fibre optic catheter

例句：

1. 1.The surgeon uses a fibre optic catheter to guide the needle through the patient's skin.
   外科医生使用光纤导管来引导针头穿过患者的皮肤。
2. 2.The fibre optic catheter was inserted into the patient's bloodstream to monitor his vital signs.
   光纤导管被插入患者的血液中以监测他的体征。
3. 3. The fibre optic catheter was used to perform minimally invasive surgery on the patient.
   光纤导管被用来对患者进行微创手术。