Fixation element for an implantable microphone

Details Fixation element for an implantable microphone Fixation element for an implantable microphone

H - Electricity

04

R

H04R 25/02 (2006.01) A61F 2/18 (2006.01) A61F 11/00 (2006.01)

Patent

CA 2243407

Fixation element (20) for an implantable microphone (10) having a cylindrical housing part (14) provided with acoustic inlet membrane (13) that can be inserted into a hole (28) which crosses a rear bony wall (29) of the auditory canal. The fixation element (20) has a cylindrical sleeve part which surrounds the cylindrical housing part of the microphone and which has projecting, elastic flange parts (23) which can be placed against side (33) of the wall of the auditory canal which faces skin (30) of the auditory canal. In use, the elastic flange parts are held in a bent position against an elastic restoring force of the flange parts, before implantation, by applying a holder to the flange parts which allows insertion of the flanges through the hole of the wall of the auditory canal, and after the microphone assembly has been inserted through the hole, the holder (which can be, for example, thread or a cap), is removed allowing the elastic flange parts to spring into a position in which they project essentially radially away from the cylindrical sleeve part between the wall of the auditory canal which faces skin of the auditory canal and the skin of the auditory canal.

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