1. The working principle of ultrasonic nebulizer/atomizer: use ultrasonic to atomize the liquid, and the liquid will be evenly dispersed in the air after atomization. Most of the particles can only be deposited in the upper respiratory tract, such as the O cavity, throat, etc. And the amount of deposition is very small, and the effect on the small respiratory tract is very small. Due to the effects of ultrasonic atomizer treatment, cleaning operation, service life and other reasons, it has been basically eliminated.

2. The compression nebulizer/atomizer is based on the Venturi spraying principle, and uses compressed air to form a high-speed air flow through a small nozzle. The negative pressure generated drives the liquid or other fluids-sprayed onto the barrier, and splashes to the surroundings under high-speed impact The droplets are turned into mist particles and ejected from the outlet pipe. The amount of nebulization inhaled during the same treatment period is appropriate, and it is not easy to cause hypoxia and cough. The atomized particles are also finer and can penetrate deeper into the lower respiratory tract. And it is not easy to collide and reduce the waste of medicinal solution. It is currently widely used in hospitals.

3.The working principle of the net nebulizer/atomizer: through the up-and-down vibration of the vibrator, the medicinal solution is squeezed out through the holes of the nozzle-type net spray head, and the spray is made by using a small ultrasonic vibration and a net spray head structure. Its small size, easy to carry, easy to use, and completely silent during use. Its important accessory --- net spray head needs to be boiled and disinfected after each atomization inhalation treatment, so as not to cause clogging of micropores and affect the atomization effect.

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