Optical coherence tomography layer thickness characterization of a mock artery during angioplasty balloon deployment

Hamed Azarnoush; Sébastien Vergnole; Benoît Boulet; Guy Lamouche

doi:10.1117/12.877995

8 March 2011 Optical coherence tomography layer thickness characterization of a mock artery during angioplasty balloon deployment

Hamed Azarnoush, Sébastien Vergnole, Benoît Boulet, Guy Lamouche

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Proceedings Volume 7963, Medical Imaging 2011: Computer-Aided Diagnosis; 796328 (2011) https://doi.org/10.1117/12.877995
Event: SPIE Medical Imaging, 2011, Lake Buena Vista (Orlando), Florida, United States

Abstract

Optical coherence tomography (OCT) is used to study the deformation of a mock artery in an angioplasty simulation setup. An OCT probe integrated in a balloon catheter provides intraluminal real-time images during balloon inflation. Swept-source OCT is used for imaging. A 4 mm semi-compliant polyurethane balloon is used for experiments. The balloon is inflated inside a custom-built multi-layer artery phantom. The phantom has three layers to mock artery layers, namely, intima, media and adventitia. Semi-automatic segmentation of phantom layers is performed to provide a detailed assessment of the phantom deformation at various inflation pressures. Characterization of luminal diameter and thickness of different layers of the mock artery is provided for various inflation pressures.

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Hamed Azarnoush, Sébastien Vergnole, Benoît Boulet, and Guy Lamouche "Optical coherence tomography layer thickness characterization of a mock artery during angioplasty balloon deployment", Proc. SPIE 7963, Medical Imaging 2011: Computer-Aided Diagnosis, 796328 (8 March 2011); https://doi.org/10.1117/12.877995

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KEYWORDS

Optical coherence tomography

Arteries

Image segmentation

Polymers

GRIN lenses

Prisms

Gradient-index optics

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