A rollator is a type of medical device, also known as a wheelchair. It is a mobility aid consisting of a four-wheeled frame, a seat and handbrakes. The user can push while walking, which provides extra support and stability for those who have difficulty walking. Rollers also often have a built-in seat and handlebars, allowing the user to rest and breathe when needed. They are often used by older adults and people with movement problems during recovery from surgery or those with conditions such as arthritis and Parkinson's disease.
Walker is a device that provides support for people who have difficulty walking. It typically consists of a lightweight frame with four legs and handle bars for the person to hold. It is designed to help people maintain balance, stability and independence in their gait. Walkers are often used by older adults as well as people recovering from surgery or those with conditions such as stroke, arthritis or Parkinson's disease.