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Related Experiment Videos

A simple method to lock large mushroom-tip catheters.

H B D'Agostino1, E vanSonnenberg, R B Sanchez

  • 1Department of Radiology, University of California San Diego Medical Center 92103.

Radiology
|February 1, 1992
PubMed
Summary
This summary is machine-generated.

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A novel locking mechanism for large-bore Malecot catheters significantly reduces dislodgment. This simple suture-based design prevents catheter wing collapse, enhancing secure placement and patient outcomes.

Area of Science:

  • Medical Devices
  • Surgical Technology
  • Urology

Background:

  • Large-bore Malecot catheters are prone to dislodgment, a significant clinical challenge.
  • Catheter dislodgment can lead to complications and necessitate revision procedures.

Purpose of the Study:

  • To describe and evaluate a novel locking mechanism for large-bore Malecot catheters.
  • To assess the efficacy of the locking mechanism in preventing catheter dislodgment.

Main Methods:

  • A locking mechanism using a suture attached to the distal mushroom tip was designed.
  • Seventeen Malecot catheters with this locking mechanism were placed in 15 patients over 32 months.

Main Results:

  • One catheter (out of 17) dislodged due to initial suture failure.

Related Experiment Videos

  • A design modification to the suture prevented subsequent failures.
  • The mechanism effectively prevented Malecot catheter wing collapse.

    • Conclusions:

    • The described simple locking mechanism is effective in preventing dislodgment of large-bore Malecot catheters.
    • This innovation enhances catheter stability and secure placement.
    • Further implementation may improve patient care by reducing complications associated with catheter displacement.