intrathoracic drain

例句：

1. 1.The patient was given an intrathoracic drain to help relieve his chest pain.
   患者被给予一个胸内引流管来帮助缓解他的胸痛。
2. 2.The surgeon performed a thoracotomy and inserted an intrathoracic drain to prevent infection.
   外科医生进行了胸腔镜手术，并插入了一个胸内引流管以防止感染。
3. 3. The patient's condition improved significantly after the intrathoracic drain was removed.
   患者的病情在移除胸内引流管后显著改善。