“…Despite the fact that, in the majority of the included studies (Table 3), a commercial SP device, such as SILS™[11,18-22], Triport Plus™[32], Wrapdisk™[28], X-CONE[19], or EZ Access™[14], was applied, several trials[12,14,19,20,23,25,29,32] reported the introduction of conventional or low profile trocars through a single abdominal incision. In most operations[14,21,22,25,28,30], conventional laparoscopic instruments were used.…”