13th International Conference on Fracture June 16–21, 2013, Beijing, China -3- A person with damage to the spinal cord at the cervical spinal cord segment C1 (the highest cervical vertebra, at the base of the skull) will probably lose function from the neck down and require permanent assist. In order to provide some degrade of freedom, the design of control technology and special interface are the goal of the research A person with a C8 spinal cord injury may lose function from the chest down, but still retain use of the arms and much of the hands. In this case the design of technology could be less efficient and with different interface. The degree of the injury to the cellular structures of the spinal cord is very important. A complete severing of the spinal cord will result in complete loss of function from that spinal segment down. A partial severing or even bruising or swelling of the spinal cord results in varying degrees of mixed function and paralysis. The prototype proposed is thinking in the high level of quadriplegia. The other type of injure can be solve whit very simple modifications. 1.3 ASIA impairment scale Spinal cord injuries are classified by the American Spinal Injury Association (ASIA) classification. The ASIA scale grades patients based on their functional impairment as a result of the injury, grading a patient from A to D A Complete No motor or sensory function is preserved in the sacral segments S4–S5. B Incomplete Sensory but not motor function is preserved below the neurological level and includes the sacral segments S4–S5. C Incomplete Incomplete: motor function is preserved below the neurological level, and more than half of key muscles below the neurological level have a muscle grade less than 3. D Incomplete Incomplete: motor function is preserved below the neurological level, and at least half of key muscles below the neurological level have a muscle grade of 3 or more. E Normal 1.4 Spinal Shock Overview Spinal shock following a spinal cord injury is a specific term that relates to the loss of all neurological activity below the level of injury. This loss of neurological activity includes loss of motor, sensory, reflex and autonomic function.[7-8]. 1.5 Spinal Cord Injury Levels
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