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Related Experiment Video

Updated: Jun 20, 2026

Pedicle Screw Placement Using an Augmented Reality Head-Mounted Display in a Porcine Model
06:18

Pedicle Screw Placement Using an Augmented Reality Head-Mounted Display in a Porcine Model

Published on: May 24, 2024

Enhancing pedicle screw placement training with a visual tracking guide template in augmented reality navigation.

Peihai Zhang1, Kai Zhang1, Huiting Liu2

  • 1Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua Medicine, Tsinghua University, Beijing, China.

Frontiers in Medicine
|June 19, 2026
PubMed
Summary

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This study introduces a visual tracking guide template (VTGT) for augmented reality (AR) navigation, proving its feasibility for surgical training in pedicle screw placement for junior residents.

Area of Science:

  • Surgical simulation
  • Augmented reality applications
  • Medical training technologies

Background:

  • Pedicle screw placement is a critical spinal procedure requiring high precision.
  • Traditional training methods may not fully replicate the complexities of surgical navigation.
  • Augmented reality (AR) offers potential for enhanced surgical guidance and training.

Purpose of the Study:

  • To present a prototype visual tracking guide template (VTGT) for AR navigation.
  • To assess the initial feasibility of VTGT-based AR navigation for surgical training.
  • To evaluate the effectiveness in a simulated pedicle screw placement exercise.

Main Methods:

  • Junior residents utilized AR devices with the VTGT for simulated pedicle screw placement on spine models.
Keywords:
augmented realitynavigationpedicle screw placementtrainingvisual tracking guide template

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Last Updated: Jun 20, 2026

Pedicle Screw Placement Using an Augmented Reality Head-Mounted Display in a Porcine Model
06:18

Pedicle Screw Placement Using an Augmented Reality Head-Mounted Display in a Porcine Model

Published on: May 24, 2024

A Spine Robotic-Assisted Navigation System for Pedicle Screw Placement
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A Spine Robotic-Assisted Navigation System for Pedicle Screw Placement

Published on: May 11, 2020

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  • Navigation accuracy was quantified by measuring deviation in entry point (DVEP) and trajectory angle (DVTA).
  • Clinical feasibility and safety were assessed via operation time, user experience, and the Gertzbein-Robbins scale.

    • Main Results:

    • The study involved five junior residents placing 100 K-wires with an average time of 36.4 seconds per K-wire.
    • Average user experience score was high at 87.8 points.
    • Navigation errors were DVEP of 2.20 mm ± 0.55 mm and DVTA of 2.30° ± 0.78°, with all placements meeting clinical safety standards.

    Conclusions:

    • The VTGT-based AR navigation technology is demonstrated as feasible and beneficial for training.
    • This technology can enhance the learning curve for junior residents in pedicle screw placement.
    • VTGT offers a promising tool for improving surgical simulation and training outcomes.