Fluoroscopic 3D reconstruction of coronary stents

Robert A. Close; Craig A. Morioka; James Stuart Whiting

doi:10.1117/12.274014

2 May 1997 Fluoroscopic 3D reconstruction of coronary stents

Robert A. Close, Craig A. Morioka, James Stuart Whiting

Proceedings Volume 3032, Medical Imaging 1997: Physics of Medical Imaging; (1997) https://doi.org/10.1117/12.274014
Event: Medical Imaging 1997, 1997, Newport Beach, CA, United States

Abstract

The goal of this work is to demonstrate the feasibility of 3D imaging of coronary stents using fluoroscopy. This technique could potentially provide an inexpensive and non- invasive alternative to stent inspection by intravascular ultrasound. The major difficulty to e overcome is real or apparent motion of the stent between successive views. We solve this problem by tracking a feature point ont he stent prior to performing the 3D reconstruction. We shifted the images to eliminate this apparent motion, then reconstructed the 3D stent image using iterative backprojection. The stent cross-sectional images are successfully reconstructed with spatial resolution of approximately 0.4 mm. This successful reconstruction of a coronary stent in vitro demonstrates the feasibility of 3D imaging of coronary stents using fluoroscopy.

Citation Download Citation

Robert A. Close, Craig A. Morioka, and James Stuart Whiting "Fluoroscopic 3D reconstruction of coronary stents", Proc. SPIE 3032, Medical Imaging 1997: Physics of Medical Imaging, (2 May 1997); https://doi.org/10.1117/12.274014

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