Disposable calculus taking device in ureter

The disposable calculus extractor comprises an endoscope assembly and a grasping forceps assembly, the endoscope assembly comprises a tip portion, an insertion tube, an operation portion and a connecting portion, the two ends of the insertion tube are connected with the tip portion and the operation portion respectively, one end of the connecting portion is connected with the operation portion, and the other end of the connecting portion is used for being connected with a camera shooting light source system. A working channel is arranged in the insertion tube, a telescopic line is arranged on the inner wall of the insertion tube, the front end of the telescopic line is fixed on the inner wall of the front end part of the insertion tube, and the rear end of the telescopic line penetrates through the rear end of the insertion tube to enter the operation part; the nipper assembly comprises a handle, a nipper rod, a hose and a nipper claw. The bending control of the insertion tube is convenient, the knob does not