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Technical Brief

A Biomechanical Study on the Effects of Struts of Z-Shaped Stent-Grafts on the Blood Vessel Wall Tissue Layers1

[+] Author and Article Information
Kai Yu, Fanqiu Hu

Institute for Minimally Invasive Therapy,
University of Shanghai for Science and Technology,
Shanghai 200093, China

Xuelian Gu

Institute for Minimally Invasive Therapy,
University of Shanghai for Science and Technology,
Shanghai 200093, China
e-mail: guxuelian@usst.edu.cn

2K. Yu and F. Hu contributed equally to this work.

3Corresponding author.

DOI: 10.1115/1.4033874Manuscript received March 1, 2016; final manuscript received March 17, 2016; published online August 1, 2016. Editor: William Durfee.

J. Med. Devices 10(3), 030940 (Aug 01, 2016) (2 pages) Paper No: MED-16-1134; doi: 10.1115/1.4033874 History: Received March 01, 2016; Revised March 17, 2016

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References

Kleinstreuer, C. , Li, Z. , Basciano, C. A. , Seelecke, S. , and Farber, M. A. , 2008, “ Computational Mechanics of Nitinol Stent Grafts,” J. Biomech., 41(11), pp. 2370–2378. [CrossRef] [PubMed]
Demanget, N. , Avril, S. , Badel, P. , Orgéas, L. , Geindreau, C. , Albertini, J.-N. , and Favre, J.-N. , 2012, “ Computational Comparison of the Bending Behavior of Aortic Stentgrafts,” J. Mech. Behav. Biomed. Mater., 5(1), pp. 272–282. [CrossRef] [PubMed]
Senf, B. , von Sachsen, S. , Neugebauer, R. , Drossel, W.-G. , Florek, H.-J. , Mohr, F. W. , and Etz, C. D. , 2014, “ The Effect of Stent Graft Oversizing on Radial Forces Considering Nitinol Wire Behavior and Vessel Characteristics,” Med. Eng. Phys., 36(11), pp. 1480–1486. [CrossRef] [PubMed]
Schiavone, A. , Zhao, L. G. , and Abdel-Wahab, A. A. , 2014, “ Effects of Material, Coating, Design and Plaque Composition on Stent Deployment Inside a Stenotic Artery—Finite Element Simulation,” J. Manuf. Sci. Eng., 42, pp. 479–488.
Timmins, L. H. , Moreno, M. R. , Meyer, C. A. , Criscione, J. C. , Rachev, A. , and Moore, J. E., Jr. , 2007, “ Stented Artery Biomechanics and Device Design Optimization,” Med. Biol. Eng. Comput., 45(5), p. 505513. [CrossRef]
Nematzadeh, F. , and Sadrnezhaad, S. K. , 2012, “ Effects of Material Properties on Mechanical Performance of Nitinol Stent Designed for Femoral Artery: Finite Element Analysis,” Sci. Iran., 19(6), pp. 1564–1571. [CrossRef]
Balossino, R. , Gervaso, F. , Migliavacca, F. , and Dubini, G. , 2008, “ Effects of Different Stent Designs on Local Hemodynamics in Stented Arteries,” J. Biomech., 41(5), pp. 1053–1061. [CrossRef] [PubMed]
Prendergast, P. J. , Lally, C. , Daly, S. , Reid, A. J. , Lee, T. C. , Quinn, D. , and Dolan, F. , 2003, “ Analysis of Prolapse in Cardiovascular Stents: A Constitutive Equation for Vascular Tissue and Finite-Element Modelling,” ASME J. Biomech. Eng., 125(5), pp. 692–699. [CrossRef]

Figures

Grahic Jump Location
Fig. 1

Comparison diagram of the stress state of media tissue

Grahic Jump Location
Fig. 2

Comparison diagram of the stress state of intima tissue

Grahic Jump Location
Fig. 3

Comparison diagram of luminal tissue prolapse

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