Medical whole chest oscillating expectoration machine  

The Chest Expectoration Machine is a medical device used to help patients eliminate sputum from the respiratory tract. It uses high-frequency vibration to stimulate the patient's respiratory tract and loosen sputum, making it easier to pass out of the body. Expectoration Machine usually consists of an oscillator and a connecting tube. The oscillator generates high-frequency vibrations that are transmitted to the patient's respiratory tract through the connecting tube. The patient can insert the connecting tube into the respiratory tract through the oral or nasal cavity, then turn on the device to start oscillating expectoration treatment. The vibration frequency of the Oscillating Expectoration Machine is usually between 5-25 Hz and can be adjusted according to the patient's needs. The intensity and duration of vibration can also be adjusted based on the patient's condition. This treatment usually needs to be carried out under the guidance of a doctor to ensure safety and effectivene…