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

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Preoperative planning for intraoperative navigation guidance.

Shahbaaz A Sabri¹, Philip J York¹

¹Department of Orthopedic Surgery, University of Colorado School of Medicine, Aurora, CO, USA.

Annals of Translational Medicine

|February 8, 2021

Summary

Intraoperative navigation systems enhance spinal surgery accuracy. Proper planning, including patient positioning and reference array placement, is crucial for optimizing workflow and avoiding common surgeon pitfalls with these advanced tools.

Keywords:

Navigation O-arm intraoperative navigation mobile CT

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Optimizing Minimally Invasive Spine Surgery: A Fully 3D CT O-Arm Navigated Workflow in MIS TLIF

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Area of Science:

Neurosurgery
Medical Technology

Background:

Intraoperative navigation is increasingly adopted for spinal procedures.
Various navigation platforms with diverse features are available.
Understanding fundamental navigation concepts is essential for preoperative planning.

Purpose of the Study:

To review current literature on intraoperative navigation for spinal surgery.
To guide surgeon decision-making regarding navigation technology.
To provide tips and techniques for utilizing navigation and avoiding pitfalls.

Main Methods:

Literature review of current scientific articles on intraoperative navigation.
Classification of navigation platforms based on image acquisition and motion restriction.
Discussion of preoperative considerations: patient positioning, reference array placement, instrumentation sequence.

Main Results:

Navigation platforms are categorized by image acquisition (imageless vs. image-based) and motion restriction (active vs. passive).
Imageless systems use preoperative images; image-based systems use intraoperative imaging for accuracy.
Active navigation restricts instrument trajectory; passive navigation displays projected trajectories without restriction.

Conclusions:

Appropriate preoperative planning significantly improves intraoperative navigation workflow.
Understanding navigation system classifications aids in selecting the appropriate technology.
Detailed knowledge of navigation techniques helps surgeons avoid common errors and enhance surgical outcomes.