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Finite element analysis of a Gamma nail within a fractured femur
C J Wang1, A L Yettram, M S Yao
1Department of Mechanical Engineering, Brunel University, Uxbridge, Middlesex, UK.
Medical Engineering & Physics
|March 31, 1999
Abstract:
Failures of Gamma nails which treat unstable femoral fractures have been reported. In this paper, a finite element model to include a Gamma nail within a fractured femur was used to investigate the stresses in the Gamma nail. The effects for different types of fracture were investigated. The results show that its use for subtrochanteric fractures will cause higher stresses at the lag screw and upper distal screw insertion holes in the nail than when used for femur neck fractures.