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Updated: Mar 11, 2026

Remote Magnetic Navigation for Accurate, Real-time Catheter Positioning and Ablation in Cardiac Electrophysiology Procedures

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HUMaN: Handheld Ultrasound System with Magnetic Needle Navigation.

Sangbum Kye^1,2, Minsung Cho¹, Min Kim²

¹Department of Electronic Engineering, Sogang University, Seoul, Korea.

Ultrasonography (Seoul, Korea)

|March 9, 2026

Summary

This summary is machine-generated.

A new handheld ultrasound system with magnetic needle navigation (HUMaN) offers precise needle localization for improved ultrasound-guided procedures. This system integrates real-time 3D magnetic tracking for enhanced accuracy and portability.

Keywords:

3D needle localization Handheld ultrasound device Magnetic needle tracking Needle guidance system Point-of-care ultrasound Portable medical device Ultrasound-guided intervention

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Area of Science:

Medical Imaging
Biomedical Engineering
Ultrasound Technology

Background:

Needle tip visualization is critical but challenging in ultrasound-guided procedures.
Current methods often lack precision or portability for point-of-care applications.

Purpose of the Study:

To develop and evaluate a handheld ultrasound system with magnetic needle navigation (HUMaN).
To integrate real-time 3D magnetic tracking with ultrasound imaging in a compact device.

Main Methods:

Designed a dual-board system with an ultrasound probe and magnetic needle guidance module.
Superimposed tracked needle trajectory onto ultrasound images.
Assessed in vivo imaging feasibility, needle localization accuracy, and thermal stability.

Main Results:

Achieved sub-millimeter needle localization accuracy (mean bias < 0.1 mm, precision < 0.3 mm).
Successfully demonstrated in vivo ultrasound imaging.
Device surface temperature remained below safety limits during extended operation.

Conclusions:

HUMaN offers accurate needle localization with integrated ultrasound imaging in a handheld, bracket-free design.
The system is suitable for portable, point-of-care ultrasound procedures.