Thermoelastic analysis of high pressure angioplasty balloons

Dulieu-Barton, J.M., Eaton-Evans, J., Little, E.G. and Brown, I.A. (2008) Thermoelastic analysis of high pressure angioplasty balloons Strain, 44, (1), pp. 102-118. (doi:10.1111/j.1475-1305.2008.00414.x).


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The feasibility of using thermoelastic stress analysis (TSA) to characterise angioplasty balloons and Nitinol self-expanding stents was investigated. A detailed description of the experimental apparatus developed is provided. A review of recent studies by the authors describes calibration procedures for the balloon and the stent materials. The study demonstrated that quantitative stress data can be obtained from the balloons using TSA. A new study on using TSA to assess geometric changes in the balloons is presented and it is shown that TSA is useful in qualitative assessment of balloon features. The study of the Nitinol stents revealed that a number of difficult challenges need to be overcome before quantitative TSA can take place. This study is summarised in the current paper and new work is presented that involves conducting TSA at elevated temperatures to overcome some of the challenges identified in the earlier study.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1111/j.1475-1305.2008.00414.x
ISSNs: 1475-1305 (print)
Related URLs:
Keywords: angioplasty balloons, intravascular stents, nitinol, thermoelastic stress analysis

Organisations: Fluid Structure Interactions Group
ePrint ID: 50076
Date :
Date Event
August 2005Submitted
February 2008Published
Date Deposited: 22 Jan 2008
Last Modified: 16 Apr 2017 18:14
Further Information:Google Scholar

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