Disclosed is a duodenoscope protected with disposable consumables, wherein a cuff (3) coating is arranged on the external surface of the insertion portion on a duodenoscope body (1) of the duodenoscope, a disposable clamping tube (4) is inserted inside a pipeline of the duodenoscope body (1), an end cap (2) covering is arranged on the distal end of the duodenoscope body (1), the end cap (2), the cuff (3) and the disposable clamping tube (4) are connected integrally, a long strip-shaped opening (2.1) with the same shape as that of the opening on a head-end (1.1) of the duodenoscope body (1) is arranged on the side face of the end cap (2), a tong lifter (1.2) is arranged inside the head end (1.1) of the duodenoscope body (1), the end cap (2) is made from a transparent elastic material, a soft interface (5) is arranged inside the long strip-shaped opening (2.1) of the end cap (2), the soft interface (5) is tobacco pipe-shaped and is made from an elastic film, the large opening end of the soft interface (5) is bonded to the long strip-shaped opening (2.1) of the end cap (2), a small opening end (5.2) is slipped on and bonded to the distal end of the disposable clamping tube (4), a pulley (1.4) is arranged on the head of the tong lifter (1.2), and a groove (1.5) is arranged on the peripheral surface of the pulley (1.4). The duodenoscope protected with disposable consumables can protect both the external surface of the duodenoscope and the internal surface of the pipeline.L'invention concerne un duodénoscope protégé par des consommables jetables. Un revêtement de type manchette (3) est disposé sur la surface externe de la partie d'insertion d'un corps de duodénoscopie (1) du duodénoscope, un tube de serrage (4) jetable est inséré à l'intérieur d'un conduit du corps de duodénoscopie (1), un capuchon d'extrémité (2) est disposé sur l'extrémité distale du corps de duodénoscopie (1), le capuchon d'extrémité (2), la manchette (3) et le tube de serrage (4) jetables étant formés
