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Related Experiment Videos

A new simple power injector.

J Leslie, K Amplatz, D Korbuly

    AJR. American Journal of Roentgenology
    |March 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    A novel pneumatic-hydraulic injection device for clinical angiography offers a unique square wave velocity profile. This simple, safe, and compact injector reduces recoil and human error, improving diagnostic procedures.

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    Area of Science:

    • Medical Devices
    • Cardiovascular Imaging
    • Biomedical Engineering

    Background:

    • Clinical angiography requires precise and controlled injection of contrast media.
    • Existing injection devices may have limitations in velocity control, safety, and ease of use.

    Purpose of the Study:

    • To introduce and evaluate a new simple pneumatic-hydraulic injection device for clinical angiography.
    • To highlight the unique features and advantages of this novel injector.

    Main Methods:

    • Construction and testing of a novel pneumatic-hydraulic injection device.
    • Utilization of disposable plastic syringes for smooth injectate buildup.
    • Evaluation of velocity profile, triggering mechanisms, and safety features.

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    Main Results:

    • The device produces a unique square wave velocity curve with immediate rise time.
    • Disposable syringes convert plunger velocity into smooth injectate buildup, reducing recoil.
    • The injector offers advantages in size, design simplicity, and safety, minimizing shock hazards and human error.

    Conclusions:

    • The new pneumatic-hydraulic injection device is a safe, simple, and effective tool for clinical angiography.
    • Its unique velocity profile and design features offer significant advantages over existing commercial devices.