Fall detector is a device that detects the fall of a person and it has been developed to save the life of an elderly person who is more prone to fall. Uncountable number of cases has been reported about the fall of elderly person which is dangerous. From epidemiological data it is propounded that fall is the main cause of extended periods of stay in the hospital. It can be managed at the point of occurrence if situation is reported immediately. Alzheimer disease has been associated with fall, as in this disease epileptic seizures are more common and in such convulsive disease fall detectors play a vital role and can even substitute the role of ambulance. Fall in addition to standing position can also occur in sitting position, leading to long term consequences many times.
The fall can happen due to many reasons like poor balance, Parkinson’s disease, sight problem, cognitive and dementia problems and extrinsic factors also. After a period of 30 years research, fall detector device has been developed. It works on the principles of sensors. These network sensors like press buttons in chair and camera, sense the fall of the person if the kinematics of the person changes. Some work on the head displacement principle, as during the fall head is displaced towards the ground that is sensed by these sensors and it sends the information to the care givers. According to technical approach it can be classified in vision based, environment based and wearable type detectors. Fall Detection
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Emily David
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