Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Microdevice's susceptibility difference based MRI positioning system, a preliminary investigation.

O Felfoul1, S Martel, G Beaudoin

  • 1Dept.of Comput. Eng., Montreal Univ., Que., Canada.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference
|February 3, 2007
PubMed
Summary

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Sequence-based genome-wide association study reveals host genomic regions and candidate genes influencing the fecal microbiota of Holstein cows.

Journal of dairy science·2025
Same author

The fecal microbiota of Holstein cows is heritable and genetically correlated to dairy performances.

Journal of dairy science·2024
Same author

Characterization of bovine vaginal microbiota using 16S rRNA sequencing: associations with host fertility, longevity, health, and production.

Scientific reports·2024
Same author

Short communication: Bifidobacterium abundance in the faecal microbiota is strongly associated with milk traits in dairy cattle.

Animal : an international journal of animal bioscience·2024
Same author

Manganese-rhodium nanoparticles: Adsorption on titanium oxide surfaces and catalyst for syngas reactions.

The Journal of chemical physics·2024
Same author

Time localized tilted beams in nearly-degenerate laser cavities.

Scientific reports·2024

This study presents a novel magnetic positioning technique for microdevices in MRI scans. Using MRI phase images, it accurately measures magnetic distortions for precise endovascular navigation.

Area of Science:

  • Biomedical Engineering
  • Medical Imaging
  • Interventional Radiology

Background:

  • Developing precise positioning techniques for endovascular microdevices is crucial for minimally invasive procedures.
  • Magnetic Resonance Imaging (MRI) offers excellent soft-tissue visualization but requires accurate methods for device localization.

Purpose of the Study:

  • To develop and evaluate a magnetic positioning technique for magnetically propelled endovascular microdevices within an MRI system.
  • To assess the feasibility of using MRI phase images for real-time magnetic field measurements and device tracking.

Main Methods:

  • Described various magnetic positioning options for endovascular navigation.
  • Detailed a magnetic positioning technique leveraging MRI phase imaging to detect magnetic distortions caused by ferromagnetic materials.

Related Experiment Videos

  • Utilized gradient echo phase images to analyze positioning accuracy on a carbon steel sphere.

    • Main Results:

    • Successfully demonstrated a magnetic positioning system using MRI phase images.
    • Quantified magnetic distortions induced by a 1.5875 mm diameter carbon steel sphere.
    • Achieved accurate positioning results, validating the proposed technique.

    Conclusions:

    • The proposed MRI-based magnetic positioning technique is effective for guiding endovascular microdevices.
    • Phase imaging in MRI provides a viable method for measuring magnetic field perturbations for precise device navigation.
    • This technique holds promise for enhancing the safety and efficacy of image-guided endovascular interventions.