The purpose of this work is to assess the stress state in a plate-type device characterized by a conical joint between plate and screws connected through a titanium insert. Stress distributions for two different loading conditions (screw tension and bending) were computed by means of 3-dimensional FEM models. Results show that the titanium insert flexibility provides a well distributed load in the plate and can thus help reducing stress-shielding phenomena. The last part of this work shows our clinical experience.
Mechanical Behavior of One Internal Fixator (O'nil Plate and Screws System): A Finite Element Study and Clinical Experiences.
VALENTINI, ROBERTO;MARTINELLI, BRUNO;COSMI, Francesca;HOGLIEVINA, MARCO;
2007-01-01
Abstract
The purpose of this work is to assess the stress state in a plate-type device characterized by a conical joint between plate and screws connected through a titanium insert. Stress distributions for two different loading conditions (screw tension and bending) were computed by means of 3-dimensional FEM models. Results show that the titanium insert flexibility provides a well distributed load in the plate and can thus help reducing stress-shielding phenomena. The last part of this work shows our clinical experience.File in questo prodotto:
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