方法：各种原因引起的气管和主支气管狭窄病人13例。
Methods 13 patients with severe tracheal stenosis for various causes.
目的设计治疗胸腔胃主支气管瘘和主支气管狭窄的气管主支气管覆膜分支状内支架。
Objective To design the trachea main bronchus covered embranchment stent and study the primary treatment for thoracostomach main bronchial fistula and main bronchial stenosis.
目的：探讨经纤支镜高频电刀灼烧扩大管腔并放置金属支架治疗左主支气管结核性狭窄的疗效和安全性。
Objective: To investigated the curative effect and safety of treating left main bronchial tuberculous stenosis by means of radio knife burn through fibrous bronchoscope and placement of metal stand.
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