{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,2]],"date-time":"2026-11-02T20:03:54Z","timestamp":1793649834596,"version":"4.5.1"},"reference-count":53,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2024,5,15]],"date-time":"2024-05-15T00:00:00Z","timestamp":1715731200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Orthopaedic Surgery"],"published-print":{"date-parts":[[2024,7]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>The current investigation sought to utilize finite element analysis to replicate the biomechanical effects of different fixation methods, with the objective of establishing a theoretical framework for the optimal choice of modalities in managing Pauwels type III femoral neck fractures.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>The Pauwels type III fracture configuration, characterized by angles of 70\u00b0, was simulated in conjunction with six distinct internal fixation methods, including cannulated compression screw (CCS), dynamic hip screw (DHS), DHS with de\u2010rotational screw (DS), CCS with medial buttress plate (MBP), proximal femoral nail anti\u2010rotation (PFNA), and femoral neck system (FNS). These models were developed and refined using Geomagic and SolidWorks software. Subsequently, finite element analysis was conducted utilizing Ansys software, incorporating axial loading, torsional loading, yield loading and cyclic loading.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Under axial loading conditions, the peak stress values for internal fixation and the femur were found to be highest for CCS (454.4; 215.4 MPa) and CCS\u2009+\u2009MBP (797.2; 284.2 MPa), respectively. The corresponding maximum and minimum displacements for internal fixation were recorded as 6.65\u2009mm for CCS and 6.44\u2009mm for CCS\u2009+\u2009MBP. When subjected to torsional loading, the peak stress values for internal fixation were highest for CCS\u2009+\u2009MBP (153.6 MPa) and DHS\u2009+\u2009DS (72.8 MPa), while for the femur, the maximum and minimum peak stress values were observed for CCS\u2009+\u2009MBP (119.3 MPa) and FNS (17.6 MPa), respectively. Furthermore, the maximum and minimum displacements for internal fixation were measured as 0.249\u2009mm for CCS\u2009+\u2009MBP and 0.205\u2009mm for PFNA. Additionally, all six internal fixation models showed excellent performance in terms of yield load and fatigue life.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>CCS\u2009+\u2009MBP had the best initial mechanical stability in treatment for Pauwels type III fracture. However, the MBP was found to be more susceptible to shear stress, potentially increasing the risk of plate breakage. Furthermore, the DHS\u2009+\u2009DS exhibited superior biomechanical stability compared to CCS, DHS, and PFNA, thereby offering a more conducive environment for fracture healing. Additionally, it appeared that FNS represented a promising treatment strategy, warranting further validation in future studies.<\/jats:p><\/jats:sec>","DOI":"10.1111\/os.14069","type":"journal-article","created":{"date-parts":[[2024,5,15]],"date-time":"2024-05-15T08:27:33Z","timestamp":1715761653000},"page":"1695-1709","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Finite Element Analysis of Six Internal Fixations in the Treatment of Pauwels Type <scp>III<\/scp> Femoral Neck Fracture"],"prefix":"10.1111","volume":"16","author":[{"given":"Xiang","family":"Sun","sequence":"first","affiliation":[{"name":"Department of Hip Trauma Tianjin Hospital  Tianjin China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3822-2317","authenticated-orcid":false,"given":"Zhe","family":"Han","sequence":"additional","affiliation":[{"name":"Department of Hip Trauma Tianjin Hospital  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