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Related Experiment Videos

A simple acoustically coupled calibrator.

K Martin

    Ultrasound in Medicine & Biology
    |July 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    A new acoustically coupled device calibrates diagnostic ultrasound caliper systems, especially for linear array machines lacking electrical connections. This compact tool ensures accurate ultrasound measurements by injecting timed markers.

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    Area of Science:

    • Medical Imaging
    • Ultrasound Technology
    • Biomedical Engineering

    Background:

    • Electronic caliper systems in diagnostic ultrasound machines require accurate calibration for precise measurements.
    • Linear array ultrasound machines often present challenges for external equipment interconnection.
    • Existing calibration methods may be cumbersome or incompatible with certain ultrasound probe designs.

    Purpose of the Study:

    • To introduce a novel acoustically coupled device for calibrating electronic caliper systems in diagnostic ultrasound machines.
    • To provide a calibration solution specifically for linear array ultrasound systems where electrical connections are not feasible.
    • To enhance the accuracy and reliability of ultrasound measurements through precise caliper system calibration.

    Main Methods:

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    • The device utilizes acoustic coupling to detect the transmitter pulse from the ultrasound machine's linear array probe.
    • A single-element transducer integrated into the device captures the ultrasound pulse.
    • The captured pulse triggers the injection of precisely timed calibration markers back into the probe.
    • These markers are displayed on the real-time ultrasound machine for calibration purposes.

    Main Results:

    • The device successfully calibrates the real-time caliper system of diagnostic ultrasound machines.
    • Calibration is achievable using two distinct speed-of-sound markers: 1540 ms⁻¹ and 1600 ms⁻¹.
    • The acoustically coupled method bypasses the need for direct electrical interconnection, addressing limitations of linear array systems.
    • The device is compact and user-friendly, facilitating convenient application.

    Conclusions:

    • The described acoustically coupled device offers an effective and convenient solution for calibrating electronic caliper systems in diagnostic ultrasound machines.
    • It is particularly advantageous for linear array systems, overcoming the limitations of electrical interconnections.
    • The device ensures accurate ultrasound measurements by enabling precise calibration of caliper systems.
    • This innovation contributes to improved diagnostic accuracy in ultrasound imaging.