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Flow Analysis in Damaged Venous Valves Installed with an Artificial Venous Valve

Authors
Kim, Hyoung-HoKim, Kyung-WukChoi, Young HoLee, Chang JeSun, Sang Won
Issue Date
Jun-2021
Publisher
KOREAN SOC MECHANICAL ENGINEERS
Keywords
Vein; Venous Valve; Artificial Venous Valve; Computational Fluid Dynamics
Citation
TRANSACTIONS OF THE KOREAN SOCIETY OF MECHANICAL ENGINEERS B, v.45, no.6, pp 333 - 340
Pages
8
Indexed
SCOPUS
ESCI
KCI
Journal Title
TRANSACTIONS OF THE KOREAN SOCIETY OF MECHANICAL ENGINEERS B
Volume
45
Number
6
Start Page
333
End Page
340
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/3668
DOI
10.3795/KSME-B.2021.45.6.333
ISSN
1226-4881
Abstract
There exist various treatment methods for varicose veins, such as high ligation, stripping, sclerotherapy, radiofrequency ablation, and laser ablation. However, these are palliative treatment methods. Artificial venous valves are expected to reproduce the normal functions of venous valves. We performed a basic study on the development of artificial venous valves. An artificial venous valve that is based on fluid mechanics and capable of reproducing the functions of human venous valves was designed and evaluated through flow analysis simulations. Two types of damaged human venous valves and an artificial venous valve that can be installed with endovascular approach were designed. A total of 16 cases of flow analysis were performed according to the presence of the artificial venous valve, installation location, and normal or reflux blood flow. An analysis of the flow rate, wall shear stress, and velocity vector demonstrated that the stagnant flow around the venous valve can be resolved if the artificial venous valve is installed behind the damaged venous valve.
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Kim, Hyoung Ho
우주항공대학 (항공우주공학부)
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