橡圈结扎法-用一个橡皮圈去结扎痔团截断它的血运，痔会因缺血和缺氧而枯萎。
Ligation - a tight rubber band is wrapped around the haemorrhoids to cut off their blood supply. Starved of oxygen and nutrients, the haemorrhoids shrivel.
术后4 ~ 6年为高发时间，结扎方法以输卵管折叠结扎切断法发病率最高，异位妊娠部位以壶腹部着床者居多。
After 4 to 6 years for the high time, tubal ligation method to fold the highest incidence of ligation method, part of the ampullary ectopic pregnancy implantation were most welcome.
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