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该科使用负压吸引套扎法治疗Ⅱ期以上内痔186例,疗效好,并发症少.对负压吸引套扎法治疗内痔的操作要领,并发症的防治进行了讨论“,”patients with phase Ⅱ or phase Ⅲ internal hemorrhoids were treated with plastic loop ligation by vacuum suction and obtained good results.The article introduced the essential technique and how to avoid occurrence of the complication.