Laparoendoscopic single-site distal pancreatectomy in pigs

Figure 1 Special instruments used in this study. A: The novel flexible multichannel port set (KangMei, JiangSu, China) includes three components, a wound retractor and valve as well as trocars; B: The valve component has four channels, with approximately 4.5 cm (black line) between the two 10-mm channels and 3.5 cm (red line) between the two 5-mm channels; C: The curved laparoscopic multifunctional operative device (C-LMOD) bent near the handle at an angle of 20°-30°; D: The handle of the C-LMOD controlling the douching and absorbing conduits by a triplet, with an electrocautery touch-point connected to the C-LMOD lumen; E: The tip of the C-LMOD with a slope; F: The fish hook retractor with a straight needle to penetrate the abdominal wall and a fish hook to retract the target.