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Archive > Volume 33 Issue 5 > 2018,33(5):429-434 CSTR: Prev Next

Mechanical Analysis of Single Shoulder Airbag External Fixator for Clavicle Fractures

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    Abstract:
    Objective In view of the problems existing in traditional external fixator, to invent a novel single shoulder airbag external fixator, and evaluate the reductional stretch force produced by it. Methods The three-dimensional finite element model of human clavicle was established. The loading conditions of the single shoulder airbag external fixator and the reductional stretch force produced by the external fixator were analyzed comprehensively and systematically. The actual loading conditions of the single shoulder airbag external fixator and the traditional eight-figure bandage external fixator were compared and analyzed by experiment. Results Reductional stretch force produced by the single shoulder airbag external fixator was more uniform and larger than that produced by traditional external fixator, and could be adjusted by the patient himself. Conclusions The force and the loading method of the single shoulder airbag external fixator on the shoulder were more favorable for the stretched reduction of clavicle fractures and maintaining the position of clavicle fractures, and it could make the patients with clavicle fractures more comfortable.

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