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Updated: Jul 18, 2026
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Technical Approach for Infrared Tracking for Soft Tissue Navigation with a Holographic Head-Mounted Display and Preclinical Validation
Published on: September 2, 2025
[Visualization and real-time tracking of the instruments in surgical navigation system]
Yanping Lin1, Wenqiang Zhang, Chengtao Wang
1School of Mechanical and Power Engineering. Shanghai Jiaotong University, Shanghai 200030, China. Yanping-lin@sjtu.edu.cn
Summary
This study visualizes surgical instruments in real-time using 3D models for enhanced surgical navigation. Precise tracking and display of instrument models improve surgical accuracy and safety.
Area of Science:
- Medical Imaging
- Computer-Aided Surgery
- Biomedical Engineering
Context:
- Surgical navigation systems require accurate visualization of instruments.
- Real-time tracking is crucial for intraoperative guidance.
- Existing methods may lack precision in instrument representation.
Purpose:
- To develop a method for direct visualization and real-time tracking of surgical instruments.
- To transform CAD solid models into surface models for system integration.
- To enhance the security and precision of surgical operations through improved navigation.
Summary:
- Utilizes CAD solid models, transformed into surface models, for instrument visualization.
- Instruments are equipped with locators for precise characterization and tracking.
- Intraoperative registration aligns CT models with patient anatomy for accurate STL model display.
Impact:
- Enables precise, real-time visualization of surgical instruments within the navigation system.
- Forms the foundation for advanced surgical navigation, improving operational outcomes.
- Contributes to enhanced safety and accuracy in minimally invasive procedures.
