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- W2374859611 abstract "Objective To compare the biomechanical properties between the proximal femoral locking plate and Gamma 3nail for fixing unstable femoral intertrochanteric fracture to provide a theoretical basis for selecting internal fixation in the clinical application. Methods Five pairs of antiseptic femur specimens, each pair of specimens were randomly divided into group A and group B. All specimens were made 31-A2.2 femoral intertrochanteric fracture model, group A using Gamma 3nail fixed, group B with proximal femoral locking plate fixation in mechanical testing machine to test axial compression,torsion, destruction experiment. Results Under 1 200 N load, axial stiffness of groups A and B was(306.52±11.32)N/mm and(258.38±14.63)N/mm respectively, axial stiffness of group A was 18.6% higher than group B, showing statistically significant difference(t =17.74, P =0.03). The torque of groups A and B in the torsional Angle of 0.5°, 1.0°, 1.5°, 2.0°, 2.5° had no statistical significant difference(P 0.05). The torsional rigidity of groups A and B was(1.35 ±0.06)N·mm/deg and(1.48±0.09)N·mm/deg respectively, showing statistically significant difference(t =-5.00,P =0.13). The maximum yield load of groups A and B was(3 101.33±174.83)N and(2 396.68±142.07)N respectively, maximum yield load of group A was 29.4% higher than group B, showing statistically significant difference(t =48.52, P 0.001). Conclusion The proximal femoral locking plate for the treatment of unstable femoral intertrochanteric fracture, the mechanical properties of the axial load are inferior to Gamma 3nail, unfavorable as the preferred internal fixation." @default.
- W2374859611 created "2016-06-24" @default.
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- W2374859611 date "2015-01-01" @default.
- W2374859611 modified "2023-09-27" @default.
- W2374859611 title "A biomechanical comparative study on proximal femoral locking plate and Gamma 3 nail for treatment of unstable femoral intertrochanteric fracture" @default.
- W2374859611 hasPublicationYear "2015" @default.
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