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Simple reinforcement for thin nephrostomy catheters

N Ostendorf1, H van Ahlen, L Hertle

  • 1Department of Urology, University of Münster, Germany.

The Journal of Urology
|July 2, 1998
PubMed
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A simple technique reinforces thin nephrostomy catheters by wrapping them in a larger tube, reducing mechanical stress and improving handling. This method enhances the durability of nephrostomy tubes and ureteral stents.

Area of Science:

  • Urology
  • Medical Devices
  • Nephrology

Background:

  • Nephrostomy catheters are susceptible to kinking and damage due to mechanical stress.
  • The thin, flexible silicone material of these catheters offers limited protection.

Purpose of the Study:

  • To develop a simple method for reinforcing the external portion of thin nephrostomy catheters.
  • To enhance the mechanical resilience of nephrostomy tubes and ureteral stents.

Main Methods:

  • A reinforcing large plastic tube was wrapped around the protruding part of the nephrostomy catheter or ureteral stent.
  • The outer tube was secured to the skin and collection system using adhesive tape.
  • The technique was applied to 7 pediatric patients with catheters or stents of 8F diameter or smaller.

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Main Results:

  • Improved handling of the nephrostomy catheters was observed.
  • The need for frequent re-fixation of the catheters was reduced.
  • The external reinforcement effectively protected the thin silicone tubes.

Conclusions:

  • Wrapping thin nephrostomy catheters in a larger outer tube is an effective method for protection.
  • This technique enhances the durability and usability of nephrostomy catheters and ureteral stents.
  • The described method offers a simple solution to prevent mechanical damage to indwelling urinary drainage tubes.