Fig. 9a-f.
ENBD procedure: part 1. a An endoscopic catheter is cannulated into the bile duct. b A guidewire is passed through the catheter into the bile duct. c The catheter is withdrawn. d The ENBD tube is passed along the guidewire. e The guidewire is withdrawn. f The endoscope is removed while applying pushing pressure on the ENBD tube to keep it in place