Objective To improve the unsatisfactory situation of endoscope disinfection and develop endoscopic anti-cross- infection security protection sheath. Methods The protective sheath was processed by using tube and cylinder of medical flexible rubber that was non -toxic, harmless, tasteless and transparent, which size was coincide with the shank of endoscopic fore-end. The openings of fore-end and back-end were designed by immerse extra-strong circle. Every sheath was molded into barrel roll based on the midline axis of twist and bagging standby after disinfection and sterilization. Results The instruction of sheath was streamlined that could be unwound smoothly from back-end and accreted tightly to endoscopic mirror. Conclusion The sheath can be reduced effectively the risk of cross-infection in endoscope examination.

患者,男,61岁,农民.因咽痛伴吞咽困难及双侧颌下肿痛3个月余,于2008年6月10日来我院就诊.

Objective： To solve the diet and nourishment in case of esophagotracheal fistual of late stage carcinoma of esophagus,prevent mediastino-bronchial from infection.Methods： Titanium nickel alloy stent was implanted with endoscopic results. Results： All the 24 implantations were successful.Conclusion: The stent implatation is an effective way in treatment of patient of esophago-tracheal fistual.

目的:置入食管支架,解除食管梗阻,提高患者生存质量.方法:对25 例食管癌放疗后狭窄、食管癌放疗后复发狭窄及食道癌狭窄等用沙氏扩张器扩张后置入食管支架.结果:25例患者均一次置入成功,定位准确,支架复张良好,病人进食均明显改善, 术后部分病人出现胸骨后疼痛、出血、食管返流、发热等并发症.结论:对各种原因所致的食管狭窄行食管支架置入治疗方法简便、安全、有效.