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- W2380710025 abstract "Objective To investigate the relationships between femoral offset rebuilding in the total hip arthroplasty and the hip stress,hip stability and polyethylene liner abrasion after operation by three-dimensional photoelastic models. Methods Photoelastic models of human pelvis were made by light-sensatory material. To rebuild the femoral offset,the femoral neck was changed to 25,30,35,40 mm. The weight was put on the model to perform froze stress,the distribution of model stress and morphological change were observed,and the data were analyzed by the SPSS (P 0.05 means). There was statistical significance of observed data. The profile curve of the stress was drawn with the AutoCAD. Results There was a strong linear correlation between the femoral offset and the stress area (r = 0.926,P 0.01),the femoral offset and the peaking stress (r = -0.950,P 0.01). Simple correlation analysis showed that femoral offset was significantly and positively related to the uniformity of the contact stress of the hip ( r = 0.922,P 0.01 ). The analysis of the four groups’ variance showed that there was a variance (F = 3.210 F 0.05(3,60),P 0.05). Simple correlation analysis showed that the total stress of hip depended on the offset(r = -0.978,P 0.05). Conclusion Femoral offset is very important in THA,so we should measure exactly the length of femoral neck before THA and try to rebuild the offset as its state before THA." @default.
- W2380710025 created "2016-06-24" @default.
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- W2380710025 date "2008-01-01" @default.
- W2380710025 modified "2023-09-27" @default.
- W2380710025 title "Three-dimensional-photoelasitc Investigate on the Relationship between Femoral Offset and Hip Stress in Total Hip Arthroplasty" @default.
- W2380710025 hasPublicationYear "2008" @default.
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