Abstract
The self expandable Nitinol stents or stentgrafts are typically used for miniinvasive treatment of stenosis and aneurysms in the cardiovascular system. The leakage or the shift of stent are some typical disadvantages, that can be related among other in the construction of the stent.
The problem is that the mechanical properties, dimensions and the dynamical properties of the stent do not exactly correspond to the properties of the vessel or generally of tissue where this stent is introduced. The measurement, the description and the comparison of the relations between the mechanical properties of stents and tissues can be one of the possible ways to minimize these disadvantages.
We measured and compared the mechanical parameters of different selfexpandable Nitinol stents, which differed in geometry, in the type of construction and in the diameter of used wire.