Objective: to prolong the service life of intravenous indwelling trocar, to relieve the patient's pain and to improve nursing quality.
2
目的：介绍静脉输液时一种新的留置针，即安全动静脉留置针的使用方法。
Objective:To introduce the usage of a new arteriovenous plug-intracan safety for intravenous injection.
3
目的对120例使用静脉留置针的患儿进行效果观察，并根据各年龄组的特点采取不同的护理措施。
Objective To observe the effect from 120 cases who use vein indwelling needle, and use different nursing measure according to the character of every age group.
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