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Review
. 2014 Jan 9:11:3.
doi: 10.1186/1743-0003-11-3.

A survey on robotic devices for upper limb rehabilitation

Paweł Maciejasz, Jörg Eschweiler  1 , Kurt Gerlach-Hahn, Arne Jansen-Troy, Steffen Leonhardt
Affiliations
Review

A survey on robotic devices for upper limb rehabilitation

Paweł Maciejasz et al. J Neuroeng Rehabil. .

Abstract

The existing shortage of therapists and caregivers assisting physically disabled individuals at home is expected to increase and become serious problem in the near future. The patient population needing physical rehabilitation of the upper extremity is also constantly increasing. Robotic devices have the potential to address this problem as noted by the results of recent research studies. However, the availability of these devices in clinical settings is limited, leaving plenty of room for improvement. The purpose of this paper is to document a review of robotic devices for upper limb rehabilitation including those in developing phase in order to provide a comprehensive reference about existing solutions and facilitate the development of new and improved devices. In particular the following issues are discussed: application field, target group, type of assistance, mechanical design, control strategy and clinical evaluation. This paper also includes a comprehensive, tabulated comparison of technical solutions implemented in various systems.

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Figures

Figure 1
Figure 1
Examples of mechanical structures of robotic devices for upper limb rehabilitation.A:ARM Guide - simple system using linear bearing to modify orientation [136]; B:InMotion ARM - end-effector-based commercial system [133]; C:NeReBot - cable-driven robot, Ⓒ2007 IEEE. Reprinted, with permission, from [111]; D:ArmeoPower - exoskeleton-based commercial system (courtesy of Hocoma AG).
Figure 2
Figure 2
Main movements (degrees of freedom) of the upper extremity. 1: arm flexion/extension; 2: arm adduction/abduction; 3: arm internal(medial)/external(lateral) rotation; 4: elbow flexion/extension; 5: forearm pronation/supination; 6: wrist flexion/extension; 7: wrist adduction(ulnar deviation)/abduction(radial deviation); 8: hand grasp/release.
Figure 3
Figure 3
Number of clinical studies and enrolled subjects depending on study objective and start year. Results based on a search in the clinicaltrials.gov database in October 2013. Numbers on and above the bars indicate the number of studies in each category starting in the particular year.
See this image and copyright information in PMC

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