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- W3136263227 abstract "Abstract Background: The acetabular transverse posterior wall fracture (ATPWF) is a classic type of associated acetabular fracture with an increasing prevalence worldwide. The optimal treatment for this complex facture remains a formidable challenge in orthopedics trauma. Our self-designed locking plate used to show a promising potential in treating acetabular fracture, but no direct comparison between our novel plate with traditional fixations are available.Materials and methods: The ATPWF model was constructed by the Mimics software using the volunteer’s cloud point data, and three internal devices were used to fix this model: the posterior-column locking plate with acterior-column screws (PCLP), double-column locking plates (DCLP), and the novel anatomical locking guidance plate (NALGP) with anterior-column screws and Magic screws. Then series of increasing downward vertical force (200N, 400N, and 600N) were loaded on above models. The stress distribution and peaks, and maximum displacements at two sites were assessed via a finite element analysis.Results: We found that the major stress concentrated on the middle and lower sections of the posterior plate and lag screws in all three groups after the fixation on the ATPWF. And the NAGLP with its screws stood the bigger stress under all loading force when compared with other two groups. Then the maximum displacement of three groups were evaluated, and NAGLP group were found to have less fracture fragment displacements than PCLP and comparable results to DCLP at both sites.Conclusion: Though our newly-designed plate with its screws showed larger stresses after fixation on the ATPWF, it also showed superiorities on the fracture stabilization over PCLP and comparable stability to DCLP, which might make the DCLP unnecessary for the treatment of ATPWF since DCLP would undoubtedly result in bigger surgical trauma and blood loss." @default.
- W3136263227 created "2021-03-29" @default.
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- W3136263227 date "2021-02-19" @default.
- W3136263227 modified "2023-10-18" @default.
- W3136263227 title "A Novel Anatomical Locking Guide Plate in Treating Acetabular Transverse Posterior Wall Fracture: A Finite Element Analysis Study" @default.
- W3136263227 doi "https://doi.org/10.21203/rs.3.rs-218861/v1" @default.
- W3136263227 hasPublicationYear "2021" @default.
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