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Related Experiment Videos

Memokath: a second generation of intraprostatic spirals

A L Poulsen1, J Schou, H Ovesen

  • 1Department of Urology, Herlev Hospital, Denmark.

British Journal of Urology
|September 1, 1993
PubMed
Summary

This study introduces the Memokath intraprostatic spiral for treating prostatic outflow obstruction in high-risk patients. The device showed an 83% success rate, offering a safe and effective alternative to surgery.

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Area of Science:

  • Urology
  • Biomaterials Science
  • Medical Devices

Background:

  • Prostatic outflow obstruction affects many elderly men, often posing surgical risks.
  • Alternative treatments are needed for patients who are poor surgical candidates or refuse surgery.

Purpose of the Study:

  • To evaluate the safety and efficacy of the Memokath intraprostatic spiral for relieving infravesical prostatic obstruction.
  • To assess patient satisfaction and identify potential complications associated with the device.

Main Methods:

  • A prospective study involving 30 consecutive patients (median age 79) with prostatic outflow obstruction.
  • Insertion of the Memokath spiral (titanium nickel alloy with shape memory effect) under ultrasonic guidance.
  • Device activation and removal using temperature-controlled water flushing.

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Main Results:

  • An 83% success rate was observed in relieving prostatic outflow obstruction.
  • No device migration occurred; however, encrustations were a persistent issue.
  • Most patients reported satisfaction with the procedure, citing its quick, safe, and effective nature.

Conclusions:

  • The Memokath intraprostatic spiral is a promising, minimally invasive option for managing prostatic outflow obstruction in select patients.
  • While effective, potential complications like encrustations require further investigation and management strategies.
  • Long-term efficacy and safety data are needed due to the short follow-up period.