Patent ID: 7027608
Filing Date: 2006-04-11
Classification: H04R

Abstract:
1. A hearing aid system, comprising: a hearing aid case configured to be worn behind tire ear of a user, the case containing a microphone, a processor unit, a tube attachment end surface, an output connector having a nipple extending from the tube attachment end surface along a longitudinal axis, and a speaker for delivering amplified sounds to the output connector; a tube having a first end for attaching to the output connector and a second end, the tube having a preformed shape including a first bend extending front the case over the top of the ear of the user and a second bend extending from an outside of the ear into an ear canal of the user; a key and a corresponding keyway, the key extending substantially parallel to the longitudinal axis of the nipple, the key and corresponding keyway armed to maintain a specific orientation between the case and the tube when the tube is connected to the case; and an eartip connected to the second end of the tube and configured to fit within the ear canal while allowing sounds outside and within the ear to pass tough the ear canal around the eartip.