A Zimmer frame is widely known as a walker is one of the most stable medical aid for self-transportation. the device consists of a freestanding metal framework with three or more points of contact with surface of the ground. The user places in front of them and then grips while moving forward. The points of contact may either be covered with rubber ferrules as with crutches and canes, or wheels. Some types of Zimmer frame have combination of both coverages. Wheeled walker frames are also widely referred to as rollators.
Nowadays are widely popular walkers with attached seat for temporary rest of the user while walking if needed. Another additional attachment can be with metal pouch or a few of them to carry personal belongings.