Ureteral stents
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Ureteral stents are thin plastic tubes inserted into the ureter in order to prevent or treat obstruction of the urine flow from the kidney. The length of ureteral stents can vary approximately from 24 to 30 cm. To prevent stents from moving out of place, one or both ends of the tool may be curled up. Ureteral stents ensure the patency of the ureter, that is compromised by a kidney stone. When there is a need to hold ureters open, the indwelling time is indicated for 12 months or more. Stents, that are left in the ureter for about a week, are placed because of irritation or scratches left during ureteroscopy, which included the stone removal.
After procedure with ureteral stents, can occur some side effects like blood in the urine, pain in the kidney, bladder, or groin, pain in the kidney while or after urination, and increased urgency and frequency of urination. These side effects are usually temporary and disappear right after ureteral stents are removed. The removal of ureteral stents is a matter of a few seconds by pulling on the thread with a constant force without any pauses. The removal is easy, so it can be done not only by a nurse, but also by a patient.
Ureteral stents provide extra softness and adapt to body temperature. The placement is easy and provide maximum comfort because of soft bladder curl design, which reduces irritation, the sense of foreign body inside the patient and trauma during removal. Tissue ingrowth is prevented by the polymeric material that ureteral stents are covered.
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