Preliminary exploration of animal models of congenital choledochal cysts

Figure 1 Surgical procedures of partial ligation of the bile duct of juvenile rats. A: Anesthesia: 2.5% pentobarbital sodium (0.25 mL/100 g) was injected into the abdominal cavity; B: Positioning: After anesthesia, the rats were fixed with a supine position; C: Skin preparation: The hair was removed to expose about 5 cm × 3 cm of skin, followed by iodine disinfection; D: Bile duct isolation: The bile duct was located with forceps; E and F: Partial ligation: Place a 1 mL needle parallel to the bile duct and use 6-0 absorbable suture to ligate the bile duct and needle; G: Remove: The needle was removed after partial ligation; H: Closure of the incision: After ligation, and the incision was intermittently sutured.