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Note: Reflection-type micro multipoint laser Doppler velocimeter for measuring velocity distributions in blood vessels

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8 Author(s)
Ishida, H. ; Toyama National College of Technology, 1-2 Ebie-Neriya, Imizu, Toyama 933-0293, Japan ; Kobayashi, D. ; Shirakawa, H. ; Andoh, T.
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We have developed a laser Doppler velocimeter (LDV) for measuring velocity distributions in blood vessels. We converted a transmission-based LDV into a reflection-based LDV to make it suitable for clinical applications. The velocity distribution image of a serpentine flow channel obtained could be qualitatively explained by the numerical results. Finally, we evaluated the system by using it to measure injection of blood into a glass tube by a syringe pump. The results obtained demonstrate that erythrocytes can be used as seeding particles for the reflection-type micro multipoint LDV. The results obtained are useful as basic data for clinical applications.

Published in:

Review of Scientific Instruments  (Volume:82 ,  Issue: 7 )