pulmonary dilator

例句：

1. 1. The patient was given a pulmonary dilator to help open his airway.
   给病人使用了肺扩张器来帮助打开他的气道。
2. 2. The doctor inserted a pulmonary dilator into the patient's chest cavity.
   医生将肺扩张器插入了患者的胸腔。
3. 3. The pulmonary dilator was used to treat patients with respiratory problems.
   使用肺扩张器治疗呼吸系统问题的患者。