Cast biomechanics: A simple idea for reducing the cost and weight of plaster-cast orthoses: Pyramidal shape

2^nd International Conference on Biomechanics, Bioengineering & Audiology

November 07-08, 2016 Las Vegas, USA

Andre Esmanhotto

Hospital Universit�¡rio Cajuru, Brazil

Posters & Accepted Abstracts: J Bioengineer & Biomedical Sci

Abstract :

Objective: To reduce the cost and weight of plaster molded orthosis (increasing patient comfort), keeping the same resistance. Methods: 22 plaster orthosis were laboratory analyzed 11 with conventional shape and 11 with pyramidal shape. It was compared, in theory (mathematically) and practice, the change of weight (and consequently cost) and flexion resistance between conventional shape and pyramidal shape. Results: Theoretical analysis: weight and cost decrease of 26.7%-38.9%, according to the layers disposition of the cast. Laboratorial analysis: cast�´s weight decrease of 34.5% (p=0.000005) and resistance increase of 26.7% (p=0.03). Conclusion: Plaster molded orthosis made in a pyramidal shape, have a statistically significant decrease of weight (and consequently cost) and statistically significant increase of resistance if compared with traditional shape.

Biography :

Email: a.esmanhotto@hotmail.com