[Influence of bionic texture coronary stent on hemodynamics after implantation].
Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
; 39(2): 339-346, 2022 Apr 25.
Article
em Zh
| MEDLINE
| ID: mdl-35523555
ABSTRACT
To explore the influence of bionic texture coronary stents on hemodynamics, a type of bioabsorbable polylactic acid coronary stents was designed, for which a finite element analysis method was used to carry out simulation analysis on blood flow field after the implantation of bionic texture stents with three different shapes (rectangle, triangle and trapezoid), thus revealing the influence of groove shape and size on hemodynamics, and identifying the optimal solution of bionic texture groove. The results showed that the influence of bionic texture grooves of different shapes and sizes on the lower wall shear stress region had a certain regularity. Specifically, the improvement effect of grooves above 0.06 mm on blood flow characteristics was poor, and the effect of grooves below 0.06 mm was good. Furthermore, the smaller the size is, the better the improvement effect is, and the 0.02 mm triangular groove had the best improvement effect. Based on the results of this study, it is expected that bionic texture stents have provided a new method for reducing in-stent restenosis.
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Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Biônica
/
Modelos Cardiovasculares
Tipo de estudo:
Prognostic_studies
Idioma:
Zh
Ano de publicação:
2022
Tipo de documento:
Article