医药科学

• 静脉造影

  Embedding artificial valve surrounding one side of external iliac vein of random selecting as experimental group, and the other side as control group. Using ascending phlebography and descending phlebography to check the function of artificial valve.

  随机选择一侧髂总静脉安置人造瓣膜作为实验组，另一侧作为对照组，术后行上行性和下行性静脉造影检查人造瓣膜功能。

• 静脉ｘ射线摄影术

• 静脉搏动描记法