Coronary stents are metallic tubes inserted in coronary arteries to treat cardiovascular diseases. The Palmaz-Schatz®, Stent is the most representative member of the family of slot stents. In this paper, the impact of the geometry of the stent on its expansion behaviours was investigated using the ANSYS 9.0 finite element analysis (FEA) software. Several design cases, with the presence of a certain stenosed coronary artery, were selected for our research investigation. Results of the analysis, including expansion and radial displacement, radial recoil percentage, foreshortening percentage and von Mises stress distribution of various stents have been compared and discussed. This revealed significant potential relationships between the geometry of the stent and its expansion behaviours.
IFIP International Federation for Information Processing Series : Knowledge Enterprise : Intelligent Strategies in Product Design, Manufacturing, and Management : [Proceedings] PROLOMAT 2006 : IFIP TC5 International Conference, Shanghai, China, 15-17 June 2006, Vol. 207, p. 735-742