Denture attachment system

Details Denture attachment system Denture attachment system

A - Human Necessities

61

C

A61C 8/00 (2006.01) A61C 13/225 (2006.01)

Patent

CA 2612734

A denture attachment system (10) comprises an implant member (12) adapted to be secured in a mandible (B) such that a head (20) of the implant member (12) projects out of the mandible (B). A locking mechanism (14) is adapted to be received in a denture (A) so as to cooperate with the implant member (12) to releasably secure the denture (A) to the implant member (12). The locking mechanism (14) has a receptacle (50,51) for receiving the head (20) of the implant member (12). A locking member (60,61) is movable between a locking position in which the locking member blocks an access out of the receptacle (50,51) by opposing a surface complementary to the shape of the head (20) of the implant member (12) to hold the implant member (12) captive in the receptacle (50,51) with points of contact between the head (20) of the implant member (12) and the locking member (60) being diametrically opposed with respect to the head (20), and a release position in which the head (20) of the implant member (12) may enter/exit the receptacle (50,51).

Un système de fixation de prothèse (10) comprend un implant (12) adapté pour se fixer sur une mandibule (B) de façon que la tête (20) de l'implant (12) se projette hors de la mandibule (B). Un mécanisme de verrouillage (14) est adapté pour que l'implant (12) reçoive une prothèse (A) de façon ferme et libérable. Le mécanisme de verrouillage (14) dispose d'un réceptacle (50,51) pour recevoir la tête (20) de l'implant (12). Un élément de verrouillage (60,61) est mobile entre une position de verrouillage où l'élément de verrouillage bloque la sortie du réceptacle (50,51) en opposant une surface complémentaire de la forme de la tête (20) de l'implant (12) pour maintenir l'implant (12) captif dans le réceptacle (50,51) avec des points de contact entre la tête (20) de l'implant (12) et l'élément de verrouillage (60) diamétralement opposé à la tête (20), et une position de libération dans laquelle la tête (20) de l'implant (12) peut soit entrer dans le réceptacle (50,51) soit en sortir.

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