Modeling and preliminary testing socket-residual limb interface stiffness of above-elbow prostheses.

IEEE Transactions on Neural Systems and Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society
Jonathon W Sensinger, Richard F ff Weir

Abstract

The interface between the socket and residual limb can have a significant effect on the performance of a prosthesis. Specifically, knowledge of the rotational stiffness of the socket-residual limb (S-RL) interface is extremely useful in designing new prostheses and evaluating new control paradigms, as well as in comparing existing and new socket technologies. No previous studies, however, have examined the rotational stiffness of S-RL interfaces. To address this problem, a math model is compared to a more complex finite element analysis, to see if the math model sufficiently captures the main effects of S-RL interface rotational stiffness. Both of these models are then compared to preliminary empirical testing, in which a series of X-rays, called fluoroscopy, is taken to obtain the movement of the bone relative to the socket. Force data are simultaneously recorded, and the combination of force and movement data are used to calculate the empirical rotational stiffness of elbow S-RL interface. The empirical rotational stiffness values are then compared to the models, to see if values of Young's modulus obtained in other studies at localized points may be used to determine the global rotational stiffness of the S-RL interface. Fin...Continue Reading

References

Nov 1, 1990·IEEE Transactions on Bio-medical Engineering·C J Abul-Haj, N Hogan
Jul 1, 1993·Archives of Physical Medicine and Rehabilitation·R A PopatN Hogan
Jul 3, 1999·IEEE Transactions on Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society·R L AbboudiW Craelius
Sep 25, 1999·IEEE Transactions on Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society·Y Zheng, A F Mak
Sep 25, 1999·IEEE Transactions on Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society·M B Silver-Thorn

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Citations

Aug 21, 2008·IEEE Transactions on Bio-medical Engineering·Guanglin Li, Todd A Kuiken
Feb 22, 2018·Plastic and Reconstructive Surgery. Global Open·Todd A KuikenGregory A Dumanian
Apr 12, 2019·Disability and Rehabilitation. Assistive Technology·Lauren TrentTiffany Ryan

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