食管气管瘘常见于手术后、外伤、感染、晚期中段食管癌引起,也可为食管癌放疗后的并发症之一,此症难以自行愈合,多数患者短期内死于吸人性肺炎,气管阻塞及营养不良等,临床处理极为困难。目前治疗方法以外科手术和带膜食管支架堵瘘术为主,外科手术疗效甚差,带膜支架治疗亦存在不足之处;支架放置的位置可能无法完全堵住瘘口,且可能对食管甚至食管以外的器管造成损伤,支架本身属合金 Esophageal tracheal fistula common in surgery, trauma, infection, esophageal cancer caused by late, but also for the complications of esophageal cancer after radiotherapy, the disease is difficult to heal, most patients died of aspiration pneumonia, tracheal obstruction and short-term Malnutrition, clinical treatment is extremely difficult. At present, the surgical treatment of surgical fistula with esophageal stent with the main surgical curative effect is poor, with stent treatment there are deficiencies; stent placement may not be completely blocked fistula, and may be esophageal or even Esophageal tube damage, the stent itself is alloy