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Small-diameter vascular grafts composed of polyester/spandex fibers: Manufacturing techniques and property evaluations

机译:由聚酯/氨纶纤维组成的小直径血管移植物:制造技术和性能评估

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摘要

This study aims to examine the properties of the small-diameter vascular grafts that are made by incorporating polyester (PET) yarns and spandex fibers. PET and spandex fibers are warp-knitted or weft knitted into tubular knits. These two tubular knits are combined with polyvinyl alcohol (PVA) by applying a freezing-thawing method in order to create vascular grafts. The physical properties of vascular grafts are tested by performing tensile tests and a compliance test. The test results indicate that the incorporation of spandex fibers increases the deformation level along the axial direction of the warp knitted tubular knits. In addition, the vascular grafts that are made of spandex fibers have a greater compliance than that of the commercially available vascular grafts (i.e., ePTFE) and natural blood vessels. (C) 2016 Elsevier B.V. All rights reserved.
机译:这项研究旨在检查通过掺入聚酯(PET)纱线和氨纶纤维制成的小直径血管移植物的性能。 PET和氨纶纤维经编或纬编成管状针织物。通过应用冻融方法将这两种管状针织物与聚乙烯醇(PVA)结合在一起,以形成血管移植物。血管移植物的物理性质通过进行拉伸测试和顺应性测试进行测试。试验结果表明,氨纶纤维的掺入增加了经编管状针织物沿轴向的变形水平。另外,由斯潘德克斯纤维制成的血管移植物具有比市售血管移植物(即,ePTFE)和天然血管更大的顺应性。 (C)2016 Elsevier B.V.保留所有权利。

著录项

  • 来源
    《Materials Letters》 |2016年第may15期|42-45|共4页
  • 作者单位

    Natl Cheng Kung Univ, Dept Biomed Engn, Tainan 70101, Taiwan;

    Feng Chia Univ, Dept Fiber & Composite Mat, Lab Fiber Applicat & Mfg, Taichung 40724, Taiwan;

    Cent Taiwan Univ Sci & Technol, Inst Biomed Engn & Mat Sci, Taichung 40601, Taiwan;

    Cent Taiwan Univ Sci & Technol, Grad Inst Biotechnol, Taichung 40601, Taiwan;

    Feng Chia Univ, Dept Fiber & Composite Mat, Lab Fiber Applicat & Mfg, Taichung 40724, Taiwan|China Med Univ, Sch Chinese Med, Taichung 40402, Taiwan|Asia Univ, Dept Fash Design, Taichung 41354, Taiwan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Vascular grafts; Spandex fiber; Polyester yarns; Tubular knit; Biomaterials; Fiber technology;

    机译:血管移植物;氨纶纤维;涤纶纱;管状针织;生物材料;纤维技术;

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