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Related Concept Videos

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Related Experiment Video

Updated: Feb 5, 2026

Robotics in Surgery: A Modular Robotic Platform Driven Gastric Wedge Resection
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Suture Breakage Warning System for Robotic Surgery.

Ahmad Abiri, Syed J Askari, Anna Tao

    IEEE Transactions on Bio-Medical Engineering
    |September 13, 2018
    PubMed
    Summary

    A new haptic feedback system (HFS) significantly reduces suture breakage during robotic surgery. This technology provides vibration cues to surgeons, improving knot quality and preventing clinical complications without hindering performance.

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    Area of Science:

    • Robotics
    • Surgical Technology
    • Biomedical Engineering

    Background:

    • Robotic surgery lacks haptic feedback, leading to excessive force application and suture breakage.
    • Existing suture breakage warning systems rely on visual/auditory feedback, increasing cognitive load and reducing operator performance.

    Purpose of the Study:

    • To introduce and validate a novel sensing technology and haptic feedback system (HFS) for robotic surgery.
    • To reduce suture failure instances and improve knot quality during robotic procedures.

    Main Methods:

    • Developed a shear sensor for the da Vinci robotic system's grasper to detect suture tension.
    • Integrated the sensor with an HFS that provides vibration feedback to the operator near the material's failure load.
    • Compared suture breakage and knot fidelity in knots tied with and without HFS.

    Main Results:

    • HFS significantly reduced suture failure instances (p = 0.0078).
    • Knots tied with HFS demonstrated improved quality, with less slippage (p = 0.010).
    • The system did not negatively impact operator performance outcomes.

    Conclusions:

    • The HFS is valuable for enhancing robotic surgery outcomes.
    • It effectively reduces suture failures and improves knot integrity.
    • The system minimizes the need for corrective measures in robotic procedures.