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Related Experiment Video

Updated: Apr 22, 2026

Technical Approach for Infrared Tracking for Soft Tissue Navigation with a Holographic Head-Mounted Display and Preclinical Validation
10:25

Technical Approach for Infrared Tracking for Soft Tissue Navigation with a Holographic Head-Mounted Display and Preclinical Validation

Published on: September 2, 2025

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A new navigation system for radius osteotomy surgery based on holographic computing: An in vitro study.

D Mayorga-Naranjo, C García-Espert, C Ramírez-Fuentes

    Acta Orthopaedica Belgica
    |April 21, 2026
    PubMed
    Summary

    Mixed reality surgical navigation significantly improves accuracy in derotational radius osteotomies. This holographic system offers a reproducible and simple technique for enhanced surgical precision.

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    Area of Science:

    • Orthopaedic Surgery
    • Medical Technology
    • Computer Science

    Background:

    • Mixed reality (MR) surgical navigation systems are established in orthopaedics for shoulder and knee procedures.
    • The application of MR navigation for radius osteotomies remains largely unexplored.

    Purpose of the Study:

    • To develop and assess an MR-based navigation system for derotational radius osteotomies.
    • To evaluate the accuracy and reproducibility of this novel holographic navigation system.

    Main Methods:

    • A holographic computing software (C++ integrable in MRTK 2) was developed for Microsoft Hololens 2.
    • Custom positioners and trackers were designed for MR recognition and spatial relationship tracking.
    • Forty-one radius biomodels underwent rotational osteotomies using both freehand and navigated techniques by a consultant and a resident, followed by CT analysis.

    Main Results:

    • The navigated system achieved a median error of 1º, significantly outperforming the freehand technique's median error of 11º (p<0.05).
    • Osteotomy accuracy was not compromised by increased surgical magnitudes with the navigated system.
    • The MR navigation system demonstrated superior accuracy and reproducibility, with no significant inter-surgeon variability.

    Conclusions:

    • Holographic computerization-based surgical navigation enhances the accuracy of radius rotational osteotomies.
    • The system's reproducibility and simplicity position it as a promising technique for future surgical navigation applications.