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Related Experiment Video

Updated: Feb 2, 2026

Endaural Endoscopic Atticoantrotomy Retrograde Mastoidectomy using a Constant Suction Bone-drilling Technique
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Bone Drilling Breakthrough Detection via Energy-Based Signal.

Danny Ho, Tingguang Li, Q-H Meng

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |November 17, 2018
    PubMed
    Summary

    A new energy-based signal, removal energy density (eb), accurately detects breakthrough during bone drilling. This method offers a more consistent signal than traditional force profiles, simplifying detection across various drilling parameters.

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    Area of Science:

    • Biomedical Engineering
    • Mechanical Engineering
    • Surgical Technology

    Background:

    • Accurate detection of breakthrough during bone drilling is critical for surgical safety and efficacy.
    • Traditional methods relying on force profiles can be inconsistent and difficult to interpret due to variations in drilling parameters.

    Purpose of the Study:

    • To introduce a novel energy-based signal, removal energy density (eb), for detecting breakthrough in bone drilling.
    • To establish the relationship between eb and key drilling parameters (speed, feed rate, drill bit radius).
    • To demonstrate the consistency and effectiveness of the eb signal compared to traditional force profiles.

    Main Methods:

    • Derivation of the removal energy density (eb) signal from energy conversion and conservation principles during drilling.
    • Utilizing recursive least squares with a time forgetting factor to estimate eb from drilling parameters and torque data.
    • Conducting experimental validation on porcine bone models.

    Main Results:

    • The proposed removal energy density (eb) signal exhibits a consistent profile across varying drilling speeds and feed rates.
    • The eb signal demonstrates greater consistency compared to traditional force profiles.
    • Experimental results confirm the effectiveness of the eb signal for breakthrough detection.

    Conclusions:

    • The novel energy-based removal energy density (eb) signal provides a reliable method for detecting breakthrough in bone drilling.
    • This approach simplifies threshold setting and improves detection accuracy, offering advantages over conventional force-based methods.
    • The findings support the potential of the eb signal for enhancing surgical procedures involving bone drilling.