骶正中静脉与骶正中动脉伴行的情况占总数的60.0%；
About 60% of the middle sacral veins were accompanied with the arteries.
组46例次，穿刺点为头皮静脉如额正中静脉、颞浅静脉、耳后静脉等；
There were 46 cases in the B group, the injection points included vein of forehead, superficial temporal vein and the posterior auricular vein.
采用22g或24g静脉留置针，选择患者非手术侧肘正中静脉、前臂静脉和前臂贵要静脉为注射血管。
Using 22g or 24g intravenous catheter needle. Choose non-operated side in patients with median cubital vein, forearm vein and forearm blood vessels in your vein for the injection.
采用22g或24g静脉留置针，选择患者非手术侧肘正中静脉、前臂静脉和前臂贵要静脉为注射血管。
Using 22g or 24g intravenous catheter needle. Choose non-operated side in patients with median cubital vein, forearm vein and forearm blood vessels in your vein for the injection.
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