Characterizing the Mechanical Performance of a Bare-Metal Stent with an Auxetic Cell Geometry

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dc.authorid0000-0002-1665-7723
dc.authorid0000-0002-0512-7209
dc.authorid0000-0003-3350-1509
dc.contributor.authorBhullar, Sukhwinder K.
dc.contributor.authorLekesiz, Huseyin
dc.contributor.authorKaraca, Ahmet Abdullah
dc.contributor.authorCho, Yonghyun
dc.contributor.authorWillerth, Stephanie Michelle
dc.contributor.authorJun, Martin B. G.
dc.date.accessioned2026-02-12T21:05:05Z
dc.date.available2026-02-12T21:05:05Z
dc.date.issued2022
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractThis study develops and characterizes the distinctive mechanical features of a stainless-steel metal stent with a tailored structure. A high-precision femtosecond laser was used to micromachine a stent with re-entrant hexagonal (auxetic) cell geometry. We then characterized its mechanical behavior under various mechanical loadings using in vitro experiments and through finite element analysis. The stent properties, such as the higher capability of the stent to bear upon bending, exceptional advantage at elevated levels of twisting angles, and proper buckling, all ensured a preserved opening to maintain the blood flow. The outcomes of this preliminary study present a potential design for a stent with improved physiologically relevant mechanical conditions such as longitudinal contraction, radial strength, and migration of the stent.
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK) [214 M377]
dc.description.sponsorshipThis work was supported by the Scientific and Technological Research Council of Turkey (TUBITAK), Grant No: 214 M377.
dc.identifier.doi10.3390/app12020910
dc.identifier.issn2076-3417
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85122917589
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.3390/app12020910
dc.identifier.urihttps://hdl.handle.net/20.500.12885/6789
dc.identifier.volume12
dc.identifier.wosWOS:000747547000001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherMdpi
dc.relation.ispartofApplied Sciences-Basel
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20260212
dc.subjectstent design
dc.subjectmechanical behavior
dc.subjectmechanical loadings
dc.subjectradial strength
dc.subjectlongitudinal flexibility longitudinal
dc.subjectlateral compressive resistance
dc.subjectbending
dc.subjecttwisting
dc.titleCharacterizing the Mechanical Performance of a Bare-Metal Stent with an Auxetic Cell Geometry
dc.typeArticle

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