1, invasive ventilator: through the tracheal intubation, used for cardiac arrest patients, patients with severe respiratory failure, etc.; its contraindications include patients with severe hemopneumothorax can not be used; patients with severe hypotension and severe heart attack, generally do not advocate the use of invasive respiratory, but in life-threatening situations, the use of invasive respiratory may also be considered;
2, non-invasive ventilator: mainly used for more awake, have voluntary breathing, can cooperate with the connection of the patient, such as respiratory failure is relatively mild patients. If you suffer from snoring, sleep apnea, obesity hypoventilation and other symptoms, you can use and PuLe home non-invasive ventilator for intervention treatment.