A wheelchair, or wheelchair, is a device typically consisting of wheels, a seat, and armrests, used to facilitate movement of disabled individuals in various environments. Wheelchairs can be powered by hand or electric motors, and can also be equipped with various accessories such as seat elevators, anti-slide wheels, and folding mechanisms to accommodate different needs and usage environments.

The history of the wheelchair can be traced back to ancient times, but the development of modern wheelchairs began in the early 20th century. With technological and material advancements, the design and function of wheelchairs have continuously improved, making them an important medical device and social tool.

Wheelchair users are typically individuals with physical disabilities or limited mobility, including elderly people, patients, or those in long-term rehabilitation. Wheelchairs provide them with the ability to move around and participate in social activities independently, enhancing their quality of life.

In addition to serving as a mobility device, wheelchairs can also be used as a seat or chair, particularly in public places or institutions such as hospitals. In such cases, wheelchairs are seen as an accessibility facility, providing equal opportunities and convenience to individuals with limited mobility.

Overall, wheelchairs are an essential assistive device that provides individuals with limited mobility the ability to move around and participate in society while also contributing to enhancing their quality of life.