Disclosed is a sheathing canal that can be adjusted so as to be bent, comprising a canal body (1), a traction thread (4) and a handle (8). The traction thread (4) can slide within the canal body (1) and the handle (8). The canal body (1) has a proximal end (3) and a distal end (2), with the proximal end (3) of the canal body (1) connected to the handle (8). The handle (8) comprises a branch, wherein the branch is located at one side adjacent to the proximal end (3) of the canal body (1), and a moving component able to move along the branch is provided on the branch. The proximal end of the traction thread (4) is fixed on the moving component, and the distal end of the traction thread (4) is fixed at the distal end of the canal body (1). An elastic section (5) is provided in the vicinity of the distal end of the canal body (1), and the moving component alters the angle of bending of the elastic section (5) as the moving component moves on the branch. The moving component is connected to the branch via screw threads. By comparison with the prior art, the sheathing canal of the present invention that can be adjusted so as to be bent can shorten the effective length of the handle, improve the accuracy of control of the angle and make the operating process convenient and easily controlled.La présente invention concerne un canal de gainage qui peut être ajusté de manière à être cintré, comprenant un corps (1) de canal, un fil de traction (4) et une poignée (8). Le fil de traction (4) peut coulisser à lintérieur du corps (1) de canal et la poignée (8). Le corps (1) de canal a une extrémité (3) proximale et une extrémité (2) distale, lextrémité (3) proximale du corps (1) de canal étant reliée à la poignée (8). La poignée (8) comprend une branche, la branche étant située au niveau dun côté adjacent à lextrémité proximale (3) du corps (1) de canal, et un élément mobile pouvant à se déplacer le long de la branche étant prévu sur la branche. Lextrémité proximale du fil de tract
