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 25/00 (2006.01)

Patent

CA 2336648

For the protection of an in-the-ear hearing aid against contamination by ear wax through the acoustic outlet port (34a) or a vent, a replaceable ear wax guard (36) 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 (31). For an easy and safe insertion and removal of the ear wax guard (36), an applicator is used, which in one end has a smooth pin for introduction in the through-going cavity of the ear wax guard (36) and in the other end a harpoon-shaped catch member. For mounting of the ear wax guard (36) a hose or tube member serving as acoustic outlet canal (34) is connected to an abutment collar (33) 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.

Pour protéger une prothèse auditive placée dans l'oreille de la contamination par la cire dans le port (34a) d'émission acoustique ou évent, une protection (36) amovible contre la cire est insérée dans la prothèse et comprend un élément tubulaire à cavité traversante et une rondelle d'appui placée à une extrémité de façon à s'appuyer hermétiquement contre le corps (31) de la prothèse auditive. Pour une insertion et un retrait faciles et sans danger de la protection (36), on utilise un applicateur qui possède, à une extrémité, un axe lisse destiné à être introduit dans la cavité traversante de la protection (36), et à l'autre extrémité, un élément de préhension de la forme d'un harpon. Pour fixer la protection (36), un flexible ou élément tubulaire servant de canal (34) d'émission acoustique est raccordé à une rondelle (33) d'appui pour venir se caler contre la partie externe de la prothèse. La rondelle d'appui a des dimensions standards supérieures et s'adapte au corps de la prothèse auditive grâce à son bord périphérique.

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