期刊
JOURNAL OF BIOMEDICAL OPTICS
卷 15, 期 1, 页码 -出版社
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.3292007
关键词
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资金
- Canadian Institutes of Health Research [CTP82943]
- Canadian Foundation for Innovation
- Ontario Centres of Excellence
We demonstrate the potential of a forward-looking Doppler optical coherence tomography (OCT) probe for color flow imaging in several commonly seen narrowed artery morphologies. As a proof of concept, we present imaging results of a surgically exposed thrombotic occlusion model that was imaged superficially to demonstrate that Doppler OCT can identify flow within the recanalization channels of a blocked artery. We present Doppler OCT images in which the flow is nearly antiparallel to the imaging direction. These images are acquired using a flexible 2.2-mm-diam catheter that used electrostatic actuation to scan up to 30 deg ahead of the distal end. Doppler OCT images of physiologically relevant flow phantoms consisting of small channels and tapered entrance geometries are demonstrated. (C) 2010 Society of Photo-Optical Instrumentation Engineers. [DOI: 10.1117/1.3292007]
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