本文详细介绍了穿刺输精管用平头导管针的制作过程，并简单阐述了其使用方法。

The article gives a detailed introduction of the process of marking flat tube needle for vas deferens puncture and a brief explanation of its application.

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在一些医院会给所有孕妇放留置针，在你的静脉安放灵活的导管(往往在你的手背，或者小手臂)，好做液体点滴。

In some hospitals, it's routine to give all women in labor an iv, a flexible catheter placed in your vein (usually in the back of your hand or lower arm) to drip in fluids and medication.

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目的：总结经皮深静脉双腔留置针导管建立临时血管通道在血液净化中的护理心得。

Objective To sum up the nursing experience of establishing temporary blood vessel channel by leaving deep vein pair drive pipe to purify the blood.

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