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Each year, hundreds of thousands of elderly or disabled patients across the world, that use wheelchairs, fall during the attempt to stand up from the wheelchair. The main cause of these falls is the fact that either the caregiver or the patient himself forgot to engage the brakes. While standing up the patient exerts load backwards and as a result the free wheelchair rolls back and the patient loses balance and fall on his back or his side. As a result elderly people are seriously injured due to this falls which in severe cases may lead to patient's death.
The goal of this paper is to present a practical solution of an affordable anti rollback brake for wheelchairs that can be either operate as an add-on device on existing wheelchairs or be part of a new wheelchair. This brake engages automatically when there is an attempt to push back the wheelchair.
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