Air cushions for medical purposes; Air mattresses for medical purposes; Body rehabilitation apparatus for medical purposes; Breast pumps; Foot massage apparatus; Hearing aids for the deaf; Massage apparatus; Massage chairs; Medical apparatus and instruments for use in surgery; Orthodontic appliances; Orthopedic apparatus and instruments for diagnostic and therapeutic use; Sphygmomanometers; Traction apparatus for medical purposes; Trusses; Vibromassage apparatus