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Authors
Abstract(s)
Several factors that can lead to a loss or decrease of an individual’s motor and/or coordination
abilities, such as spinal cord injury caused by an accident, a Cerebral Vascular
Accident, Cerebral Palsy, and others alike. Since the hand is one of the members that
most affect patient’s independence and quality of life, this study focus on the development
of a solution for the condition of lost of motor skills in the hands, specifically, in the
realization of the pinch movement.
The solution proposed is the development a model of mechanical orthosis capable
of assisting the basic movement of opposition between the index finger an the thumb
(forceps), allowing the patient to perform daily actions that involve picking or lifting an
object, as well as perform the writing movement, while keeping a low level of assembly
complexity and cost of production.
The development of the model began by identifying the needs of the patients considered,
the formulation of a methodology for obtaining the optimal geometry for the
mechanism components, and realizing preliminary and functional tests to verify the proposed
ideas.By the end, we have a functional model of mechanical orthosis, that validates
the methodology elaborated.
Description
Keywords
Orthotic devices Hand debility Mechanics Mathematical modeling