vacuum cannula

• 吸引套管

vacuum cannula的用法和样例：

例句

1. The tip of the suction cannula allows atraumatic, blunt and gentle dissection of the posterior aspect of the renal hilum, carefully avoiding any lumbar vessels in this area.
   吸引套管的尖端需要无创伤的，钝圆的并能在肾门后面进行大体解剖分离，在此区域需避免腰血管损伤。