Methods of making a negative hearing aid mold

H - Electricity – 04 – R

Patent

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H04R 25/00 (2006.01)

Patent

CA 2539685

A negative hearing aid mold (10) is made by first processing auditory canal (21) dimension measurement data representing internal dimensions of an auditory canal (21) to generate outside auditory canal dimension data that represents outside dimensions of the auditory canal (21). An impression (22) of the auditory canal (21) is taken from a wearer. The outside auditory canal dimension data is processed to generate outside mold data. A laser (26) is used to measure the dimensions of the impression (22). A negative hearing aid mold (10) is created from the outside mold data using a rapid prototyping such as stereo lithography machine (36). The negative hearing aid mold (10) has an inside surface representing the outside dimensions of the auditory canal (21) from the outside mold data. The negative hearing aid mold (10) is suitable for receipt of a soft solid such as silicone. The negative hearing aid mold is (10) used to make a soft solid hearing aid (16).

L'invention porte sur un moule femelle (10) pour prothèse auditive obtenu par un premier traitement de données de mesure des dimensions du canal auditif (21), ces données représentant les dimensions internes d'un canal auditif (21) pour générer des données relatives aux dimensions externes du canal auditif qui représentent les dimensions externes du canal auditif (21). On fait une empreinte (22) du canal auditif (21) d'un utilisateur. On traite les données relatives aux dimensions externes du canal auditif afin de générer les données du moule externe. On utilise un laser (26) pour relever les dimensions de l'empreinte (22). On crée un moule femelle (10) pour prothèse auditive à partir des données du moule externe à l'aide d'un prototypage rapide tel qu'une machine de lithographie stéréo (36). Le moule femelle (10) comporte une surface interne représentant les dimensions externes du canal auditif (21) à partir des données du moule externe. Le moule femelle (10) pour prothèse auditive est approprié pour accueillir un solide mou tel que le silicone. Le moule femelle (10) est utilisé pour fabriquer une prothèse auditive solide molle (16).

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