Cochlea implants; Electric hearing aids; Electrically operated hearing aids; Electronic aesthetic skin treatment devices using light emitting diodes, namely, infrared, red, orange, yellow, green, and blue wavelengths for generating light rays; Electronic light therapy apparatus for the skin; Hearing aids for the deaf; Light-based medical devices, namely, a light emitting diode (LED) device for increasing the human body's own production of collagen; Massage apparatus and instruments; Medical u...