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自１９９６年２月用自行研制的内镜直视软型食管扩张器（专利号：９７２４４６４８）为２８例贲门失弛缓症患者行扩张治疗，其中１例为行Ｈｅｌｌｅｒ氏术１０年复发者。随访最长２年，最短１月，１例病人不能配合扩张不成功，其余均痊愈。１．材料：内镜直视软型食管扩张器（?
Since February 1996 with self-developed endoscopic soft-opening esophageal dilator (patent number: 97244648) for the treatment of 28 patients with achalasia expansion treatment, including 1 case of Heller’s 10-year recurrence. Follow up up to 2 years, the shortest in January, 1 patient can not cooperate with the expansion is unsuccessful, the rest were cured. 1. Material: Endoscopic soft esophageal dilator (?