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A spatial registration method based on 2D-3D registration for an augmented reality spinal surgery navigation system.

Jingqi Zhang1, Zhiyong Yang1, Shan Jiang1

  • 1School of Mechanical Engineering, Tianjin University, Tianjin, China.

The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS
|December 19, 2023
PubMed
Summary

A new spatial registration method enhances augmented reality (AR) spinal surgery navigation. This 2D/3D registration technology achieves high accuracy for minimally invasive procedures.

Keywords:
2D/3D registrationaugmented realityminimally invasive spinal surgeryspatial registrationsurgery navigation

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Area of Science:

  • Medical Imaging
  • Surgical Navigation
  • Augmented Reality

Background:

  • Accurate image guidance is crucial for augmented reality (AR) spinal surgery.
  • A novel spatial registration method has been developed to meet this need.

Purpose of the Study:

  • To propose and evaluate a spatial registration method for AR spinal surgery navigation.

Main Methods:

  • Utilized grayscale-based 2D/3D registration technology.
  • Registered preoperative CT images with intraoperative X-ray images for spatial alignment.
  • Achieved fusion of virtual images with the real spine.

Main Results:

  • Achieved a 90% success rate in spine model registration.
  • Reported a surface registration error ranging from 0.361 to 0.612 mm.
  • Obtained a total average surface registration error of 0.501 mm.

Conclusions:

  • The 2D/3D registration method is suitable for AR spinal surgery navigation.
  • The proposed method offers high accuracy and supports minimally invasive surgery.