首页> 外文会议>2010 International Forum on Biomedical Textile Materials(2010国际纺织生物医用论坛) >Microstructure and Properties Analysis of Small Diameter ePTFE Arterial Prostheses
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Microstructure and Properties Analysis of Small Diameter ePTFE Arterial Prostheses

机译:小直径ePTFE动脉假体的组织和性能分析

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The objective of the study was to compare the different properties of small diameter graft samples based on the microstructure and in vitro mechanical properties analyzing. The present study was undertaken to analyze the properties of two commercial small diameter ePTFE arterial prosthesis from UK. Besides two different diameters domestic ePTFE prosthesis from another company also undertook all tests. Microstructure analyzing included the geometry and morphology of the ePTFE prostheses' wall structure. In vitro testing consisted of measuring the physical and mechanical properties of the grafts, such as the water permeability, tensile strength and surface properties. Besides comparing the different properties of the four graft samples, tests were also included analyzing the relationship between structure and mechanical properties. The results provide a useful comparison between the imported and domestic prosthesis, and explain the relative mechanical performance of these different models of arterial prostheses.
机译:该研究的目的是基于微观结构和体外力学性能分析,比较小直径移植物样品的不同性能。进行本研究以分析来自英国的两种市售小直径ePTFE动脉假体的特性。除了两种不同直径的另一家公司的国产ePTFE假体外,还进行了所有测试。微观结构分析包括ePTFE假体壁结构的几何形状和形态。体外测试包括测量移植物的物理和机械性能,例如透水性,抗张强度和表面性能。除了比较四种移植物样品的不同性能外,还包括分析结构与力学性能之间关系的测试。结果提供了进口假体与家用假体之间的有用比较,并解释了这些不同模型的动脉假体的相对机械性能。

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