hot air vibrator for medical purpose

Objective To explore the effects of medical vibratory sputum excretion machine on saturation of blood oxygen and sputum excretion in patients with chronic obstructive pulmonary disease(COPD).

目的探讨医用振动排痰机对慢性阻塞性肺病(COPD)患者血氧饱和度及排痰效果的影响。