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2019 ITU Kaleidoscope Academic Conference

to walk naturally. However, most of them are too expensive [4] K. Ziegler‐Graham, E. J. MacKenzie, P. L.
for most leg amputees to afford. Ephraim, T. G. Travison, R. Brookmeyer,
"Estimating the Prevalence of Limb Loss in the
We determined through experimentation that people with United States: 2005 to 2050," Archives of Physical
walking disabilities, such as hemiplegia, clearly have a Medicine and Rehabilitation 2008, vol. 89 IS. 3,
weaker kicking power when raising their heel and a weaker pp.422‐429, 2008.
swing power when swinging their toes up than unimpaired
people. Our proposed shoe design has springs in the heel that [5] Estimated of Amputee Population 11/09/2008,
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c-03a.pdf , [retrieved: September 2019].
We proposed a module structure for a foot prosthetic derived
from our research results and observations of existing [6] Ottobock, 1B1 Meridium,
powered foot prosthetics. We also proposed standardizing https://professionals.ottobock.com.au/Products/Prost
interfaces between modules, enabling third-party hetics/Prosthetics-Lower-Limb/Feet/1B1-
manufacturers to produce prosthetic components at lower Meridium/p/1B1 , [retrieved: September 2019].
costs.
[7] Ossur, PROPRIO FOOT®,
The introduction of such modules and standardization can https://www.ossur.com/prosthetic-
lower overall prices for prosthetics, enabling them to be solutions/products/dynamic-solutions/proprio-foot ,
more affordable for foot amputees and people with walking [retrieved: September 2019].
disabilities, which, as a result, will improve their quality of
life. [8] M. F. Eilenberg, H. Geyer, and H. Herr, “Control of
a Powered Ankle–Foot Prosthesis Based on a
7. ACKNOWLEDGEMENTS Neuromuscular Model,” IEEE, Transaction on
Neural System and Rehabilitation Engineering,
Thanks to Mr. Takashi Ushizaki, Dr. Koya Sato for helping VOL. 18, NO. 2, pp. 164-173, 2010.
with this research. This work was supported by JSPS
KAKENHI Grant Number 19K11326. [9] Wireless EMG logger, Logical Product Corporation,
http://www.lp-d.co.jp/EMGSensor.html , [in
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