1Owens M, Barry M ,Janjua AZ, et al. A systematic review of laparoscopic port site hernias in gastrointestinal surgery[ J]. Surgeon, 2011,9(4) :218-224.
3Tonouchi H, Ohmori Y, Kobayashi M, et al. Trocar site hernia. Arch Surg, 2004,139:1248-1256.
4Leibl BJ, Schmedt CG, Schwarz J, et al. Laparoscopic surgery complications associated with trocar tip design: review of literature and own results. J Laparoendosc Adv Surg Teeh A, 1999,9: 135-140.