Improved disposable prophylaxis angle

A - Human Necessities – 61 – C

Patent

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Details

A61C 1/12 (2006.01) A61C 3/06 (2006.01)

Patent

CA 2731724

A dental prophylaxis angle includes a body, a drive gear and a driven gear The body has a sleeve with an open rear end, a neck, a head, and an axial neck and head bore that communicate with each other at an intersection A channel extends through the body The drive gear is adapted to be inserted into the body through the head The drive gear includes a gear, an intermediate portion and a shaft The shaft extends rotatably from the open rear end of the sleeve, through the neck bore, and into the head bore The intermediate portion further includes an angled leading edge The driven gear is rotatably mounted in the head and operatively connected to the drive gear The body further includes a lip extending into the channel The lip is adapted to be received by the groove when the drive gear is inserted through said head.

L'invention concerne un angle de prophylaxie dentaire comprenant un corps, un engrenage menant et un engrenage mené. Le corps a un manchon ayant une extrémité arrière ouverte, un col, une tête, et un col axial et un alésage de tête qui communiquent l'un avec l'autre au niveau d'une intersection. Un canal s'étend à travers le corps. L'engrenage menant est conçu pour être inséré dans le corps à travers la tête. L'engrenage menant comprend un engrenage, une partie intermédiaire et un arbre. L'arbre s'étend de manière rotative depuis l'extrémité arrière ouverte du manchon, à travers l'alésage de col, et dans l'alésage de tête. La partie intermédiaire comprend de plus un bord d'attaque incliné. L'engrenage mené est monté de manière rotative dans la tête et est relié de manière fonctionnelle à l'engrenage menant. Le corps comprend de plus une lèvre s'étendant dans le canal. La lèvre est conçue pour être reçue par la gorge lorsque l'engrenage menant est inséré à travers la tête.

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