Christoph Brandt-Wunderlich, Wolfram Schmidt, Alexander Thiesen, Klaus-Peter Schmitz, Falk Reinhardt, Michael Stiehm, Stefan Siewert
{"title":"Test methods for evaluation of balloon expandable vascular stents – measurement of radial strength and stiffness","authors":"Christoph Brandt-Wunderlich, Wolfram Schmidt, Alexander Thiesen, Klaus-Peter Schmitz, Falk Reinhardt, Michael Stiehm, Stefan Siewert","doi":"10.1515/cdbme-2023-1104","DOIUrl":null,"url":null,"abstract":"Abstract The radial strength of balloon expandable stents represents a key property for a successful recanalization of sclerotic blood vessels. This study focuses on the most commonly used method for investigation of radial strength and radial stiffness via segmented head test setup. A custom made user software was used for evaluation of the radial force curves considering requirements of international standards such as ASTM F3067. Contributing factors during measurement such as friction and test setup deformation as well as the single cycle and multi cycle approach were addressed and discussed.","PeriodicalId":10739,"journal":{"name":"Current Directions in Biomedical Engineering","volume":"58 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Current Directions in Biomedical Engineering","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1515/cdbme-2023-1104","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Engineering","Score":null,"Total":0}
引用次数: 0
Abstract
Abstract The radial strength of balloon expandable stents represents a key property for a successful recanalization of sclerotic blood vessels. This study focuses on the most commonly used method for investigation of radial strength and radial stiffness via segmented head test setup. A custom made user software was used for evaluation of the radial force curves considering requirements of international standards such as ASTM F3067. Contributing factors during measurement such as friction and test setup deformation as well as the single cycle and multi cycle approach were addressed and discussed.
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