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Related Experiment Video

Updated: Jan 9, 2026

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Precision Needle Localization Using Electromagnetic Tracking and AR Visualization in Ventricular Interventions.

S Choi, K Koo, T H Rho

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |December 3, 2025
    PubMed
    Summary
    This summary is machine-generated.

    This study presents an augmented reality (AR) system with electromagnetic (EM) tracking for precise external ventricular drainage (EVD) surgery. The navigation system achieved high accuracy in phantom trials, enhancing surgical safety and precision.

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    Area of Science:

    • Neurosurgery
    • Medical Imaging
    • Augmented Reality

    Background:

    • External ventricular drainage (EVD) is a critical neurosurgical procedure.
    • Enhancing surgical precision and patient safety in EVD is paramount.
    • Current navigation techniques can be improved with advanced visualization tools.

    Purpose of the Study:

    • To develop and evaluate an augmented reality (AR) system for real-time navigation during EVD catheter insertion.
    • To improve surgical precision and patient safety using electromagnetic (EM) stylet tracking.
    • To assess the accuracy and feasibility of the AR navigation system in a phantom model.

    Main Methods:

    • An AR system was developed integrating a tablet PC, 3D camera, and EM tracking.
    • Deep learning facial landmark detection and coordinate registration were used for system alignment.
    • A phantom model experiment with 20 trials was conducted for drainage procedures and accuracy measurements.

    Main Results:

    • All 20 simulated EVD drainage procedures were successfully completed.
    • The system demonstrated a mean Euclidean distance error of 1.68 ± 0.66 mm.
    • The AR system provided real-time navigation for catheter insertion with high accuracy.

    Conclusions:

    • The developed AR system shows significant potential for enhancing neurosurgical interventions like EVD.
    • Real-time navigation using EM tracking and AR can improve surgical precision and patient safety.
    • Continuous technological innovation is crucial for advancing precision in medical procedures.