Journal
MECHANISM AND MACHINE THEORY
Volume 36, Issue 10, Pages 1157-1173Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0094-114X(01)00035-0
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This paper describes the mechanical features of an experimental, multiple finger, prosthetic hand which has been designed for children in the 7-11 year age group. Conventional prosthetic hands exist for this age group, but they have limited mechanical function. The experimental hand presented is able to perform passive adaptive grasp, that is, the ability of the fingers to conform to the shape of an object held within the hand. During grasping, the four fingers and thumb are able to flex inwards independently, to conform to the shape of the object. This passive design is simple and effective, not requiring sensors or electronic processing. The adaptive grasp system developed here results in a hand with reduced size and weight compared to other experimental hands, and has increased mechanical function and cosmetic appearance compared to conventional prosthetic hands. (C) 2001 Published by Elsevier Science Ltd.
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