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Augmented reality navigation in orthognathic surgery: Comparative analysis and a paradigm shift.

Marek Żelechowski1,2, Jokin Zubizarreta-Oteiza3, Murali Karnam4

  • 1Center for medical Image Analysis & Navigation, Department of Biomedical Engineering University of Basel Basel Switzerland.

Healthcare Technology Letters
|January 16, 2025
PubMed
Summary

Augmented reality (AR) surgical navigation using infrared tracking cameras matches traditional guide accuracy for orthognathic surgery. This technology offers enhanced precision and potential for less invasive procedures.

Keywords:
augmented realitymedical robotics

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Area of Science:

  • Surgical Navigation
  • Augmented Reality (AR)
  • Orthognathic Surgery

Background:

  • Augmented reality (AR) integration in surgery promises improved accuracy and outcomes.
  • Orthognathic surgery presents unique challenges requiring high precision.
  • Traditional drilling guides have limitations in accuracy and invasiveness.

Purpose of the Study:

  • To compare the accuracy of traditional drilling guides with AR-based navigation techniques (ArUco markers, infrared tracking) for a surgical drilling task.
  • To propose an alternative AR visualization paradigm for surgical navigation.
  • To evaluate the performance of different navigation systems in simulated surgical scenarios.

Main Methods:

  • Comparative experimental study evaluating drilling accuracy.
  • Utilized ArUco markers and small-workspace infrared tracking cameras for AR navigation.
  • Developed and tested a novel AR visualization paradigm independent of headset camera image detection.

Main Results:

  • The small-workspace infrared tracking camera system achieved accuracy comparable to conventional drilling guides.
  • AR navigation with infrared tracking surpassed ArUco marker-based navigation accuracy.
  • The proposed AR visualization paradigm addresses inaccuracies associated with image detection.

Conclusions:

  • Infrared tracking-based AR navigation shows significant potential to replace traditional guides in orthognathic surgery.
  • This technology enables more minimally invasive interventions, enhancing surgical accuracy and patient outcomes.
  • The study contributes a new AR visualization paradigm and comparative analysis for advanced surgical navigation.