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There are various technologies that exist to allow people in wheelchairs to climb stairs. Some of the technologies are stair-climbing wheelchairs such as the iBOT and Topchair.
Some times
The Quickie brand wheelchairs and parts are manufactured by Quickie Wheelchair. It is their own brand name and they are the only manufacturer of genuine parts for their wheelchairs.
There is no standard collective noun for a group of wheelchairs. However, any noun that suits the situation can function as a collective noun; for example, a stack of wheelchairs, a parade of wheelchairs, a jam of wheelchairs, etc.
Wheelchairs come into play when a person is unable to get around, even with the use of crutches or a walker. The need for wheelchairs may stem from accidents or health and disability issues related to illness or age. Wheelchairs are not all equal and care needs to be taken to find wheelchairs that best fits particular needs. Manual wheelchairs are powered by the user who uses hands on the special rims around the large back wheels to propel the wheelchairs. Some wheelchairs are configured in such a way that they can be propelled with one arm rather than two. Some wheelchairs are made with thicker tires and shorter backs for sports use. Those who use manual wheelchairs need to either have or develop the strength to propel the wheels forward, balance on the back tires to move the wheelchairs up over a curve or threshold and have the strength to stop forward movement. Some who require wheelchairs, either temporarily or permanently, might not have the needed hand and arm strength, but can use their feet and legs to propel the wheelchair, at least on flat surfaces. Most manual wheelchairs fold up and can be transported in a car trunk. Wheelchairs meant for temporary transfer tend to be lighter than those manual wheelchairs used on a regular basis by those with disabilities. These have large back handles for a handler to push the person using the chair. Hospitals use these wheelchairs to transfer patients from one place to another or from bed to chair. These transfer wheelchairs may not have the large back rimmed wheels of regular manual wheelchairs. Airlines use a narrow form of these transfer wheelchairs to fit airplane aisles to transfer people into airline seats. Those without the strength to handle manually propelled wheelchairs, might choose electric wheelchairs powered by rechargeable batteries. For the most part, electric wheelchairs are considerably heavier and not as portable as manual wheelchairs. Electric motors propel these wheelchairs with the user controlling the electric wheelchair with a joystick-like device fastened to one armrest. Those without hand dexterity use electric wheelchairs configured to respond to what movement the user does have, such as head movement.
Yes, Disneyland is accessible for powered wheelchairs. It is even possible to rent certain types of powered wheelchairs at some Disney locations.
Electric wheelchairs appeared in the 1950s.
No! Umbrella's for wheelchairs have never been invented by any one people in wheelchairs use regular umbrella's.
There are a few companies that manufacture wheelchairs for cerebral palsy patients most of which are situated in Asian countries like China. Convaid Cruiser, Tianjin Linkang Medical Apparatus Company, DME products linked to Shanghai Humancare industries Co. Ltd, are some brands of wheelchairs.
Unfortunately there are no wheelchairs yet for ladybugs. Which doesn't make sense because ladybugs can get broken bones to. Some fellow researchers and I are trying to fix the problem. But you can find them some nice walkers. Not as hip, but just as good!
Crutches, leg braces, wheelchairs, walkers.