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Antegrade internal ureteral stenting: a technical refinement.

J C Hackethorn, S R Boren, C T Dotter

    Radiology
    |September 1, 1985
    PubMed
    Summary
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    A new double pigtail ureteral stent made of polyurethane offers easy placement and minimal bladder irritation. This innovative stent remained functional for an average of 8 months in patients, demonstrating its effectiveness and patient comfort.

    Area of Science:

    • Urology
    • Biomaterials Science
    • Medical Device Engineering

    Background:

    • Ureteral stents are commonly used to maintain ureteral patency.
    • Traditional stents can cause significant patient discomfort and bladder irritation.
    • Optimal placement of the proximal pigtail in the renal pelvis can be challenging.

    Purpose of the Study:

    • To describe a novel, pliable, double pigtail internal ureteral stent.
    • To evaluate the ease of placement and clinical performance of this new stent design.
    • To assess the stent's potential to minimize bladder irritation.

    Main Methods:

    • Development of an elastomeric polyurethane double pigtail ureteral stent.
    • Utilized a combination of a pusher device and an absorbable suture for stent placement.

    Related Experiment Videos

  • Clinical evaluation of stent functionality and patient-reported outcomes, focusing on bladder irritation.

    • Main Results:

    • The described ureteral stent is pliable and easy to place.
    • The tapered distal pigtail design effectively minimized bladder irritation.
    • Ten stents were successfully implanted in eight patients, remaining functional for a mean of 8 months (range, 2-14 months) without reported bladder irritation.

    Conclusions:

    • The novel double pigtail ureteral stent demonstrates promising clinical utility.
    • The stent design facilitates optimal placement and reduces patient discomfort.
    • This polyurethane stent offers a safe and effective solution for maintaining ureteral patency.