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Design and implementation of orthosis to improve gait of patients with hemiplegia

The ankle foot orthosis is a technical aid that promotes locomotion and rehabilitation of people with medical conditions that affect walking. Each pathology has its own requirements and this has resulted in traditional solutions that are far from optimal in terms of comfort and overall performance for the restoration of human walking. The development of prosthetic components requires a clear understanding of the mechanics and stress analysis and material effect on extreme operating environments. Functional recovery of walking is one of the main objectives of the rehabilitation of hemiplegic patients. The use of orthotics walk is part of this objective of recovery (Johnson et al. 2004). Computer analysis of the shapes and movements has expanded enormously, especially with 3D graphics and its applications in basic and clinical research are numerous: modelling of the knee or spine (Sayari et al.). Since 1986, new computer-assisted techniques have been proposed for the design and manufacture of prosthetic and orthotics, using fingerprinting systems that use optical projection (http://WWW.maitrise.orthop.com). The economic and social development of orthotics in our country finds its importance among the concerns of The Ministry of Health and Habitat. Firstly, we performed a medical diagnosis, after which we took measures (MRI images) to customise our orthosis. A better understanding of the mechanical behaviour of the human skeleton with articulations, the ligaments and muscle is still the subject of much research and clinical biomechanics.