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dc.contributor.authorJeon, Sungwoongko
dc.contributor.authorHoshiar, Ali Kafashko
dc.contributor.authorKim, Sangwonko
dc.contributor.authorLee, Seungminko
dc.contributor.authorKim, Eunheeko
dc.contributor.authorLee, Sunkeyko
dc.contributor.authorKim, Kanghoko
dc.contributor.authorLee, Jeong Hunko
dc.contributor.authorKim, Jin-youngko
dc.contributor.authorChoi, Hong Sooko
dc.date.accessioned2019-03-18T00:48:02Z-
dc.date.available2019-03-18T00:48:02Z-
dc.date.created2019-03-15-
dc.date.created2019-03-15-
dc.date.created2019-03-15-
dc.date.created2019-03-15-
dc.date.issued2018-12-
dc.identifier.citationMicro and Nano Systems Letters, v.6, no.1-
dc.identifier.issn2213-9621-
dc.identifier.urihttp://hdl.handle.net/20.500.11750/9641-
dc.description.abstractHere, we develop a flexible microrobot enhancing the steerability of a conventional guidewire. To improve steerability, a microrobot is attached to the tip of the guidewire and guided using an external magnetic field generated by an electromagnetic coil system. The flexible microrobot is fabricated via replica-molding and features a body made of polydimethylsiloxane (PDMS) and a single permanent magnet. As the robot is made of a deformable material, it can be steered using a low-intensity external magnetic field; the robot can potentially be guided into the coronary artery. To study steering performance, we employed mathematical modeling and a finite element model (FEM), and performed experiments under various magnetic fields. We found that a mathematical model using the Euler–Bernoulli beam could not precisely calculate the deformation angles. The FEM more accurately estimated those angles. The deformation angle can be controlled from 0 to 80° at a magnetic field intensity of 15 mT. The trackability at angles of 45 and 80° of the guidewire-based microrobot was confirmed in vitro using a two-dimensional blood vessel phantom. © 2018, The Author(s).-
dc.languageEnglish-
dc.publisherSociety of Micro and Nano Systems-
dc.titleImproving guidewire-mediated steerability of a magnetically actuated flexible microrobot-
dc.typeArticle-
dc.identifier.doi10.1186/s40486-018-0077-y-
dc.identifier.scopusid2-s2.0-85062421305-
dc.type.localArticle(Overseas)-
dc.type.rimsART-
dc.description.journalClass1-
dc.contributor.localauthorKim, Jin-young-
dc.contributor.localauthorChoi, Hong Soo-
dc.contributor.nonIdAuthorKim, Sangwon-
dc.identifier.citationVolume6-
dc.identifier.citationNumber1-
dc.identifier.citationTitleMicro and Nano Systems Letters-
dc.type.journalArticleLetter-
dc.description.isOpenAccessY-
dc.subject.keywordAuthorAngioplasty-
dc.subject.keywordAuthorFlexible microrobot (robot)-
dc.subject.keywordAuthorGuidewire-
dc.subject.keywordAuthorMagnetic actuation-
dc.subject.keywordAuthorPCI surgery-
dc.subject.keywordAuthorSteerability-
dc.subject.keywordAuthorTrackability-


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