sphincterotomy

例句：

1. 1. The doctor performed a sphincterotomy to relieve the patient's symptoms.
   医生进行了一次肠套叠切除术以缓解病人的症状。
2. 2.The procedure is known as sphincterotomy because it involves cutting through the sphincter muscle.
   这种手术被称为肠套叠切除术，因为它涉及到切开括约肌肌肉。
3. 3. Sphincterotomy is a surgical procedure used to treat conditions such as intussusception and volvulus.
   肠套叠切除术是一种用于治疗如肠套叠和扭转等状况的外科手术。