive ventilator is suitable for patients with severe respiratory failure.