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using specified research methods and/or diagnostic imaging devices are presented. The microstructure of the aortic valve is also described and its impact on material properties definition introduced. The various ways of describing the aortic valve leaflet anisotropic properties are mentioned. Often exploited simplifications and their impact on the simulation results is also presented.
introduced into an organism must afford sufficient mechanical and biochemical properties and meet the criteria of the biomaterial. Materials intended to take over the function of natural tissue materials should be characterized to the greatest extent by similar mechanical properties. The authors of many publications describing the results of strength tests of biological tissues show different ways of researching them. In many cases, the form of the test material preparation is different because of anisotropy of biological tissue. This study provides an overview of selected methods for the tensile tests characterizing the mechanical properties of the heart valves, pericardium and porcine aortas. We also present results of our study of mechanical properties of the natural porcine tissues.
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