Maintenance of Extraperitoneal Space
Structural balloon trocar provides access for gas insufflation and laparoscope while the peritoneum is retracted posteriorly.
Dissection of Extraperitoneal Space
Balloon used to dissect extraperitoneal space. (Reproduced with permission from Tsoi EKM and Organ CH Jr, eds. Abdominal Access in Open and Laparoscopic Surgery. New York: Wiley-Liss, 1996.)