Hearing aids; Hearing aids for the deaf; Hearing aids for the deaf in the nature of acoustic aids; Hearing protection devices in the nature of hearing protectors without the ability to reproduce or transmit sound; Hearing protectors without the ability to produce or transmit sound; Medical apparatus for use in alleviating hearing disorders; Medical apparatus for use in testing hearing disorders; Medical apparatus for use in treating hearing disorders; Digital hearing aids; Electronic hearing aids; Medical hearing instruments; Medical instruments for use as aids to hearing
Medical Apparatus