管径连续变化的锥形机织人工血管的制备及血液流动行为仿真评价

doi:10.19398/j.att.202112020

现代纺织技术 ›› 2022, Vol. 30 ›› Issue (5): 157-166.DOI: 10.19398/j.att.202112020

管径连续变化的锥形机织人工血管的制备及血液流动行为仿真评价

孟粉叶¹, 李毓陵², 张俐敏³, 王琴华¹, 吴艳¹

1.嘉兴职业技术学院时尚设计学院, 浙江嘉兴 314000;
2.东华大学纺织学院, 上海 201620;
3.新疆大学纺织与服装学院, 乌鲁木齐 830046

收稿日期:2021-12-16 出版日期:2022-09-10 网络出版日期:2022-09-19
作者简介:孟粉叶(1983-),女,内蒙古呼和浩特人,博士研究生,主要从事纺织品设计和性能方面的研究。
基金资助:
嘉兴职业技术学院重点双高专项基金项目(jzyz202202)

Preparation and blood flow behavior evaluation of CVCWvascular grafts

MENG Fenye¹, LI Yuling², ZHANG Limin³, WANG Qinhua¹, WU Yan¹

1. Fashion Design College, Jiaxing Vocational &Technical College, Jiaxing 314000, China;
2. College of Textiles, Donghua University, Shanghai 201620;
3. College of Textile and Clothing, Xinjiang University, Urumqi 830046, China

Received:2021-12-16 Published:2022-09-10 Online:2022-09-19

摘要/Abstract

摘要： 为分析管径连续变化的锥形机织人工血管(CVCW管)的管壁结构对流体流动行为的影响,本文首先基于仿生化设计的优越性,设计并制备了不同组织结构和锥度角的9种规格的CVCW试样,测试各试样的厚度、孔隙率和渗透性等管壁结构参数和相关性能。然后采用模拟和仿真方法对血液在CVCW管管壁径向的流动行为进行评价,量化分析织物组织和锥度角这两个基本纺织结构参数对局部血液流动行为的影响。结果表明,本试验制备的CVCW管壁结构均匀,其织物组织、孔隙率和渗透性会影响流体局部的流动行为,因此,在进行人工血管的设计前必须对织物的结构给予足够的重视。

关键词: 人工血管, 锥度, 孔隙率, 渗透性, 流动性

Abstract: To analyze the influence of the wall structure on fluid flow behavior of continuous variable cross-sections woven tubular vascular grafts (CVCW), nine CVCW specimens with different wall structures and taper angles were prepared based on the advantages of biomimetic design. Their structural parameters and related properties such as thickness, porosity and water permeability were measured. Then the blood flow behavior in the axial direction of the CVCW vascular grafts was evaluated through simulation method. The effects of weave patterns and taper angles on the local blood flow behavior were quantitatively analyzed. The results show that the local blood flow behavior is affected by the factors of weave patterns, porosity, and water permeability of CVCW vascular grafts, so more attention should be paid in the future design of artificial blood vessels.

Key words: vascular grafts, taper angles, porosity, water permeability, flow behavior

中图分类号:

TS106.67

孟粉叶, 李毓陵, 张俐敏, 王琴华, 吴艳. 管径连续变化的锥形机织人工血管的制备及血液流动行为仿真评价[J]. 现代纺织技术, 2022, 30(5): 157-166.

MENG Fenye, LI Yuling, ZHANG Limin, WANG Qinhua, WU Yan. Preparation and blood flow behavior evaluation of CVCWvascular grafts[J]. Advanced Textile Technology, 2022, 30(5): 157-166.

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管径连续变化的锥形机织人工血管的制备及血液流动行为仿真评价

Preparation and blood flow behavior evaluation of CVCWvascular grafts

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