Objective To improve skin degerming method of puncture position in transfusion, to raise sterilization effect and prevent phlebitis.
目的改进静脉留置针穿刺部位皮肤消毒方法，提高消毒效果，防止静脉炎的发生。
The application, puncture position, method, contraindication of the technique and what should be noted during operation are summarized in this article.
现就此项技术的应用、穿刺部位、方法、禁忌症以及注意事项作一总结。
The position of the puncture assembly is precisely locatable.
穿刺组件的该位置是可精确定位的。
The puncture device is biased in a retracted position.
穿刺装置偏置在缩回的位置。
The puncture device is biased in a retracted position.
穿刺装置偏置在缩回的位置。
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