Journal of Rehabilitation Research & Development (JRRD)

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Strength evaluation of prosthetic checksockets, copolymer sockets, and definitivelaminated sockets

Maria J. Gerschutz, PhD, et al.

Figure 1. (a) Sample check socket (CS) prior to static failure load testing with marked areas of interest. (b) Sample CS after static failure loading test. Socket thickness measurement sites indicated by dots. Only measurements sites visible in medial viewing plane are shown. Measurements taken prior to mechanical testing.

Prosthetic sockets are the connecting feature between a person with amputation and his or her prosthesis. However, we have limited knowledge on the strength of these sockets and no accepted standard to test them. This article evaluates the static strength of prosthetic check sockets, copolymer sockets, and definitive laminated sockets obtained from nine facilities (central fabrication, private practice, and military). The results demonstrated that socket strength was not consistent and varied between and within facilities. This article provides information about the quality of prosthetic sockets, insights on improving patient care, and a way to evaluate future technologies.

Volume 49 Number 3, 2012
   Pages 405 — 426

View HTML  ¦  View PDF  ¦  Contents Vol. 49, No. 3
This article and any supplementary material should be cited as follows:
Gerschutz MJ, Haynes ML, Nixon D, Colvin JM. Strength evaluation of prosthetic check sockets, copolymer sockets, and definitive laminated sockets. J Rehabil Res Dev. 2012;49(3):405–26.

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Last Reviewed or Updated  Thursday, April 26, 2012 11:47 AM

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