Outpatient infusion nurse; Puncture success; Influencing factors; countermeasures.

门诊输液护士；穿刺成功；影响因素；对策。

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Objective Makes one economical and practical, quickly to facilitate, the puncture success ratio hight medical appliance.

目的制作一种经济实用、快捷方便、穿刺成功率高的医用器具。

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Results: The once puncture success rates of the experimental group (93.4%) is higher than the control group (54.9%) (P<0.01).

结果：试验组一次穿刺成功率（93。4%）明显高于对照组（54。9%）（P<0。01）。

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American unemployment figures on Friday, which could be shocking, may puncture some of that optimism, and should temper any temptation among G20 leaders to claim success.

ECONOMIST: The G20 in London

Puncture the groundless, self-defeating myth that this is their last chance and remind your base that success breeds success in politics as much as in sports and business.

FORBES: Dangerous Thoughts