抽痰机之抽吸瓶需每天清洗。
方法 采集10个氧气湿化瓶使用前、中、后各部位样品进行细菌培养检查，同时对湿化水、室内空气和医护人员的手进行细菌培养检测，并采集患者痰液进行培养检查。
METHODS Several parts of 10 oxygen moisture bottles, moistured water, ward air, and hands of doctors and nurses were detected by bacteriology methods, and the sputa of patients were cultured.
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