Design of a novel polymeric heart valve

G. Burriesci, F. Cavallo Marincola, C. Zervides

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Polymeric heart valves could offer an optimum alternative to current prostheses, by joining the advantages of mechanical and bioprosthetic valves. Though a number of materials suitable for this application have recently become available, significant improvements in the valve design are still needed. In this paper, a novel polymeric heart valve design is proposed and its optimization procedure, based on the use of finite elements, is described. The design strategy was aimed at reducing the energy absorbed during the operating cycle, resulting in high hydrodynamic performances and reduced stress levels. The efficacy of the design strategy was assessed by comparing the valve dynamics and stress levels predicted numerically during the cycle with those of an existing and well qualified polymeric valve design. The improved hydrodynamic performance of the proposed design was confirmed experimentally, by in vitro testing in a pulse duplicator.

Original languageEnglish
Pages (from-to)7-22
Number of pages16
JournalJournal of Medical Engineering and Technology
Volume34
Issue number1
DOIs
Publication statusPublished - 1 Jan 2010
Externally publishedYes

Keywords

  • Design optimization
  • Finite elements
  • Heart valve design
  • Polymeric heart valves

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