Adhesive sheet for protection of microphone openings and corresponding hearing aid

摘要

The hearing device has common adhesive film (4) covering the microphone ports. The film comprises an adhesive layer attached to the side of an acoustically permeable plastic membrane (10), and cut-out points (6) formed at location of the ports in a row parallel to extension direction of the film. The cut-out points are adhesive free and identical to the external shape of microphone port. A plastic medium (8) with boreholes (7) at location of the ports, is laminated on another side of plastic membrane opposing the adhesive layer. An independent claim is included for microphone ports protection method of hearing device.