10 medical apparatus and instruments; namely, crutches and structural parts therefor; canes for medical purposes; invalid convenience and handling equipment; namely, tub transfer benches, bath/shower seats, tub grab bars, male urinals, female urinals, bed pans, invalid walkers, invalid cushions, bed tables, blanket supports, emesis basins, invalid lifting chairs, height adjustable mechanical tables for invalids, traction apparatus, foam padding for use by patients to prevent decubitus ulcers, portable ramps, patient lifting and other invalid handling devices