Technical Brief

Development of a Metallic Biodegradable Stent Based on Microgalvanic Corrosion1

[+] Author and Article Information
Rajib Barua, David L. Frost

Department of Mechanical Engineering,
McGill University,
817 Sherbrooke Street West,
Montreal QC H3A 0C3, Canada

Huseyin Aydin, Sriraman K. Rajagopalan, Stephen Yue

Department of Mining and Materials Engineering,
McGill University,
3610 University Street,
Montreal QC H3A 2B2, Canada

Olivier F. Bertrand

Quebec Heart and Lung Institute,
Laval University,
2725 Chemin Sainte-Foy,
Quebec City QC G1V 4G5, Canada

Rosaire Mongrain

Department of Mechanical Engineering,
McGill University,
817 Sherbrooke Street West,
Montreal QC H3A 0C3, Canada

Accepted and presented at the Design of Medical Devices Conference (DMD2014), Minneapolis, MN, April 7-10, 2014. DOI: 10.1115/1.4027012

Manuscript received February 21, 2014; final manuscript received February 28, 2014; published online April 28, 2014. Editor: Arthur G. Erdman.

J. Med. Devices 8(2), 020913 (Apr 28, 2014) (2 pages) Paper No: MED-14-1041; doi: 10.1115/1.4027012 History: Received February 21, 2014; Revised February 28, 2014

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Garg, S., and Serruys, P. W., 2010, “Coronary Stents: Current Status,” J. Am. College Cardiol., 56(10), pp. S1–S42. [CrossRef]
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Mongrain, R., Almangour, B., Yue, S., and Bertrand, O. F., 2012, “Development of a New Metallic Stent for Improved Mechanical and Corrosion Properties,” 10th Annual Endovascular Biomechanics and Restenosis Symposium (EBR'2012), Marseille, France, May 3–4.
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Barua, R., Aydin, H., Yue, S., Frost, D. L., Bertrand, O. F., and Mongrain, R., 2013, “Degradation Behavior of Nanostructured Stent Materials Using Cold Spray,” ASME 2013 Summer Bioengineering Conference (SBC2013), Sunriver, OR, June 26–29, ASME Paper No. SBC2013-14662. [CrossRef]
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Grahic Jump Location
Fig. 1

Particle size distribution: (a) iron; (b) 316 L

Grahic Jump Location
Fig. 2

SEM images of (a) iron, and (b) 316 L particle

Grahic Jump Location
Fig. 3

Corrosion rate of the degraded samples

Grahic Jump Location
Fig. 4

(a) Stent minitube; (b) laser cut stentlike structure




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