However the existing step climbing wheelchair are designed only for that purpose and not economically designed for movement through flat normal surfaces. The major challenge faced by the existing designs of normal wheel chairs in the market is their inability to climb steps even with the help of a bystander. The proposed project envisages designing and fabricating a wheel chair equipped with versatile features aiding the physically challenged person to have more mobility while moving through various surface. This is a cost reducing project which helps mainly paralyzed patients to do their daily things. And also there is a lid on chair which can be opened to eliminate human waste. It is placed horizontally which pushes against a lever which lifts the main arm. Also the height of the stretcher can be adjusted using a Hydraulic jack manually. Lead Screw translates turning motion into linear motion. These positions can be achieved by a lead screw connected with a hinge joint. Here we are developing a system which is capable of shifting various positions (Chair, Semi-Chair and Stretcher) manually. There is a need for a wheelchair cum stretcher to facilitate the disabled patient's mobility and to provide a novel medical equipment for use in the Indian hospitals. Understanding the various issues regarding the mobility equipment and introducing a better design will be an asset for the medical field and helping hand for disabled individuals. Transferring the patients from wheelchair to stretcher or to the medical bed is always an issue for the attendant or helper. Mobility aids are useful for patients for transportation and a replacement for walking especially in indoor and outdoor environment. In India the number of disabled individuals is increasing every year.
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