消化道支架的临床应用GI Tumors and Product Positioning stentEsophageal strictureUltraflex Stentor Flamingo StentBiliary strictureBiliary WallstentColon or DuodenumEnteral WallStent主要内容 消化道支架的种类和特征 食管支架的临床应用 十二指肠和结直肠的临床应用消化道支架的种类和特征发 展 史 1887 手术方法 人工食管 (Symonds) 1970 Atkmson 内套管(Savary/Wilson-Cook) 1980s Wall stent (Medinvent) Z-stent (Wilson-Cook) Ultraflex stent (Buston. USA) In stent 1990s Nitinol stent (Toront) 带膜 stent (Buston、Wilson-Cook)国外消化道支架种类 金属不锈钢支架:金属不锈钢支架: Gianturco-Rosch Z stent(Cook,Blooming