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Related Experiment Videos

Anser EMT: the first open-source electromagnetic tracking platform for image-guided interventions.

Herman Alexander Jaeger1,2, Alfred Michael Franz3, Kilian O'Donoghue4

  • 1IHU Strasbourg, Strasbourg, France. h.jaeger@umail.ucc.ie.

International Journal of Computer Assisted Radiology and Surgery
|March 31, 2017
PubMed
Summary

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This summary is machine-generated.

An open-source electromagnetic tracking (EMT) system, Anser, offers a flexible and cost-effective solution for research in image-guided interventions. This system achieves high accuracy and integrates with existing medical imaging toolkits, overcoming limitations of current commercial EMT platforms.

Area of Science:

  • Medical Imaging and Navigation
  • Open-Source Technology in Healthcare

Background:

  • Electromagnetic tracking (EMT) is crucial for clinical navigation without line of sight.
  • Existing clinical EMT systems lack flexibility and are costly for research.
  • Understanding EMT characterization and limitations requires accessible research platforms.

Purpose of the Study:

  • To introduce Anser, an open-source electromagnetic tracking system.
  • To enable research into EMT for image-guided interventions.
  • To address the limitations of current commercial EMT systems.

Main Methods:

  • Implementation schematics for a low-cost EMT system using National Instruments and Arduino hardware.
  • MATLAB support code for acquisition and demodulation.
Keywords:
Electromagnetic trackingImage guidanceImage-guided surgeryOpen sourceOpenIGTLink

Related Experiment Videos

  • Performance comparison with commercial platforms using the Hummel assessment protocol.

    • Main Results:

    • Reported positional accuracy of 1.14 mm and angular rotation accuracy of [Formula: see text].
    • Anser, like other EMT platforms, is susceptible to eddy current and ferromagnetic distortion.
    • Compatibility with commercial EMT sensors and OpenIGTLink for integration with MITK and 3D Slicer.

    Conclusions:

    • The open-source Anser platform facilitates research into EMT.
    • Collaborative approaches using Anser can overcome current EMT limitations.
    • Promotes novel investigations in image-guided interventions.