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Related Experiment Videos

Particle release from angiographic utensils

O Winding

    European Journal of Radiology
    |May 1, 1981
    PubMed
    Summary

    Angiographic catheters and guide-wires release over 1000 particles, containing metals like bismuth and chromium. Introducing a guide-wire significantly increases this particle release, necessitating public health limits.

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    Area of Science:

    • Materials Science
    • Biomedical Engineering
    • Medical Device Analysis

    Background:

    • Medical devices like angiographic catheters and guide-wires can shed particles during use.
    • Understanding the composition and quantity of these particles is crucial for patient safety.

    Purpose of the Study:

    • To quantify and characterize particles released from angiographic catheters and guide-wires.
    • To identify the elemental composition of released particles.
    • To assess the impact of guide-wire introduction on particle release.

    Main Methods:

    • Scanning Electron Microscopy (SEM) was used to visualize and count particles.
    • Energy Dispersive X-ray Analysis (EDAX) was employed to determine elemental composition.
    • Particles were analyzed from 100 cm long catheters, with and without guide-wire insertion.

    Main Results:

    • Over 1000 particles (>5 micrometer diameter) were released from 100 cm catheters.
    • Guide-wire insertion significantly increased particle release.
    • Particles contained elements including Bismuth (Bi), Chromium (Cr), Iron (Fe), Manganese (Mn), Aluminum (Al), Zinc (Zn), Cobalt (Co), and Silicon (Si).

    Conclusions:

    • Angiographic devices are a source of particle contamination in patients.
    • Particle release is exacerbated by the use of guide-wires.
    • Public health authorities should consider establishing limits for particle release from angiographic utensils.

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