Biomechanical Analysis of Pullout Strengths of Rotator Cuff and Glenoid Anchors: 2011 Update

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dc.contributor.authorBarber, F. Alan
dc.contributor.authorHerbert, Morley A.
dc.contributor.authorHapa, Onur
dc.contributor.authorRapley, Jay H.
dc.contributor.authorBarber, Cameron A. K.
dc.contributor.authorBynum, James A.
dc.contributor.authorHrnack, Scott A.
dc.date.accessioned2024-09-18T21:03:02Z
dc.date.available2024-09-18T21:03:02Z
dc.date.issued2011
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractPurpose: To evaluate the biomechanical and design characteristics of newer suture anchors. Methods: Suture anchors were tested in fresh porcine metaphyseal cortex and cancellous troughs by use of an established protocol. A mechanical testing machine applied tensile loads parallel to the axis of insertion at 12.5 mm/s until failure, and mean anchor failure strengths were calculated. The mode of failure was recorded. Rotator cuff anchors tested included the Doubleplay and Opus SpeedScrew (ArthroCare Sports Medicine, Sunnyvale, CA); PEEK Intraline and PEEK Zip (Stryker, San Jose, CA); Paladin, SuperRevo FT, and CrossFT (ConMed Linvatec, Largo, FL); Piton (Tornier, Warsaw, IN); Ti Screw, ALLthread PEEK, LactoScrew, ALLthread Ti, and ALLthread PEEK knotless (Biomet Sports Medicine, Warsaw, IN). Glenoid anchors included the Gryphon BR P (DePuy-Mitek, Raynham, MA) and JuggerKnot 1.4 (Biomet Sports Medicine). Results: Mean cortical failure loads for cuff anchors were as follows: Doubleplay 5.0, 279 N; Doubleplay 6.5, 338 N; Opus SpeedScrew 5.5, 356 N; Opus SpeedScrew 6.5, 336 N; PEEK Intraline 5.5, 263 N; PEEK Intraline 6.5, 344 N; PEEK Zip 5.5, 435 N; PEEK Zip 6.5, 502 N; Paladin 5.0, 500 N; Paladin 6.5, 521 N; SuperRevo FT, 496 N; CrossFT, 569 N; Piton, 379 N; Ti Screw 5.0, 457 N; Ti Screw 6.5, 443 N; ALLthread PEEK 5.5, 476 N; LactoScrew 5.5, 403 N; ALLthread Ti 5.0, 526 N; ALLthread Ti 6.5, 653 N; and ALLthread PEEK knotless, 441 N). Mean cortical failure loads for glenoid anchors were 161 N for Gryphon BR P and 239 N for JuggerKnot 1.4. Mean cancellous bone failure loads for cuff anchors were Doubleplay 5.0, 263 N; Doubleplay 6.5, 340 N; Opus SpeedScrew 5.5, 356 N; Opus SpeedScrew 6.5, 344 N; PEEK Intraline 5.5, 274 N; PEEK Intraline 6.5, 327 N; PEEK Zip 5.5, 401 N; PEEK Zip 6.5, 396 N; Paladin 5.0, 427 N; Paladin 6.5, 491 N; SuperRevo FT, 483 N; CrossFT, 547 N; Piton, 365 N; Ti Screw 5.0, 420 N; Ti Screw 6.5, 448 N; ALLthread PEEK 5.5, 475 N; LactoScrew 5.5, 435 N; ALLthread Ti 5.0, 512 N; ALLthread Ti 6.5, 612 N; and ALLthread PEEK knotless, 466 N). Mean cancellous failure loads for glenoid anchors were 117 N for Gryphon BR P and 194 N for JuggerKnot 1.4. None of the anchors had pullout as the predominant failure mode. Eyelet failure was the predominant failure mode for Doubleplay, Opus SpeedScrew, PEEK Intraline, Gryphon BR P, ALLthread Ti 6.5, ALLthread PEEK 5.5, and LactoScrew. Conclusions: Failure load was not dependent on anchor location (cancellous or cortical bone) (P = .58) but was dependent on anchor type (cuff anchor or glenoid anchor) (P < .001). Clinical Relevance: Whereas larger fully threaded screw anchors designed for rotator cuff repair showed higher failure strengths than smaller non-screw anchors designed for glenoid repairs (P < .05), the larger version of a screw anchor for a cuff repair did not provide a statistically greater failure load than the smaller screw anchor.en_US
dc.description.sponsorshipFACSen_US
dc.description.sponsorshipF.A.B. and the F. Alan Barber MD FACS Research Fund received support exceeding US $500 including donations of suture anchors and suture materials from ArthroCare Sports Medicine, Sunnyvale, CA; Stryker, San Jose, CA; ConMed Linvatec, Largo, FL; Tornier, Warsaw, IN; DePuy-Mitek, Raynham, MA; and Biomet Sports Medicine, Warsaw, IN.en_US
dc.identifier.doi10.1016/j.arthro.2011.02.016
dc.identifier.issn0749-8063
dc.identifier.issn1526-3231
dc.identifier.issue7en_US
dc.identifier.pmid21693345en_US
dc.identifier.scopus2-s2.0-79959466740en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.arthro.2011.02.016
dc.identifier.urihttps://hdl.handle.net/20.500.12483/13211
dc.identifier.volume27en_US
dc.identifier.wosWOS:000291850900008en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherW B Saunders Co-Elsevier Incen_US
dc.relation.ispartofArthroscopy-The Journal of Arthroscopic and Related Surgeryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectSuture Anchorsen_US
dc.subjectSingle-Rowen_US
dc.subjectFixation Strengthen_US
dc.subjectInitial Fixationen_US
dc.subjectCyclic Loaden_US
dc.subjectRepairen_US
dc.subjectFailureen_US
dc.subjectSuperioren_US
dc.subjectShoulderen_US
dc.subjectTearsen_US
dc.titleBiomechanical Analysis of Pullout Strengths of Rotator Cuff and Glenoid Anchors: 2011 Updateen_US
dc.typeArticleen_US

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