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Updated: Jul 12, 2026

Technical Approach for Infrared Tracking for Soft Tissue Navigation with a Holographic Head-Mounted Display and Preclinical Validation
Published on: September 2, 2025
Development of prototype for navigated real-time sonography for the head and neck region
Matthias Helbig1, Krzysztof Krysztoforski, Pawel Krowicki
1Department of Otolaryngology, Head and Neck Surgery, University of Frankfurt/Main, Theodor Stern Kai 7, 60590 Frankfurt/Main, Germany. matthias.helbig@kgu.de
Background:
To date, few imaging methods have been established for the head and neck region, in particular for soft tissues, that allow adequate visualization and simultaneously adequate real-time orientation.
Methods:
We report a new method using a navigated ultrasound device and a navigated surgical instrument that allows--even in the absence of bony landmarks--appropriate visualization and reliable orientation in real time.
Results:
The practical applicability of the system was tested. Good handling and acceptance of the system could be shown. The "3-dimensional error" derived from the deviations in all 3 dimensions lies at 0.64 mm.
Conclusions:
With this ultrasound-guided navigated procedure, an accurate approach of soft tissue structures with a surgical instrument is possible. Changes of the situs are represented in real time.
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