関連する実験動画

Updated: May 6, 2026

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section
11:00

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section

Published on: July 19, 2016

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流動ダイバーターステントの導入後の血液流動分析のための計算効率の高いCFD方法の開発と治療計画への適用

Soichiro Fujimura1,2, Haruki Kanebayashi2,3, Kostadin Karagiozov4

  • 1Department of Mechanical Engineering, Tokyo University of Science, Tokyo 125-8585, Japan.

Bioengineering (Basel, Switzerland)
|August 28, 2025
PubMed
まとめ

新しい計算流動力学 (CFD) 方法は,効率的なフローディバーターステント (FDS) 分析のために多孔性メディアモデルを使用しています. このアプローチは脳内動脈瘤の治療計画にかかる計算コストを大幅に削減します.

キーワード:
計算式流体力学フローディバーターステント血液動力学頭蓋内動脈瘤毛穴のあるメディアモデル

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関連する概念動画

Blood Flow01:29

Blood Flow

Blood is pumped by the heart into the aorta, the largest artery in the body, and then into increasingly smaller arteries, arterioles, and capillaries. The velocity of blood flow decreases with increased cross-sectional blood vessel area. As blood returns to the heart through venules and veins, its velocity increases. The movement of blood is encouraged by smooth muscle in the vessel walls, the movement of skeletal muscle surrounding the vessels, and one-way valves that prevent backflow.
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Flow Cytometry01:23

Flow Cytometry

The development of flow cytometry techniques began in 1934 with initial attempts by Andrew Moldavan, a bacteriologist who counted the cells in a flowing capillary system. Moldavan pumped cells through a capillary tube focused under a microscope for visualization. The invention of photometry allowed the measurement of differentially-stained cells, and Louis Kamentsky developed the first multiparameter flow cytometer in 1965 to identify and count the cancer cells in cervical tissue specimens.
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Applications of Integration to Find Blood Flow01:27

Applications of Integration to Find Blood Flow

Blood flow through a cylindrical blood vessel can be mathematically described using the principles of laminar flow, a regime in which fluid moves smoothly in parallel layers. In this model, the velocity of the blood is not uniform across the cross-section of the vessel; rather, it varies with the radial distance from the center. The maximum velocity occurs along the central axis, decreasing progressively toward the vessel walls, where it reaches zero due to viscous drag.Approximating Blood...
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