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一次性输氧鼻塞是临床输氧用的必备材料。鼻塞的设计是否合理，使用是否方便、快捷、对保证输氧顺畅、减轻患者痛苦和抢救患
Oxygen nasal infusion is a one-time clinical oxygen with the necessary materials. Whether the nasal congestion design is reasonable, the use of convenient, fast, to ensure smooth oxygen delivery, reduce patient pain and rescue