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Thermoelastic analysis of high pressure angioplasty balloons

Record type: Article

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.

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Citation

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).

More information

Submitted date: August 2005
Published date: February 2008
Keywords: angioplasty balloons, intravascular stents, nitinol, thermoelastic stress analysis
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 50076
URI: http://eprints.soton.ac.uk/id/eprint/50076
ISSN: 1475-1305
PURE UUID: 394ea089-edf7-4a07-b717-3fa1fb7110f3

Catalogue record

Date deposited: 22 Jan 2008
Last modified: 17 Jul 2017 14:54

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Contributors

Author: J. Eaton-Evans
Author: E.G. Little
Author: I.A. Brown

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