老师：吸氧治疗在18世纪就开始应用了。今天差不多用于所有形式的急性呼吸衰竭。

学生：有多少种设备可用来为病人输氧？

老师：为自动呼吸的病人输送氧气的设备有三组：

①氧罩。

②鼻管。

③氧气帐及氧气盒。

学生：湿化很重要吗？

老师：是的，最常用的是湿化瓶，它只是在室温下把干燥的氧气在水瓶中滤过。

techer: Oxygen therapy has been used in patient care in the 18th century and today it is used in almost all forms of acute respiratory failure.

Student: How many linds of equipment are used to deliver oxygen to patient?

T: There are three functional groups which are designed to deliver oxygen to the spontaneously breathing patient:

①Face masks.

②Nasal cannulae.

③Tents and boxes.

S: Is humidification very important?

T: Yes, the most well known example is the woulfe bottle. It works simply by bubbling the dry gas through water at room temperature.