tracheal retractor

例句：

1. 1.The doctor used a tracheal retractor to help him breathe.
   医生使用气管吸引器帮助他呼吸。
2. 2. During surgery, the surgeon uses a tracheal retractor to keep the patient's airway open.
   在手术过程中，外科医生使用气管吸引器来保持患者的气道开放。
3. 3. The patient was given a tracheal retractor to prevent any accidental choking.
   患者被给予气管吸引器以防止任何意外的窒息。