通常下腹腔镜手术在脐部作第一套管插入。1974年 ,RaoulPalmer最早描述了在腹壁左上象限作第一套管插入 ,即在左侧锁骨中线肋缘下 3cm作为插入点。这项技术可应用在巨大盆腔包块 ,可疑下腹部或盆腔有粘连 ,妊娠中期者以及作为脐部套管插入失败时的替代手段。为探讨左上象限腹腔 Laparoscopic surgery is usually the first umbilical cord inserted. In 1974, RaoulPalmer first described the insertion of the first cannula in the upper left quadrant of the abdominal wall, ie, 3 cm below the midline margin of the left clavicle. This technique can be used as an alternative to massive pelvic mass, suspected lower abdomen or pelvic adhesions, mid-second trimester, and failure of umbilical cannulation. To explore the upper left quadrant abdominal cavity