摘要
Theunpredictableruptureofsaccularaneurysmsespeciallyoftheintracerebralaneurysmisaknottyproblemthatalwaysresultsinhighmortality.Traditionaldiagnosisofmedicalimages,whichgivestheaneurysmsizeandcompareswithaspeculatedcriticalsizefromclinicalstatistics,wasdemonstratedinadequatetoforecastingrupture.Here,weproposeanewdetectingstrategythatusesadielectricelastomer(DE)capacitancesensortomonitorthegrowthofsaccularaneurysmsanddeliverboththewallstressandgeometricparameters.Basedontheelasticgrowththeorytogetherwiththefinitedeformationanalyses,thecorrelationbetweenthereal-timeoutputcapacitanceoftheDEsensorandthewallstressand/orgeometryofananeurysmisderived.Comparedtoclinicstatisticsandbiomechanicssimulations,thewallstressandgeometricsizemaybeusedascombinedindicatorstoassesstheruptureriskofasaccularaneurysm.Numericalresultsshowthatanoutputrelativecapacitanceof30indicatesahighriskofrupture.Finally,thesensitivityandresolutionoftheDEsensorareprovedadequatelyhighformonitoringthegrowthstateandevaluatingtheruptureriskofasaccularaneurysm.
出版日期
2017年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)