ambulation device wheelchair http://id.loc.gov/authorities/subjects/sh85146406 http://purl.bioontology.org/ontology/MESH/D014910 http://purl.bioontology.org/ontology/SNOMEDCT/58938008 https://en.wikipedia.org/wiki/Category:Wheelchairs https://en.wikipedia.org/wiki/Wheelchair https://www.wikidata.org/wiki/Q191931 A chair with wheels, used when walking is difficult or impossible due to illness, injury, old age related problems, or disability. These can include spinal cord injuries (paraplegia, hemiplegia, and quadriplegia), broken leg(s), cerebral palsy, brain injury, osteogenesis imperfecta, motor neurone disease (MND), multiple sclerosis (MS), muscular dystrophy (MD), spina bifida, among other conditions. Chairs mounted on wheels and designed to be propelled by the occupant. RD757.W4 wheel chair wheelchairs assistive chair