Abstract
Tubes for guided peripheral nerve regeneration are highly expected to be the substitutes for nerve transplants. These tubes must be designed to provide the flexibility, kink resistance and compression resistance because these functions help nerve regeneration. Cylinder tube we first design being less kink resistance, flexibility, not easy to operate, the shapes of tubes must be renewed. Hence, we invent bellows tubes expected to have more suitable characteristics. In this paper, using finite element method, physical characteristics in compression and bending test of tubes are calculated and optimum shapes are considered. Outputs indicate that bellows tubes have more than twice as compression and kink resistance as cylinder tubes have.
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