gall-bladder trocar

例句：

1. 1.The surgeon inserted the gallbladder trocar to access the bile ducts for a biopsy.
   外科医生插入胆囊导管针以获取胆汁管道进行活检。
2. 2. The patient was given anesthesia before the gallbladder trocar was inserted into his abdomen.
   在将胆囊导管针插入患者腹部之前，患者接受了麻醉。
3. 3. The procedure required the use of the gallbladder trocar to remove stones from the patient's gallbladder.
   该程序需要使用胆囊导管针来从患者的胆囊中取出结石。