Stenosed anthropomorphic vascular phantoms for digital subtraction angiography, magnetic resonance, and Doppler ultrasound investigations

Robert F. Smith; R. Frayne; Michel Moreau; Brian K. Rutt; Aaron Fenster; David W. Holdsworth

doi:10.1117/12.174260

1 May 1994 Stenosed anthropomorphic vascular phantoms for digital subtraction angiography, magnetic resonance, and Doppler ultrasound investigations

Robert F. Smith, R. Frayne, Michel Moreau, Brian K. Rutt, Aaron Fenster, David W. Holdsworth

Author Affiliations +

Proceedings Volume 2163, Medical Imaging 1994: Physics of Medical Imaging; (1994) https://doi.org/10.1117/12.174260
Event: Medical Imaging 1994, 1994, Newport Beach, CA, United States

Abstract

A method to construct anthropomorphic vascular flow phantoms which incorporate disease states (e.g., stenosis) has been developed. The new technique is an adaptation of an existing technique that fabricates disease free vascular phantoms. Using the modified process, three carotid artery bifurcation phantoms have been built. One phantom was free of stenotic disease, and the other two phantoms have geometries corresponding to (1) a 70% concentric stenosis, and (2) a 70% eccentric stenosis in the internal carotid artery. Collectively, these three phantoms allow for comparative research between and in vitro evaluation of a number of medical imaging instruments, including (1) x-ray based systems (e.g., digital subtraction angiography and computed tomography), (2) Magnetic Resonance Imaging (MRI) scanners, and (3) Doppler Ultrasound (US) instruments. Here, representative images from x-ray and MR imaging instruments are shown. Pulsed Doppler US velocity spectra collected within the lumen of the phantoms are also presented.

Citation Download Citation

Robert F. Smith, R. Frayne, Michel Moreau, Brian K. Rutt, Aaron Fenster, and David W. Holdsworth "Stenosed anthropomorphic vascular phantoms for digital subtraction angiography, magnetic resonance, and Doppler ultrasound investigations", Proc. SPIE 2163, Medical Imaging 1994: Physics of Medical Imaging, (1 May 1994); https://doi.org/10.1117/12.174260

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