Using a weft-knitting technique to make elastic degradable vascular stents |
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| Authors: | Kwo-Chang Ueng Ching-Wen Lou Shih-Peng Wen Shih-Ya Chou Jia-Horng Lin |
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| Affiliation: | 1.Division of Cardiology, Department of Internal Medicine,Chung Shan Medical University Hospital,Taichung,Taiwan, R.O.C.;2.School of Medicine,Chung Shan Medical University,Taichung,Taiwan, R.O.C.;3.Institute of Biomedical Engineering and Materials Science,Central Taiwan University of Science and Technology,Taichung,Taiwan, R.O.C.;4.Laboratory of Fiber Application and Manufacturing, Department of Fiber and Composite Materials,Feng Chia University,Taichung,Taiwan, R.O.C.;5.School of Chinese Medicine,China Medical University,Taichung,Taiwan, R.O.C.;6.Department of Fashion Design,Asia University,Taichung,Taiwan, R.O.C. |
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| Abstract: | This study aims to develop reticular, tubular polyvinyl alcohol (PVA) vascular stents, and then examines their structure and properties. PVA fibers are knitted, followed by being immersed in a polycaprolactone (PCL) solution and thermally treated in order to form vascular stents. The test results indicate that the combination of a loop structure of knits and the PCL film that is adhered to fibers can effectively form elastic, compression-resistant PVA vascular stents. The vascular stents retain a stabilized path after an in vitro degradation, and thus this study successfully creates the desired elastic PVA vascular stents. |
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