alexa Mechanically Actuated Stance-Control-Orthoses: Advantages, Design Evaluation and Future Directions | OMICS International | Abstract
ISSN: 2167-0846

Journal of Pain & Relief
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Review Article

Mechanically Actuated Stance-Control-Orthoses: Advantages, Design Evaluation and Future Directions

Rakib MI1* and Abu Osman NA2
1Manufacturing System Integration, Department of Mechanical Engineering, University of Malaya, Kuala Lumpur, Malaysia
2Centre of Applied Biomechanics, Department of Biomedical Engineering, University of Malaya, Kuala Lumpur, Malaysia
Corresponding Author : Muahammad Iftekharul Rakib
Graduate Research Assistant, Department of Mechanical Engineering
University of Malaya, Kuala Lumpur, Malaysia
Tel: 603 7967 6838
Email: [email protected]
Received: August 24, 2015 Accepted: October 07, 2015 Published: October 09, 2015
Citation: Rakib MI, Osman NAA (2015) Mechanically Actuated Stance-Control-Orthoses: Advantages, Design Evaluation and Future Directions. J Pain Relief 4:211. doi:10.4172/2167-0846.1000211
Copyright: © 2015 Rakib MI, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

Engineers and researchers have devotedly sought to improve and develop the design of walking assistive devices in last few decades to enhance the mobility of impaired individuals. The progress is quite impressive but a lot of design challenges are still remain in making these designs user-friendly and commercially viable. Patients with weak quadriceps have limited option to walk independently. Knee-ankle-foot orthosis (KAFO) are typically prescribed as walking assistive device. KAFOs keep the knee in full extension to provide knee stability during walking and keep knee straight throughout the gait cycle with mechanical locking system. Locked knee in the swing phase leads to an abnormal gait pattern. Mechanical stance control orthosis (SCO) is designed to release the lock during swing phase to allow free knee motion and lock it again during stance phase with mechanical actuation system. It helps the user to walk more natural way by overcoming the limitations of KAFO. This article discusses the advantages of SCOs over KAFOs, analyses various mechanisms, shows comparison and future directions to overcome design challenges. This article will help the researchers in assistive technology to develop a reliable and user-friendly product for common users with lower cost.

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