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- W2389492746 abstract "Background: It is very difficult to treat transverse acetabular fracture and locking reconstruction plates have been used for internal fixation. But there are few literatures on it. Objective:Objective: To compare the biomechanical stability of four different internal fixation with plates and screws for transverse acetabular fractures. Methods:Methods: Ten adult corpses were used to prepare for 20 models of transverse acetabular fractures. Then the fracture models were randomly divided into four groups(n=5): three screws were fixed at each end of reconstruction plates in group A,three screws were fixed at each end of reconstruction plates and one screw was fixed in the screw holes nearest to the fracture line on both sides in group B,three single cortical screws were fixed at each end of locking reconstruction plates in group C,and three single cortical screws were fixed at each end of locking reconstruction plates and one single cortical screw was fixed in the screw holes nearest to the fracture line on both sides in group D. Axial loading experiment was performed,and the maximum load and axial stiffness were recorded when internal fixation was failed. Results:Results: The maximum load was(180.60±11.781)N,(240.80±7.981)N,(243.80±11.755)N and(438.00 ± 23.227)Nin the four groups in turn; axial stiffness was(95.21±6.32) N/mm,(123.47±23.95) N/mm,(126.39±18.52)N/mm and(227.35 ± 13.74) N/mm. There was no statistical difference in maximum load and axial stiffness between group B and C(P0.05),while the maximum load and axial stiffness in the rest groups was statistically different(P0.05). Conclusions:Conclusions: The biomechanical stability of locking reconstruction plate is better than reconstruction plates for transverse acetabular fracture. The screws fixed in the screw holes nearest to the fracture line the on both sides can enhance fixation stability." @default.
- W2389492746 created "2016-06-24" @default.
- W2389492746 creator A5046646388 @default.
- W2389492746 date "2013-01-01" @default.
- W2389492746 modified "2023-09-26" @default.
- W2389492746 title "Biomechanical study on locking reconstruction plate for acetabular transverse fracture" @default.
- W2389492746 hasPublicationYear "2013" @default.
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