Tracheal stent的用法和樣例：
例句
- Objective It is to study the clinical effect of treating tracheostenosis by tracheal stent placement through fiberoptic bronchoscope.
目的研究經纖支鏡放置氣管支架治療氣管狹窄的臨床效果。 - Conclusions Tracheal stents can relieve symptoms and improve the life quality in patients with tracheal stenosis caused by malignant tumors or tracheal malacia.
結論氣管支架對良惡性腫瘤引起的氣管受壓性狹窄，氣管軟化引起的氣管狹窄，有良好的緩解癥狀，改善生活質量的作用。
