Nebulizers for respiration therapy; Massage apparatus; Massage apparatus and instruments; Pediatric breathing masks for medical purposes; Medical devices for treating sleep disorders; Apparatus for physical training for medical use; Medical device used for the acquisition of physiological data for polysomnography; Medical devices for Kegel exercises, namely, pelvic floor exercisers for use to treat symptoms of urinary incontinence and for therapeutic purposes; Respiratory masks for medical purposes; Face shields for medical use; Medical hearing instruments; Otoscopes; Electrically-operated hearing aids; Ear thermometers