Middle ear direct action improved hearing aid and related...

H - Electricity – 04 – R

Patent

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H04R 25/00 (2006.01)

Patent

CA 2659633

The present invention relates to an improved acoustic prosthesis (1) having a direct action of medium ear, comprising a tubular shaped conveyor (12), canalising acoustic waves; at least a microphone picking up surrounding sounds; and amplifier, electrically connected with said microphone for amplifying picked up sounds at a suitable level; at least an audio transducer connected with said amplifier and said conveyor (12), said transducer transforming electric signals arriving from said acoustic wave amplifier, said acoustic waves being conveyed in said conveyor (12); and supply means for said amplifier and for said microphone; said acoustic prosthesis (1) being characterised in that said conveyor (12) comprises a main portion (12'), one end (12'a) of which can be placed within the medium ear (4) while its other end (12'b) can be placed within the outer ear (3) channel; and at least one more portion (12", 12'") that can be coupled at the end of said main portion (12') and at said at least an audio transducer. The invention further relates to a process for installing an acoustic prosthesis.

La présente invention concerne une prothèse acoustique améliorée (1) ayant une action directe dans l'oreille moyenne, comportant un élément de transport de forme tubulaire (12), canalisant des ondes sonores; au moins un microphone captant des sons environnants ; et un amplificateur, en liaison électrique avec ledit microphone pour amplifier des sons captés à un niveau approprié ; au moins un transducteur audio connecté au dit amplificateur et au dit élément de transport (12), ledit transducteur transformant des signaux électriques provenant dudit amplificateur d'ondes acoustiques, lesdites ondes étant transportées dans ledit élément de transport (12) ; et des moyens d'alimentation pour ledit amplificateur et pour ledit microphone. Ladite prothèse acoustique (1) est caractérisée en ce que ledit élément de transport (12) comporte une partie principale (12'), dont une extrémité (12'a) peut être placée dans l'oreille moyenne (4) tandis que l'autre extrémité (12'b) peut être placée dans le canal auditif externe (3) ; et au moins une autre partie (12', 12'') qui peut être reliée à l'extrémité de ladite partie principale (12') et au moins un transducteur audio. L'invention concerne également un procédé de pose d'une prothèse acoustique.

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