对未妊子宫行输卵管结扎术,一般采用下腹部小正中切口.此切口虽然不损伤重要神经或血管,但当切开白线,分开两侧腹直肌后,所显露出来的恰是脐中皱襞,欲进入腹腔时,往往遇到多而且厚的结缔组织层次,不仅操作费劲,而且易误伤膀胱,尤其 Uterine tubal unruptured tubal ligation, the general use of the lower abdomen in the middle of the incision. Although this incision does not damage the important nerves or blood vessels, but when the white line incision, the two sides separated from the rectus abdominis, revealed exactly in the umbilical Wrinkle, want to enter the abdominal cavity, often encounter more and thick connective tissue level, not only strenuous operation, but also easy to accidentally hurt the bladder, especially