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Updated: Jan 26, 2026
06:18
Pedicle Screw Placement Using an Augmented Reality Head-Mounted Display in a Porcine Model
Published on: May 24, 2024
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Implementation of augmented reality support in spine surgery.
Barbara Carl1, Miriam Bopp2,3, Benjamin Saß2
1Department of Neurosurgery, University Marburg, Baldingerstrasse, 35033, Marburg, Germany. carlb@med.uni-marburg.de.
Summary
Augmented reality (AR) in spine surgery enhances 3-D anatomy visualization for surgeons. This straightforward workflow uses intraoperative CT for accurate navigation, improving surgical outcomes and reducing radiation exposure.
Area of Science:
- Neurosurgery
- Medical Imaging
- Surgical Technology
Background:
- Augmented reality (AR) offers potential for enhanced surgical visualization.
- Spine surgery requires precise navigation due to complex anatomy.
Purpose of the Study:
- To implement a straightforward workflow for augmented reality (AR) support in spine surgery.
- To evaluate the accuracy and feasibility of an AR system integrated with intraoperative imaging.
Main Methods:
- Utilized intraoperative computed tomography (iCT) for navigation registration in 10 spinal lesion surgeries.
- Integrated preoperative multimodal images with iCT via nonlinear registration.
- Employed automatic segmentation for 3-D visualization of vertebrae, tumors, and implants.
Main Results:
- Achieved high navigation accuracy (mean error ~1 mm) with automatic registration.
- Demonstrated a straightforward AR workflow easily integrated into surgical procedures.
- Reduced effective radiation dose by 70% using low-dose iCT protocols.
- Provided intuitive 3-D visualization of segmented structures via microscope heads-up display.
Conclusions:
- Successfully implemented a microscope-based AR environment for spine surgery.
- Confirmed iCT's role in ensuring high navigational accuracy.
- Concluded that AR significantly aids surgeons in understanding 3-D anatomy, facilitating procedures.
Keywords:
Augmented realityIntraoperative computed tomographyLow-dose computed tomographyNavigation registrationSpine tumor surgeryMore Related Videos
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