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Performance of selected flow-restricting infusion devices

D F Capes1, D Asiimwe

  • 1School of Pharmacy, Curtin University of Technology, Bentley, Australia. david_capes@bdap.com.sq

American Journal of Health-System Pharmacy : AJHP : Official Journal of the American Society of Health-System Pharmacists
|March 21, 1998
PubMed
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Six infusion devices were tested for flow rate accuracy. Five devices met manufacturer specifications, but results varied based on endpoint definition and refrigerated storage.

Area of Science:

  • Biomedical Engineering
  • Medical Device Technology

Background:

  • Accurate fluid delivery is critical in medical treatments.
  • Flow-restricting infusion devices are commonly used for controlled drug administration.

Purpose of the Study:

  • To evaluate the flow rate accuracy and continuity of six different flow-restricting infusion devices.
  • To assess the impact of temperature and storage conditions on device performance.

Main Methods:

  • Tested Homepump, Infusor, Intermate, Paragon, Sidekick, and Springfusor 10 devices.
  • Measured flow rate gravimetrically at various temperatures and flow rates.
  • Investigated the effect of refrigerated storage on elastomeric devices.

Main Results:

Related Experiment Videos

  • Paragon showed near-constant flow; others had variable profiles.
  • Five of six devices met specifications under recommended conditions, except Sidekick.
  • Endpoint definition significantly affected results for most devices.
  • Refrigerated storage altered Intermate device performance.

    • Conclusions:

    • Most tested infusion devices demonstrate acceptable flow rate accuracy within manufacturer specifications.
    • Device performance can be influenced by endpoint definition and pre-use storage conditions.
    • Further research into optimizing infusion device performance under varied conditions is warranted.