Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/1531
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dc.contributor.authorYaman, Onur-
dc.contributor.authorDemir, Teyfik-
dc.contributor.authorArslan, Arslan Kağan-
dc.contributor.authorİyidiker, Mehmet Akif-
dc.contributor.authorTolunay, Tolga-
dc.contributor.authorCamuşcu, Necip-
dc.contributor.authorUlutaş, Murat-
dc.date.accessioned2019-06-26T08:07:05Z
dc.date.available2019-06-26T08:07:05Z
dc.date.issued2015-07
dc.identifier.citationYaman, O., Demir, T., Arslan, A. K., Iyidiker, M. A., Tolunay, T., Camuscu, N., & Ulutas, M. (2015). The Comparison of Pullout Strengths of Various Pedicle Screw Designs on Synthetic Foams and Ovine Vertebrae. Turkish neurosurgery, 25(4), 532-238.en_US
dc.identifier.issn1019-5149
dc.identifier.urihttps://search.trdizin.gov.tr/yayin/detay/243308-
dc.identifier.urihttps://www.ncbi.nlm.nih.gov/pubmed/26242328-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/1531-
dc.description.abstractAIM: One of the most common problems with transpedicular screws is screw pullout. This study was conducted to measure the pullout strengths of newly designed transpedicular screws. MATERIAL and METHODS: The design of the three group screws were conical cored standard pedicle screw (Type A), dual threaded pedicle screw (Type B), dual core and dual threaded pedicle screw (Type C), respectively. Polyurethane (PU) blocks in 25 mm and 50 mm thickness were used to investigate the effect of just the pedicle on pullout strength and both distal (vertebral body) and proximal (pedicle) parts of the screw. The screws were also tested in ovine lumbar vertebrae. RESULTS: Type C screw exhibited 5.9% and 12.9% higher pullout strength than Type A and Type B, and 15.4% and 8.6% higher pullout strength than Type A and Type B, respectively on 25 mm and 50 mm thick PU foam block.Type C also exhibited 74.5% and 22.5% higher pullout strength than Type A and Type B, respectively on the ovine vertebrae. CONCLUSION: Transpedicular screws redesigned with modified helical angles exhibit higher pullout strength compared to the classical transpedicular screws and can be inserted more rapidly with the same number of screwing rounds result with doubled insertion depth.en_US
dc.description.sponsorshipThis work was supported by the Research Fund of TUBITAK, Project # 111M583, Project # 113S101, and Osimplant medical devices. Special thanks to Nevzat Ucler for the recommendations on design and Akif Kaya Aybek for the manufacturing of the designed screws.
dc.language.isoenen_US
dc.publisherTurkish Neurosurgical Socen_US
dc.relation.ispartofTurkish Neurosurgeryen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPedicle screwen_US
dc.subjectDual leaden_US
dc.subjectDual threaden_US
dc.titleThe Comparison of Pullout Strengths of Various Pedicle Screw Designs on Synthetic Foams and Ovine Vertebraeen_US
dc.typeArticleen_US
dc.departmentFaculties, Faculty of Engineering, Department of Mechanical Engineeringen_US
dc.departmentFakülteler, Mühendislik Fakültesi, Makine Mühendisliği Bölümütr_TR
dc.identifier.volume25
dc.identifier.issue4
dc.identifier.startpage532
dc.identifier.endpage538
dc.relation.tubitakTUBITAK [111M583, 113S101]en_US
dc.authorid0000-0001-6352-8302-
dc.identifier.wosWOS:000360324600004en_US
dc.identifier.scopus2-s2.0-84938345541en_US
dc.institutionauthorDemir, Teyfik-
dc.identifier.pmid26242328en_US
dc.identifier.doi10.5137/1019-5149.JTN.8907-13.1-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.scopusqualityQ3-
dc.identifier.trdizinid243308en_US
item.fulltextNo Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.languageiso639-1en-
item.cerifentitytypePublications-
item.openairetypeArticle-
item.grantfulltextnone-
Appears in Collections:Makine Mühendisliği Bölümü / Department of Mechanical Engineering
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
TR Dizin İndeksli Yayınlar / TR Dizin Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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