Design and development of anthropometric device for the standardization of sizes of knee-ankle-foot orthoses

Journal of Medical Engineering & Technology
M DwivediL Narendra Nath

Abstract

An anthropometric device (AD) was designed and developed to collect data on foot and knee of locomotor disabled people. The aim was to standardize the sizes of knee-ankle-foot orthoses (KAFOs) in a standard modular form so that they can be mass produced to cater for fitting to a large number of locomotor disabled people. The anthropometric data collected on large numbers of locomotor disabled people were processed, with the help of a computer programme, to arrive at standard sizes for three modules, i.e. a foot plate (seven sizes), knee pieces (six sizes) and a lateral upright in a universal size. These modules were produced by plastic injection moulding and compression moulding processes using glass-reinforced polypropylene. KAFOs were assembled and fitted to locomotor disabled people. Feedback obtained was encouraging and this vindicated the concept, design and utility of the AD.

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