Title :
Protocols for the viscoelastic analysis of porcine aortic valve leaflets: validation through QLV theory
Author :
Carew, E.O. ; Barber, J.E. ; Vesely, I.
Author_Institution :
Lerner Res. Inst., Cleveland Clinic Found., OH, USA
Abstract :
Protocols for analyzing the viscoelastic behavior of the porcine aortic valve were compared for accuracy in predicting the stress resulting from a sawtooth strain waveform. Protocols that account for material memory or allow complete material recovery between tests were found to be the most accurate
Keywords :
biological tissues; biomechanics; cardiology; prosthetics; stress-strain relations; tensile testing; viscoelasticity; QLV theory; cyclic preconditioning state; material memory; material recovery between tests; porcine aortic valve leaflets; sawtooth strain waveform; sequential testing; soft tissues; stress prediction; tensile tests; viscoelastic analysis protocols; Biological materials; Biomedical materials; Capacitive sensors; Elasticity; History; Materials testing; Predictive models; Protocols; Valves; Viscosity;
Conference_Titel :
[Engineering in Medicine and Biology, 1999. 21st Annual Conference and the 1999 Annual Fall Meetring of the Biomedical Engineering Society] BMES/EMBS Conference, 1999. Proceedings of the First Joint
Conference_Location :
Atlanta, GA
Print_ISBN :
0-7803-5674-8
DOI :
10.1109/IEMBS.1999.802222
