Auriculostomy Hearing Aid – Surgical Procedure

This post is a continuation of an attempt to archive some historical events related to hearing aids – that of the auriculostomy.  As reported in a previous post, the auriculostomy may have been the first surgical involvement in the fitting of an electrical hearing aid.   It provided an alternate approach to the application of corrective…

Read More

The Mysterious Cartilaginous/Bony Ear Canal Junction

Research related to the occlusion effect (OE) suggests that the OE is minimized when contact of the ear insert (closed coupled in this case) is made with the bony ear canal1,2.  Measurements of the OE for various in-canal devices are numerous and essentially support this conclusion.  But, to what extent does the cartilaginous/bony ear canal…

Read More