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KMID : 1140920170410050875
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Annals of Rehabilitation Medicine
2017 Volume.41 No. 5 p.875 ~ p.880
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Hand Functions of Myoelectric and 3D-Printed Pressure-Sensored Prosthetics:A Comparative Study
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Lee Kyu-Ho
Bin Ho-Beom
Kim Keun-Bae
Ahn So-Young
Kim Bong-Ok
Bok Soo-Kyung
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Abstract
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The loss of an upper limb significantly limits the functional activities of daily living. A huge emphasis is placed on the manipulation, shape, weight, and comfort of a prosthesis, to enable its use as an inherent body part. Even with technological advances, customized upper-extremity myoelectric prosthesis remain heavy and expensive. The high cost of upper-extremity prosthesis is an especially steep economic barrier for patients. Three-dimensional (3D) printing is a promising avenue for reducing the cost of prosthesis. We applied 3D-printed pressure-sensored prosthetics to a traumatic transradial amputee, and compared the hand functions with a customized myoelectric prosthesis. The 3D-printed pressure-sensored prosthetics showed low grip strength and decreased dexterity compared to the conventional myoelectric prosthesis. Although there were a few limitations, the fabrication of prosthesis with 3D printing technology can overcome previous problems such as high production cost, long fabrication period and heavy weight.
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KEYWORD
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Prosthesis fitting, Three-dimensional printing, Amputation
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