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Dynamic Mechanical Properties of Biodegradable Stents
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WANG Yihan1,DOU Hongjing1,SUN Kang1,SUN Kun2,FENG Qimao2
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(1. State Key Laboratory of Metal Matrix Composites, Shanghai Jiaotong University, Shanghai 200240, China; 2. Shanghai Children’s Medical Center, Shanghai 200127, China)
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Abstract Permanent metallic stents are associated with limitations such as continued biological interaction with the surrounding tissue, thrombosis and mismatch to the vessel size. Thus, biodegradable stents woven by polydioxanone (PDO) fiber were studied. The dynamic mechanical properties of the fiber and the stents were tested with DMTA. The results show that different weaving methods impact the mechanical properties of the stents.
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Received: 19 December 2008
Published: 30 November 2010
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