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Related Experiment Video

Updated: Apr 22, 2026

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

Three-dimensional navigation system integrating position-tracking technology with a movable tablet display for

Arnaud Marien¹, Andre Castro de Luis Abreu, Mihir Desai

¹USC Institute of Urology, Center for Focal Therapy of Prostate and Kidney Cancer, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.

BJU International

|October 9, 2014

Summary

This study evaluated a new percutaneous navigation system that uses position-tracking and a movable tablet display. The system showed promise for guiding needle placement in medical procedures, offering intuitive visualization of internal anatomy.

Keywords:

navigation percutaneous positioning system surgery targeting three dimensional

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Related Experiment Videos

Last Updated: Apr 22, 2026

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

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Published on: September 2, 2025

Dynamic Navigation for Dental Implant Placement

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Published on: May 24, 2024

Area of Science:

Medical Imaging
Surgical Navigation Technology
Minimally Invasive Procedures

Background:

Percutaneous interventions require precise guidance for accurate targeting.
Existing navigation systems may lack intuitive visualization or real-time anatomical feedback.

Purpose of the Study:

To assess the feasibility of a novel percutaneous navigation system integrating position-tracking technology with a movable tablet display.
To evaluate the system's accuracy in guiding needle placement for virtual tumor ablation.

Main Methods:

A fresh cadaver model with implanted fiducial markers in the prostate and kidney was used.
Preoperative CT scans were reconstructed into 3D models and registered intra-operatively.
The system guided a tracked puncture needle using a predictive puncture line displayed on a movable tablet.

Main Results:

The system provided real-time 3D visualization of anatomy with an overlaid puncture line.
The mean virtual distance from needle tip to target was 2.5 mm.
Greater errors along the z-axis indicated potential challenges due to organ shift or deformation.

Conclusions:

The virtual navigation system is a promising advancement for percutaneous interventions.
The movable display offers an intuitive, "window-like" view of patient anatomy.
The system facilitates a direct and intuitive connection between the physician and the surgical target.