方法采用某多中心研究评价引导穿刺仪穿刺效果的临床试验数据，采用现有的临床评价手段和过程能力指数分别评价实际操作结果与预计值之间的一致性。
Methods the data from a multicenter study on a puncture system was used. The assessing of agreement was done by using clinical assessing methods and the process capability index.
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。
Objective To improve skin degerming method of puncture position in transfusion, to raise sterilization effect and prevent phlebitis.
目的总结经乳突腔穿刺抽脓治疗耳源性脑脓肿的方法和效果。
Objective to describe the technical detail and to evaluate the efficacy of aspiration in the treatment of otogenic brain abscess.
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