Voice prosthesis-cartridge assembly

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/20 (2006.01)

Patent

CA 2237518

The length of dwelling of a voice prosthesis (10) in the fistula of a patient is extended by supporting the soft hollow body (14) of the prosthesis with an elongated, rigid cartridge (12) and mounting the flapper valve (15) by means of a tab (56) which extends through a slot (54) in the flange (44) of the cartridge (12). An enlarged cavity (113) in the flange (110) of the body (92) communicates with the slot (112) and receives the leading portion of the tab (56). The tab (256) can terminate in a bulbous end (261) received in the cavity (263) or the cavity (263) can be filled with adhesive to secure the valve (215) to the cartridge (212).

On peut laisser plus longtemps une prothèse vocale (10) dans la fistule d'un patient si l'on soutient le corps creux souple (14) de la prothèse à l'aide d'une cartouche rigide allongée (12) et que l'on fixe la soupape à languette (15) au moyen d'une patte (56) engagée dans une fente (54) de la collerette (44) de la cartouche (12). Une cavité agrandie (113) située dans la collerette (110) du corps (92) communique avec la fente (112) et reçoit la partie guide de la patte (56). Celle-ci (256) peut se terminer par une extrémité en forme de bulbe (261) reçue dans la cavité (263), ou bien la cavité (263) peut être remplie de colle de façon à fixer la soupape (215) sur la cartouche (212).

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