Threaded part that is to be connected to the threaded hole...

Details Threaded part that is to be connected to the threaded hole... Threaded part that is to be connected to the threaded hole...

A - Human Necessities

61

C

A61C 8/00 (2006.01)

Patent

CA 2728104

Threaded part (1), designed to be connected to a threaded hole (7) of an implant (6), which comprises a main threaded area (4) ending in a decreasing-width-provided threaded tip (5). The presence of the decreasing-width-provided threaded tip (5) has two beneficial effects: due to its decreasing width, the tip of the threaded part (1) may be inserted more easily in the threaded hole (7), even when the threaded part (1) enters the threaded hole (7) at a very pronounced angle; as it is threaded, the tip of the threaded part (1) can start to be threaded in the threaded hole (7) before the main threaded area (4), as a result of which the threaded part (1) tends to straighten itself as it is screwed in. The inventive threaded part (1) may be a prosthesis screw, a closure screw, an implant-bearing screw, a healing abutment, a transepithelial, etc.

L'invention concerne un élément fileté (1), conçu pour être raccordé à un trou fileté (7) d'un implant (6). Ledit élément comprend une zone filetée principale (4) présentant une extrémité filetée à largeur décroissante (5). La présence de l'extrémité filetée à largeur décroissante (5) a deux effets : la largeur décroissante permet à l'extrémité de l'élément fileté (1) d'être insérée plus facilement dans le trou fileté (7), y compris si l'élément fileté (1) est introduit de travers dans le trou fileté (7); et en raison du filetage, l'extrémité de l'élément fileté (1) commence à être vissée dans le trou fileté (7) avant la zone filetée principale (4), l'élément fileté (1) ayant ainsi tendance à se redresser de lui-même à mesure qu'il est vissé. L'élément fileté (1) de l'invention peut être une vis prothétique, une vis de fermeture, une vis porte-implant, un pilier de cicatrisation, un pilier transépithélial, etc.

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