Assistive listening device for the hearing impaired; Cochlear implants made from artificial materials; Digital hearing aids; Ear plugs for noise reduction; Ear plugs for sleeping; Ear trumpets; Electric hearing aids; Electrical hearing aids; Electrically-operated hearing aids; Hearing aids; Hearing aids for the deaf; Hearing protectors without the ability to reproduce or transmit sound; In-ear monitors for medical purposes; Medical apparatus, namely, an ear wash device in the nature of a cont...