Abstract
A prosthetic hand is usually made by rigid body mechanism with ropes and pulleys. Such a hand is not “soft” to patients and nor to objects to be manipulated by the hand. In this paper, the concept of compliant mechanism is applied to a prosthetic hand. A fully compliant monolithic prosthetic finger was designed and constructed with the 3D printing technology. Such a finger may be called an all-in-one piece finger. The main challenge in designing and constructing such a finger lies in the design of flexure hinge. A new design process was proposed, which takes the flexure hinge in the context of the prosthesis finger as a 3D object as opposed to the literature that treats it as a 2D object. A new prosthetic finger was then constructed with the 3D printing technology. Another contribution is the proposal of a score system to give a qualitative evaluation of the shape of flexure hinge. Finally, a fully compliant finger with a monolithic structure and flexure hinge was built.
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Liu, S.Q., Zhang, H.B., Yin, R.X., Chen, A., Zhang, W.J. (2018). Flexure Hinge Based Fully Compliant Prosthetic Finger. In: Bi, Y., Kapoor, S., Bhatia, R. (eds) Proceedings of SAI Intelligent Systems Conference (IntelliSys) 2016. IntelliSys 2016. Lecture Notes in Networks and Systems, vol 16. Springer, Cham. https://doi.org/10.1007/978-3-319-56991-8_60
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DOI: https://doi.org/10.1007/978-3-319-56991-8_60
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