Wheeled trolleys adapted for use as walking aids for medical equipment; walkers to aid in mobility; wheeled walkers to aid in mobility; walking frames for disabled persons; walkers for use by mobility-impaired individuals, orthopedic walkers, invalid walkers and rollators; aids for disabled and elderly people, namely, supports for general medical use, and orthopedic devices for diagnostic and therapeutic use; body rehabilitation apparatus for medical purposes; medical and therapeutic device a...