umbilical catheterization

例句：

1. 1.Umbilical catheterizationis a procedure used to deliver medication directlyinto the bloodstream.
   脐带插管术是一种将药物直接输送到血液中的手术。
2. 2. During umbilical catheterization, a needle is inserted throughthe umbilical cord to delivermedication.
   在脐带插管术中，通过脐带插入一根针来输送药物。
3. 3. The success of umbilicalcatheterization depends on proper techniqueand patient cooperation.
   脐带插管术的成功取决于正确的技术和患者的合作。