Artificial nose simulates the mechanism of human anatomy and humidification system, circulates the exhaled heat and moisture, and releases it in the next exhalation.

It is suitable for patients with spontaneous breathing through artificial airway and mechanical ventilation by ventilator, and plays the role of moistening, improving lung function and reducing the incidence of lung infection.

If you use it, it's just like what you said upstairs. It is disposable and placed at the tracheotomy. Strictly speaking, it needs to be replaced every day, but the cost is relatively high, around 80 yuan.