Crutches; Chiropractic instruments; Ear plugs for soundproofing; Foot massage apparatus; Humidifiers for medical use; Manually-operated exercise equipment for physical therapy purposes; Massage apparatus for massaging necks and backs, feet; Massage mitts; Medical device for correcting vertebral alignment; Medical operating lamps; Orthodontic appliances; Orthodontic retainers; Orthopedic seat cushions; Physical exercise apparatus, for medical purposes; Sanitary masks for medical purposes; Spri...