Ｄｕｈａｍｅｌ手术是治疗先天性巨结肠症常用有效的手术方法,但对短段型由于直肠近端及乙状结肠肠壁明显肥厚、水肿、扩张,而不能使用规范的环钳直肠结肠斜吻合根治术。针对上述问题我们设计了肛管与下拖结肠半环形缝合牵引,加环钳钳吻合(简称环牵法),自1977年2月～1999年5月 Duhamel surgery is a commonly used effective surgical treatment of Hirschsprung’s disease, but for the short segment due to the proximal rectum and sigmoid colon wall was significantly hypertrophy, edema, dilatation, and can not use the standard circumcision colorectal anastomosis radical mastectomy. In response to the above problems we designed the anal tube and drag the colon semi-circular suture traction, plus ring clamp forceps (referred to as ring traction method), from February 1977 to May 1999