Ureteral stent tube

Abstract

The invention relates to the technical field of medical instruments, more specifically to a ureteral stent tube. The ureteral stent tube comprises a hollow tube body arranged in the ureter of a patient, a first inserting part arranged in the bladder of the patient and and a second inserting part arranged in the pelvis of the patient, wherein the first inserting part and the second inserting part are respectively arranged at two ends of the hollow tube body and are connected with the hollow tube body through a plurality of connecting pieces; the plurality of connecting pieces are arranged in acircumferential direction of the hollow pipe body at intervals; a urine inlet is arranged between every two adjacent connecting pieces in a spaced mode; an elastic column used for controlling the urine inlet to be opened and closed is arranged at each urine inlet; a sliding block capable of sliding in a length direction of the connecting pieces is arranged among the plurality of connecting pieces;one ends of the elastic columns are connected with and arranged on the hollow tube body; the other ends of the elastic columns are connected with and arranged on the sliding block; and the ureteral stent tube also comprises a control component used for controlling the sliding block to slide. According to a scheme of the invention, the ureteral stent tube has the advantages of reducing stimulationand damage to bladder mucosa, reducing hematuresis and improving comfort of a patient.

Description

technical field [0001] The invention relates to the technical field of medical instruments, and more specifically, relates to a ureteral stent tube. Background technique [0002] A ureteral stent, also known as a double "J" tube, is a long, thin, flexible tube that is placed from the kidney to the bladder. Ureteral stent is a commonly used medical device in urological surgery. When stones, scar stenosis, tumors, etc. cause obstruction, the ureteral stent can support, expand the ureter and drain kidney urine. In addition, ureteral stents are routinely placed in most cases during ureteral or renal pelvic surgery. [0003] At present, the commonly used ureteral stent tube is a hollow flexible tube, which is also called "double J tube" because the ends on both sides are curled into a "J" shape. After indwelling the double J tube after the operation, its "J" shaped end, one end is coiled in the renal pelvis, and the other end is coiled in the bladder, so as to fix the double J ...

AI Technical Summary

Problems solved by technology

After indwelling the double J tube after the operation, its "J" shaped end, one end is coiled in the renal pelvis, and the other end is coiled in the bladder, so as to fix the double J tube so that it is not easy to shift. However, after the indwelling double J tube is coiled in the bladder One end exerts a concentrated force on the inner wall of the bladder, and rubs against the bladder mucosa, resulting in edema, damage, and bleeding of the bladder mucosa. Once the hematuria is severe, medical intervention is often required

Images