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dj ureteral stents in kidney

A ureteral stent is a thin, hollow, and flexible tube inserted into the ureteral lumen with circular curling at each end, curling at one end in the renal pelvis and at the other end in the bladder supports the ureter and helps drain urine from the kidneys to the bladder.

    PRODUCT INTRODUCTION

    Adult patients use stents 24 ~ 30 cm in length, and stents have different diameter models to meet the needs of ureters with different diameters. Curling at both ends of the tube is used to fix the stent tube and avoid displacement and slippage of the stent tube. The curling shape at both ends is like English letter "J" and pigtail, so it is also called "JJ tube", "double J tube", "D-J tube" and "pigtail tube".

    When to use a ureteral stent?

    The urine produced in the kidneys is passed under the ureters to the bladder and then passed through the urine (ureters resemble sewers). In some cases, the ureter may become obstructed and urine excretion may be inadequate, causing hydronephrosis or other complications. Ureteral stent placement (ureteral stent placement) is a minimally invasive solution for relieving upper urinary tract obstruction. The causes of these obstructions may be strictures of the ureter, renal and ureteral stones, pelvic or retroperitoneal tumors, or benign lesions.

    It provides internal support in the case of ureteral reconstruction surgery, anastomotic stoma, ureteral injury, etc., promotes the healing of ureteral wound and prevents stenosis after ureteral surgery.

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    The three main indications for ureteral stent placement in urinary stones are:

    1. after ureteroscopic procedures;

    2. to prevent ureteral obstruction caused by stone fragments after lithotripsy;

    3. Prophylactic insertion or dilatation before extracorporeal shock wave lithotripsy (ESWL) or flexible ureteroscopy.