1992年由加拿大医生Michel gagner,经侧腹腔入路,进行了LA,与开放手术相比对组织损伤小,出血少,术后疼痛轻,恢复快,住院时间短和并发症少等优点。早期的手术均经腹腔进行。1992年Gaur等设计腹膜后气囊分离器,应用于腹膜后腔镜技术,减少了由此引起的腹腔内并发症,开创了腹膜后腔 In 1992, Michel Gagner, a Canadian physician, performed LA through the lateral abdominal approach, which has the advantages of less tissue damage, less bleeding, less postoperative pain, faster recovery, shorter hospital stay and fewer complications than open surgery. Early surgery were carried out by the abdominal cavity. 1992 Gaur design of retroperitoneal balloon separator, applied to retroperitoneal endoscopic techniques, reducing the resulting intra-abdominal complications, creating a retroperitoneal cavity