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A uni-directional urethral force gauge.

G L Hosker, G H Ward

    Clinical Physics and Physiological Measurement : an Official Journal of the Hospital Physicists' Association, Deutsche Gesellschaft Fur Medizinische Physik and the European Federation of Organisations for Medical Physics
    |May 1, 1985
    PubMed
    Summary
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    This study introduces a novel urethral force gauge for precise measurement of female urethral forces. The device offers improved directional accuracy, aiding in understanding urethral closure mechanisms.

    Area of Science:

    • Urology
    • Biomedical Engineering
    • Medical Device Development

    Background:

    • Existing urethral transducers lack sufficient circumferential resolution.
    • Previous methods are inadequate for assessing the directional distribution of urethral occlusive forces.
    • Understanding force distribution is crucial for evaluating female urethral function.

    Purpose of the Study:

    • To describe a novel urethral force gauge with uni-directional measurement capabilities.
    • To assess the gauge's reliability and robustness in clinical investigations.

    Main Methods:

    • Development of a urethral force gauge utilizing two semiconductor strain gauges.
    • Sensor mounted on a 14 F silicone rubber catheter tip.
    • Uni-directional sensitivity to forces across approximately 20 degrees of the urethral circumference.

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    Main Results:

    • The novel gauge provides uni-directional measurement of urethral occlusive forces.
    • The device demonstrated reliability and robustness in investigations.
    • Successfully used in the study of 232 female patients.

    Conclusions:

    • The developed urethral force gauge offers superior circumferential resolution compared to previous transducers.
    • This advancement enables detailed assessment of directional urethral occlusive forces.
    • The gauge is a reliable and robust tool for clinical urological research.