Bending-adjustable sheathing canal and manufacturing method thereof

The invention relates to a bending-adjustable sheathing canal and a manufacturing method thereof.The bending-adjustable sheathing canal is characterized in that a main body tube is provided with a main body section and a bending-adjustable section in the axial direction, the main body tube comprises an inner-layer tube and an outer-layer tube in the radial direction, the outer-layer tube is arranged on the outer side of the inner-layer tube in a sleeving mode, and a braided tube layer and a middle tube layer are arranged between the outer tube wall of the inner-layer tube and the inner tube wall of the outer-layer tube; the middle pipe layer is located on the inner side of the braided pipe layer, the ring electrode is arranged on the bending adjusting section of the main body pipe, at least one part of the electric lead is embedded in the middle pipe layer in the axial direction, and the electric lead is connected with the ring electrode. The adjustable bending sheathing canal with the ring electrode can carr