Ureteric stent | 合法醫療器材資訊網

Uretericstents,alsoknownasureteralstents,doubleJstents,JJstentsorretrogradeuretericstents,areurologicalcathetersthathavetwoJ-shaped(​curled) ...

Ureteric stents, also known as ureteral stents, double J stents, JJ stents or retrograde ureteric stents, are urological catheters that have two "J-shaped" (curled) ends, where one is anchored in the renal pelvis[1] and the other inside the bladder[2].

Stents are used for the free passage of urine from the kidney[3] to the bladder, in adverse conditions such as postoperative urologic procedures, and previously for lithotripsy and ureteral obstructions.

Ureteric stents may be placed from an antegrade approach by an interventional radiologist or a retrograde approach by a urologist. Stent placement may replace a percutaneous nephrostomy[4] that has been performed in the acute setting. This is popular with patients as it internalises the method of obstruction bypass without the negatives of a nephrostomy.

Stents may be used for a short...