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Updated: Oct 2, 2025

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

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

Published on: September 2, 2025

Intraoperative Navigation in Plastic Surgery with Augmented Reality: A Preclinical Validation Study.

Hayeem L Rudy¹, Jillian S Schreiber¹, Nicole Wake¹

¹From the Division of Plastic and Reconstructive Surgery and Department of Radiology, Montefiore Medical Center, Albert Einstein College of Medicine; and Montefiore 3D Printing and Innovation Laboratory.

Plastic and Reconstructive Surgery

|February 23, 2022

Summary

Augmented reality holographic alignment achieved an average accuracy of 1.35 mm in guiding surgical markings. This technology shows promise for reliable clinical integration in plastic surgery.

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Last Updated: Oct 2, 2025

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Area of Science:

Medical technology
Surgical navigation
Augmented reality applications

Background:

Augmented reality (AR) enables interaction with digital content, including 3D holograms, in real-world settings.
Intraoperative AR may enhance surgical precision and decision-making.
Accurate hologram-to-patient alignment is crucial for AR's surgical utility.

Purpose of the Study:

To quantify the accuracy of aligning a soft tissue hologram to a patient.
To assess the reliability of AR for guiding surgical interventions.

Main Methods:

A mannequin face was marked with reference points and incision patterns.
3D photographs were converted into holograms and uploaded to a wearable AR device (HoloLens).
Users aligned the hologram to the mannequin and traced markings; accuracy was measured by comparing 3D photographs.

Main Results:

Holographic alignment achieved an average accuracy of 1.35 ± 0.24 mm.
Lateral facial markings were harder to reproduce accurately than midline markings.

Conclusions:

Holographic markings can be translated onto a surface with sub-millimeter accuracy.
AR navigation demonstrates potential for practical and reliable clinical use in plastic surgery.