NDLI: Monitoring the wall mechanics during stent deployment in a vessel.

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Monitoring the wall mechanics during stent deployment in a vessel.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Steinert, Brian D. Zhao, Shijia Gu, Linxia
Description	Country affiliation: United States Author Affiliation: Steinert BD ( Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, USA.)
Abstract	Clinical trials have reported different restenosis rates for various stent designs. It is speculated that stent-induced strain concentrations on the arterial wall lead to tissue injury, which initiates restenosis. This hypothesis needs further investigations including better quantifications of non-uniform strain distribution on the artery following stent implantation. A non-contact surface strain measurement method for the stented artery is presented in this work. ARAMIS stereo optical surface strain measurement system uses two optical high speed cameras to capture the motion of each reference point, and resolve three dimensional strains over the deforming surface. As a mesh stent is deployed into a latex vessel with a random contrasting pattern sprayed or drawn on its outer surface, the surface strain is recorded at every instant of the deformation. The calculated strain distributions can then be used to understand the local lesion response, validate the computational models, and formulate hypotheses for further in vivo study.
File Format	HTM / HTML
e-ISSN	1940087X
DOI	10.3791/3945
Journal	Journal of Visualized Experiments
Issue Number	63
Language	English
Publisher	MyJove Corp.
Publisher Date	2012-05-08
Publisher Place	United States
Access Restriction	Open
Subject Keyword	Discipline Physical Sciences Discipline Life Sciences Discipline Medicine Blood Vessels Models, Cardiovascular Stents Latex Surface Properties Research Support, U.s. Gov't, Non-p.h.s. Video-audio Media
Content Type	Text
Resource Type	Article

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