Fig. 10a–f.

ENBD procedure: part 2. a The ENBD tube is inserted transorally. b A short plastic tube is inserted transnasally in order to engage the ENBD tube. c Surgical forceps are used to pull the leading end of the short plastic tube out orally. d The tubes are connected by inserting the end of the ENBD tube into the short plastic tube. e The short plastic tube and the connected ENBD tube are then pulled back out nasally. f A 5- to 7-French tube is used for biliary drainage via the nasal route