Hearing-aid shell, has sound admitting openings integrated in Cymba acephalous area and closed in watertight manner, program switch integrated in external visible area, where auditory canal opening is completely sealed by shell

摘要

The shell has sound admitting openings (2) integrated in a Cymba acephalous area (1) and closed in a watertight manner. An opening of a battery case flap (5) is arranged in such a manner that it is integrated in an inner reduction area of a concha side of the shell. An auditory canal opening is completely sealed by the shell, and a program switch is integrated in an external visible area.