High-resolution in-situ LDV monitoring system for measuring velocity distribution in blood vessel

Kyoden, Tomoaki; Abe, Shotaro; Ishida, Hideaki; Akiguchi, Shunsuke; Andoh, Tsugunobu; Takada, Yogo; Teranishi, Tsunenobu; Hachiga, Tadashi

doi:10.1016/j.optcom.2015.04.075

Cited by 5 publications

(2 citation statements)

References 42 publications

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“…In figure 2, only the velocity component in the Z-direction is measured because interference fringes form in the Y direction. To measure other velocity components, it is necessary to change the incidence directions of the two laser light sheets [19]. However, because we want to measure the rotational velocity of swirling flow, only the Z-direction component was measured.…”

Section: Traversal Methods In Laser Intersection Regionmentioning

confidence: 99%

Measurement of swirling flow in a blood chamber by laser Doppler imaging system

Ishida¹,

Fujino²,

Iwamoto³

et al. 2020

Meas. Sci. Technol.

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We developed a flow visualization system based on laser Doppler velocimetry (LDV) to investigate the relationship between blood flow and blood coagulation in a blood chamber in an extracorporeal circulation circuit. Linear laser intersection was used to implement 32-point simultaneous measurement. The intersection region was traversed along the axial direction to obtain a two-dimensional (2D) velocity distribution as a contour graph. The optical assembly of the flow visualization system is very simple. Furthermore, there is no need to submerge the measurement object in a square water tank to reduce the influence of refraction and reflection. Because LDV has inherently high measurement accuracy, even slight flow velocity changes (less than 1 mm s −1 ) can be clearly identified in a blood chamber.

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Section: Traversal Methods In Laser Intersection Regionmentioning

confidence: 99%

Measurement of swirling flow in a blood chamber by laser Doppler imaging system

Ishida¹,

Fujino²,

Iwamoto³

et al. 2020

Meas. Sci. Technol.

Self Cite

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“…In 2014, Shen Sunh and Diwei He et al [23] developed an experimental system capable of high-resolution blood flow velocity imaging, achieving excellent experimental results. In 2015, KYODEN and et al [24] proposed a cross-sectional multi-point laser Doppler velocimetry system, employing a linear multi-channel measurement approach to achieve the measurement of transient 2D blood flow velocity, and obtaining transient 2D velocity distribution. In 2020, Hiroki Ishida et al [25] developed a laser Doppler-based blood flow visualization system, utilizing linear laser intersection to achieve simultaneous measurement at 32 points.…”

Section: Research Progressmentioning

confidence: 99%