1.Daily replacement of sterile water oxygen humidifier bottles, nasal oxygen catheter.
每日改换氧气湿化瓶无菌水、氧气鼻导管。
2.Objective: to investigate the humidification effect of nasal oxygen therapy nasal cavity at high altitude.
目的：探讨高原地区鼻塞氧疗鼻腔湿化的疗效。
3.Study of the Effect on Oxygen saturation of blood by different depth of ductus insertion during nasal oxygen breath
鼻导管吸氧时导管插入深度不同对血氧饱和度的影响