“插管术”用英语怎么说？

目的探讨脐静脉插管术在早产儿中的应用效果.Objective To explore the effect of umbilical vein catheterization on premature infants.实验组以带管芯的气管导管行盲探经鼻气管插管术,对照组则不带管芯.Objective To investigate the feasibility of transnasal tracheal intubation with ...