Objective To discuss the therapeutic effects on Very Low Birth Weight Infant (VLBWI)using mechanical ventilation with different indications respirator settings and airway care in different term.

目的探讨不同时期上机指征、呼吸机参数及呼吸管理在极低体重儿（VLBWI）应用呼吸机时的治疗效果。

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Objective: to explore clinical nursing care of the evacuation of respirator.

目的：探讨呼吸机撤机的临床护理措施。

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Medical oxygen respirator is small instrument for oxygen supply and mainly used for personal health care, hospital, plateau oxygen supplement and undermine oxygen supply, etc.

医用输氧器是小型的供氧装置，主要用于个人保健、医院、高原补氧和井下供氧等。

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