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Abstract
In this paper, finite element analysis for design of plate for fractured femur is presented. The plates with different hole types are simulated. The types of hole are duo, flower and sloted forms and paired with a screw of 4.5 mm diameter. The plate and screw is made of SUS316L. A maximum load of 550 N is applied for each variation of plate design. The results are presented in terms of deformation and stress for both plate and screw. Numerical results show that the sloted plate is the best among the considered designs, from which the produced stress is below the material yield stress for almost all configurations.
Highlights
Medical treatment and rehabilitation in the form of surgery is commonly performed to connect fractured bone by using plates and screws
It has been observed that the screw diameter of 4.5 mm appears to be a suitable diameter value for the holes giving less stress concentration in the plate
It is evident that as the holes in the plate are only partially filled with the screws, stress concentrations may arise at the screw locations
Summary
Medical treatment and rehabilitation in the form of surgery is commonly performed to connect fractured bone by using plates and screws. It is important to rightly estimate the plate length and screws size in accordance with the dimensions of the bones. It is necessary to do simulation tasks in order to support the inquiry for optimum design for the fixation plate. To this end, numerical simulation has been proven to be a reliable approach in design and optimization tasks (Kaman et al, 2014; Hidayat et al, 2017), in particular finite element (FE) method (Syahroni and Hidayat, 2011; Maharaj et al, 2013; Waas et al, 2019).
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