15 March 2016 Cuffing-based photoacoustic flowmetry in humans at depths in the diffusive regime
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Abstract
Using a handheld photoacoustic probe, we proposed a cuffing-based method to quantify blood flow speed in humans. By cuffing and releasing the blood vessel, we can measure the blood flow speed downstream. In phantom experiments, we demonstrated that the minimum and maximum measurable flow speeds were 0.035 mm/s and 42 mm/s, respectively. In human experiments, flow speeds were measured in three different blood vessels: a radial artery in the right forearm, a radial artery in the index finger of the right hand, and a radial vein in the right forearm.
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Yong Zhou, Jinyang Liang, Lihong V. Wang, "Cuffing-based photoacoustic flowmetry in humans at depths in the diffusive regime", Proc. SPIE 9708, Photons Plus Ultrasound: Imaging and Sensing 2016, 970847 (15 March 2016); doi: 10.1117/12.2217467; https://doi.org/10.1117/12.2217467
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