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

Jin-Jia Hu, Po Ching Lu, Ching Wen Lou, Mong Chuan Lee, Jia Horng Lin

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)42-45
Number of pages4
JournalMaterials Letters
Volume171
DOIs
Publication statusPublished - 2016 May 15

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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