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Related Experiment Videos

Experience with Memokath 051 ureteral stent.

Peter Klarskov1, Jørgen Nordling, John Bugge Nielsen

  • 1Department of Urology, Glostrup Hospital, Glostrup, Denmark. petkla012@herlevhosp.kbhamt.dk

Scandinavian Journal of Urology and Nephrology
|July 16, 2005
PubMed
Summary

The Memokath 051 ureteral stent shows promise for selected patients with ureteral obstruction, but migration and obstruction are risks. Careful follow-up is essential for this thermo-expandable titanium-nickel spiral stent.

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Area of Science:

  • Urology
  • Biomaterials
  • Medical Devices

Background:

  • Ureteral stenting is crucial for managing ureteral obstructions.
  • The Memokath 051, a thermo-expandable titanium-nickel spiral, is designed for long-term ureteral stenting.

Purpose of the Study:

  • To evaluate the drainage and safety of the Memokath 051 stent in patients with ureteral strictures.

Main Methods:

  • A cohort of 33 patients with benign, post-irradiation, or malignant ureteral strictures received Memokath 051 stents.
  • Follow-up included assessments at 1 month and every 3 months for at least 1 year.

Main Results:

  • Fifteen stents remained functional throughout the follow-up period (median 14 months).
  • Twenty-two stents (59%) were non-functional due to migration (10) or malfunction (12), including obstruction by stones (4).

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  • Insertion and removal were generally easy, though challenging in post-irradiation strictures.

    • Conclusions:

    • The Memokath 051 is a viable option for specific patients with non-curable ureteral obstruction.
    • It is not recommended for functional stenosis or stone-forming patients due to risks of migration and obstruction.
    • Careful patient selection and diligent follow-up are necessary for optimal outcomes.