13th International Conference on Fracture June 16–21, 2013, Beijing, China -7- Living with and managing quadriplegia is difficult, but not impossible. Those suffering from the condition need to be prepared to make changes in their life and their home. We have an opportunity to help on this process. The devices designed have to take special characteristics like low cost, control with movement of the head, in some cases with finger activation, good accuracy and easily to maneuver. The basic idea of the project consists of develop an infrared tracking device that allows the devices activation by means of the movement of the head to quadriplegic people [1]. In some cases the affected person has the possibility of basic finger movement that allows activating the devices like a switch or the activation by means of a trackball. It will be studied and will leave the use possibility of the two devices depending on the injury type and the mobility possibilities [3]. The development of this device improves the quality of life of the affected people and opens new alternatives for handling different activities in this kind of persons [2]. They hope to use these signals to guide motorized assistance mechanisms that restore mobility in a specific area. The involved costs are low, the operation capacity is simple and his development is possible. The prototype include an infrared tracking system, a computer that processes the signal from the system and a display with the chosen options, a power system for the relay control and a digital system that is the interface with the power unit [4].(figure 7.) The main objective is to determine the needs of the people with limitations of mobility and to propose solutions with devices bases on infrared tracking and oral mouse. Figure 7. Electronic control prototype Technology of electric wheelchair control (figure 6.) and domotics systems can really change the life to the people with spinal injuries; especially in the cases of major limitations in the use of the upper limbs. In order to provide an electronic device or system, with the purpose to increase the quality of life and opportunities for participation and inclusion, it is necessary that this process follows a well-established methodology and a multidisciplinary approach (mechanical and electric
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