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Related Experiment Videos

Double pigtail ureteral stent.

H K Mardis, T W Hepperlen, H Kammandel

    Urology
    |July 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    A novel double pigtail ureteral stent effectively addresses issues like migration and irritation seen with single stents. This improved design offers a valuable alternative for managing ureteral obstruction.

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    Area of Science:

    • Urology
    • Biomedical Engineering

    Background:

    • Single pigtail ureteral catheters (stents) are used for ureteral obstruction but present challenges.
    • Common problems include positioning difficulties, proximal migration, and bladder mucosa irritation from the distal flange.

    Purpose of the Study:

    • To introduce and evaluate a new double pigtail modification of ureteral stents.
    • To overcome the limitations of existing single pigtail stents in managing ureteral obstruction.

    Main Methods:

    • Development of a double pigtail ureteral stent design.
    • Assessment of the stent's performance in limiting migration and irritant side effects.
    • Evaluation of ease of positioning via endoscopic, percutaneous, and open surgical approaches using a springwire guide.

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    Main Results:

    • The double pigtail stent design effectively limits proximal migration.
    • Minimizes irritant side effects on the bladder mucosa.
    • Facilitates easier positioning during various surgical procedures.

    Conclusions:

    • The double pigtail ureteral stent is a significant improvement over single pigtail designs.
    • It offers a valuable alternative to surgical correction or external diversion for complicated ureteral obstruction.
    • This modification enhances patient outcomes and procedural efficiency.