Patent ID: 7215789

Claim:
A single use disposable hearing device adapted for continuous extended wear entirely within an ear canal, comprising: a core assembly including a lateral section having a microphone and an incorporated, non-removable battery assembly, and a receiver section having a receiver; and a sealing retainer concentrically positioned over said receiver section for conforming to the walls substantially at the bony region of the ear canal, for seating the hearing device in the ear canal and for acoustical sealing against feedback within the ear canal; said lateral section being of generally oval cross-sectional perimeter with a long diameter D L and a short diameter D S and of generally cylindrical and elongated shape along its longitudinal axis, said lateral section being adapted for at least partial lateral suspension in the ear canal without occlusion thereof when said hearing device is seated in the ear canal for allowing said hearing device to comfortable fit in the ear canal and operate continuously therein without daily removal, for an extended period of at least one week.