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Design of manikin for testing of residual-limb shape-capture method : Technical note

McGarry, A. and McHugh, B. and Duers, J. and Buis, A. W. P. (2011) Design of manikin for testing of residual-limb shape-capture method : Technical note. Journal of Rehabilitiation Research and Development, 48 (3). pp. 245-252. ISSN 0748-7711

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Abstract

Consensus is still lacking on how best to capture the shape of a residual limb. Computer-aided design systems have not proven more accurate, repeatable, or reliable than traditional plaster of paris methods. Research is limited in design, relates to clinical trials, and is based on opinions and clinical experience. Many outcome measurements are based on qualitative estimations of prosthetic fit or patient feedback rather than quantitative measurements. Research must identify the most accurate, repeatable, and reliable methods for residual-limb shape capture under conditions most likely to enhance socket fit. Measurement is difficult because a reference grid is required for identifying the residual limb’s axis for ensuring direct comparison. This article describes a manikin production method for testing the shape capture of the residual limb. Diameters and volume were measured at specific levels with a programmable computer numerical control milling machine and a displacement tool, with a combined accuracy of 5 micrometers.