endoscopic biliary drainage

例句：

1. 1.The patient underwent endoscopic biliarydrainage to relieve his pain.
   患者接受了内镜下胆道引流术以缓解他的疼痛。
2. 2. The procedure was performed under endoscopic biliary drainage to prevent complications.
   该手术在内镜下胆道引流术的辅助下进行，以防止并发症。
3. 3. Endoscopic biliary drainage isa minimally invasive technique for treatingbile duct stones.
   内镜下胆道引流术是一种微创技术，用于治疗胆管结石。