CPAP machine
The ventilator can not only treat sleep apnea syndrome, but also snoring.
Single-level ventilator: provides constant positive airflow pressure, suitable for patients with mild symptoms, who may feel uncomfortable when exhaling.
Bi-level ventilator: can set two different pressures, providing lower expiratory pressure when exhaling and higher inspiratory pressure when inhaling, which can provide more accurate air pressure support according to the user's sleep state and breathing needs, and higher comfort.
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