Fig. 3

LCJ instructions for 3D printing model A The first needle was inserted into the left lateral wall of the intestine. B The first needle was inserted into the left lateral wall of the bile duct. C The second needle was inserted into the posterior wall of the intestine from inside to outside. D The second needle was inserted into the posterior wall of the bile duct from outside to inside. E The posterior wall of the intestine had been anastomosed to the posterior biliary ductal wall. F The needle was pulled out at the right lateral wall of the intestine. G The needle was inserted into the anterior wall of the intestine from outside to inside. H Continuously suture the anterior wall of the intestine and the bile duct to complete the anastomosis