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Related Concept Videos

Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

146
Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
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Magnetic Resonance Imaging01:24

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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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Related Experiment Video

Updated: Sep 28, 2025

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

Published on: April 21, 2013

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Magnetic Tracking System for Heart Surgery.

Rubing Jin, Byunghoo Jung

    IEEE Transactions on Biomedical Circuits and Systems
    |March 29, 2022
    PubMed
    Summary

    A new magnetic tracking system precisely monitors medical catheters during heart procedures. This real-time system enhances cardiac ablation accuracy and safety, offering a non-invasive alternative to current imaging methods.

    Area of Science:

    • Medical Devices
    • Biomedical Engineering
    • Cardiology

    Background:

    • Cardiac ablation is a minimally invasive procedure to correct heart rhythm issues.
    • Current catheter positioning methods are often invasive, inaccurate, and rely on imaging.
    • There is a need for improved real-time catheter tracking during cardiac procedures.

    Purpose of the Study:

    • To develop a unique real-time tracking system for medical catheters inside the human heart.
    • To achieve fast update rates and high precision in catheter positioning.
    • To provide a non-invasive and accurate alternative to existing methods.

    Main Methods:

    • A magnetic field-based positioning method was developed.
    • The system incorporates an efficient solution algorithm.

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

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    Related Experiment Videos

    Last Updated: Sep 28, 2025

    Remote Magnetic Navigation for Accurate, Real-time Catheter Positioning and Ablation in Cardiac Electrophysiology Procedures
    09:13

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

    Published on: April 21, 2013

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    Magnetic Resonance Derived Myocardial Strain Assessment Using Feature Tracking
    07:21

    Magnetic Resonance Derived Myocardial Strain Assessment Using Feature Tracking

    Published on: February 12, 2011

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

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  • Novel magnetic field detection hardware and software were designed for real-time tracking.

    • Main Results:

    • The system achieved a fast update rate of 200 Hz.
    • High precision of 1.6 mm was demonstrated for catheter positioning.
    • The magnetic tracking system does not require line-of-sight and supports a wide dynamic range.

    Conclusions:

    • The developed magnetic tracking system offers precise, real-time catheter positioning for cardiac procedures.
    • This technology can improve the accuracy and safety of cardiac ablation.
    • The system has potential applications in other medical fields requiring real-time positioning.