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

Experimental studies on an efficient catheter array imaging system

M O'Donnell1, B M Shapo, M J Eberle

  • 1Electrical Engineering and Computer Science Department, University of Michigan, Ann Arbor 48109-2122, USA.

Ultrasonic Imaging
|April 1, 1995
PubMed
Summary
This summary is machine-generated.

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

The effective coupling coefficient for a completed PIN-PMN-PT array.

Ultrasonics·2020
Same author

GABA<sub>A</sub> receptor subtype involvement in addictive behaviour.

Genes, brain, and behavior·2016
Same author

Testosterone regulates bone response to inflammation.

Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme·2014
Same author

Deletion of the GABAA α2-subunit does not alter self administration of cocaine or reinstatement of cocaine seeking.

Psychopharmacology·2014
Same author

The influence of test experience and NK1 receptor antagonists on the performance of NK1R-/- and wild type mice in the 5-Choice Serial Reaction-Time Task.

Journal of psychopharmacology (Oxford, England)·2013
Same author

Deletion of alpha-synuclein decreases impulsivity in mice.

Genes, brain, and behavior·2011
Same journal

A Multi-Task Segmentation and Classification Network Based on Ultrasound Images for Predicting the Grading of Ascites in the Abdominal Cavity.

Ultrasonic imaging·2026
Same journal

Hybrid Physics-Driven Deep Learning for Enhanced Ultrasound Image Quality and Speckle Noise Suppression.

Ultrasonic imaging·2026
Same journal

Application of Super-Resolution Ultrasound Contrast Imaging in Differentiating Benign From Malignant Breast Tumors.

Ultrasonic imaging·2026
Same journal

A Novel Preprocessing Method for Common Carotid Artery Ultrasound Images Based on Phase Asymmetry Metric and Non-subsampled Shearlet Transform.

Ultrasonic imaging·2026
Same journal

Generalized Null Subtraction Factor: A Post-Filtering Framework for Contrast Enhancement in Ultrafast Ultrasound Imaging.

Ultrasonic imaging·2026
Same journal

Fourier Beamforming of Ultrasound Signals From Chirp Transmits Using the Chirp Scaling Algorithm.

Ultrasonic imaging·2026
See all related articles

A novel synthetic aperture imaging system for intraluminal applications demonstrates high spatial resolution and effective sidelobe reduction using optimal reconstruction filters. This catheter-based system shows promise for detailed imaging within coronary arteries.

Area of Science:

  • Medical Imaging
  • Ultrasound Technology
  • Biomedical Engineering

Background:

  • Intraluminal imaging requires high-resolution techniques for visualizing delicate vascular structures.
  • Conventional ultrasound methods face limitations in achieving sufficient detail for coronary artery applications.
  • Synthetic aperture (SA) imaging offers potential for enhanced resolution in medical ultrasound.

Purpose of the Study:

  • To evaluate a new synthetic aperture system for intraluminal imaging.
  • To assess the system's performance in terms of spatial resolution and sidelobe reduction.
  • To demonstrate the system's capability for imaging vascular tissue.

Main Methods:

  • A 32-element, 20 MHz circular array on a coronary catheter was utilized.

Related Experiment Videos

  • An optimal reconstruction method was employed, modified for reduced grating lobes.
  • New data acquisition strategies and optimal reconstruction filters were developed.
  • Imaging was performed on a wire target phantom and an excised porcine femoral artery segment.

    • Main Results:

    • Spatial resolution was a linear function of depth, with a minimum beam width of approximately 2.2 wavelengths.
    • Optimal reconstruction filters reduced inherent high sidelobe levels to at least -20 dB.
    • Successful intraluminal imaging of a porcine femoral artery was achieved, demonstrating system performance.

    Conclusions:

    • The developed synthetic aperture system offers effective intraluminal imaging capabilities.
    • The modified data acquisition and optimal reconstruction significantly improve image quality.
    • This technology shows potential for advanced diagnostics in cardiovascular applications.