An ear wax guard for an in-the-ear hearing aid and means for...

H - Electricity – 04 – R

Patent

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Details

H04R 25/02 (2006.01) H04R 1/02 (2006.01)

Patent

CA 2658114

For the protection of an in-the-ear hearing aid against contamination by ear wax through the acoustic outlet port or a vent, a replaceable ear wax guard is inserted in the aid and comprises an essentially tubular element with a through-going cavity and an abutment collar in one end for sealing abutment against the hearing aid housing. For an easy and safe insertion and removal of the ear wax guard, an applicator is used, which in one end has a smooth pin for introduction in the through-going cavity of the ear wax guard and in the other end a harpoon-shaped catch member. For mounting of the ear wax guard a hose or tube member serving as acoustic outlet canal is connected to an abutment collar in abutment with the outside of the hearing aid. The abutment collar is designed with oversize standard dimensions and adapted to an individually user-adapted hearing aid housing by preparation of its periphery edge.

Afin de protéger une prothèse auditive intra-auriculaire d'une contamination par le cérumen qui pourrait pénétrer par l'orifice acoustique, un dispositif de protection contre le cérumen remplaçable est inséré dans la prothèse auditive. Ce dispositif comprend un élément essentiellement tubulaire muni d'un canal et d'une collerette de butée située à une extrémité et destinée à sceller celle-ci contre la structure de la prothèse auditive. Pour permettre une insertion facile et sécuritaire du dispositif, on utilise un applicateur, dont l'une des extrémités présente une tige lisse permettant son introduction dans le canal du dispositif de protection et l'autre extrémité présente un dispositif de retrait en forme de harpon. Pour assembler le dispositif de protection contre le cérumen, on joint le conduit ou un élément tubulaire servant de canal acoustique à la collerette butant contre la partie externe de la prothèse auditive. La collerette de butée a été conçue pour être surdimensionnée et s'adapter à la structure d'une prothèse auditive individualisée grâce à la fabrication de sa bordure.

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