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。
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