Classification Information
A programmable electric auditory device to be worn in or on the human ear or coupled to the human ear by wireless means to filter and reduce the intensity of certain audible sounds so that the wearer can discriminate and more clearly hear other sounds not for medical use
Electrical and Scientific ApparatusA programmable electric auditory device to be worn in or on the human ear or coupled to the human ear by wireless means to filter and reduce the intensity of certain audible sounds so that the wearer can discriminate and more clearly hear other sounds for medical use
Medical Apparatus