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Title: A haptic knob for rehabilitation of stroke patients
Authors: Dovat, L.
Lambercy, O.
Ruffieux, Y.
Chapuis, D.
Gassert, R.
Bleuler, H.
Teo, C.L. 
Burdet, E.
Issue Date: 2006
Citation: Dovat, L., Lambercy, O., Ruffieux, Y., Chapuis, D., Gassert, R., Bleuler, H., Teo, C.L., Burdet, E. (2006). A haptic knob for rehabilitation of stroke patients. IEEE International Conference on Intelligent Robots and Systems : 977-982. ScholarBank@NUS Repository.
Abstract: The strong impairment of motor functions in stroke survivors affects daily activities such as eating, manipulating objects or writing. Our goal is to induce long lasting improvements in such tasks by having patients perform systematic exercises using haptic interfaces. This paper describes a novel two-degrees-of-freedom interface which we have developed to help stroke patients gradually recover the ability to open and close the hand and manipulate knobs. Different solutions are studied and a design consisting of two parallelogram structures interacting with the fingers is proposed. The mechanical design offers the possibility to adapt the interface to various hand sizes and finger orientations, and to right or left-handed subjects. Design kinematics as well as actuation and system control are described. Several knobs are proposed to interact with patients, especially a cone mechanism to train a complete opening movement from a strongly contracted and closed hand to a large opened position. The interaction force with the subject is measured over four force sensors located close to the output of the interface. A preliminary study has been performed to evaluate the performances of the haptic interface. © 2006 IEEE.
Source Title: IEEE International Conference on Intelligent Robots and Systems
ISBN: 142440259X
DOI: 10.1109/IROS.2006.281778
Appears in Collections:Staff Publications

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