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Related Experiment Videos

Maximum flow rates for microcatheters

R L Mani, M J Kellett

    Radiology
    |March 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    This study determined maximum safe flow rates for microcatheters (4 French gauge or less) using automatic injectors. Results show feasible use of injectors with various microcatheter sizes and lengths.

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    Area of Science:

    • Medical Devices
    • Interventional Radiology
    • Vascular Access

    Background:

    • Microcatheters, defined as devices with outer diameters of 4 French gauge or less, are crucial in minimally invasive procedures.
    • Understanding their performance limits, particularly flow rates, is essential for safe and effective clinical application.

    Purpose of the Study:

    • To determine the bursting and maximum safe flow rates of microcatheters when used with automatic injectors.
    • To assess the feasibility of employing automatic injectors across a range of microcatheter sizes and lengths.

    Main Methods:

    • Testing of five microcatheter sizes, ranging from 2 to 4 French in outer diameter.
    • Evaluation of catheter performance under conditions simulating automatic injector use, focusing on flow dynamics and pressure limits.

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    Main Results:

    • Characterization of maximum flow rates for various microcatheter sizes and lengths.
    • Demonstration of the feasibility of using automatic injectors with microcatheters within the tested range.

    Conclusions:

    • Automatic injectors can be safely employed with microcatheters.
    • The study provides critical data on flow rates, informing procedural planning and device selection in interventional radiology.