Locking tool for use with enossal individual tooth implant

Details Locking tool for use with enossal individual tooth implant Locking tool for use with enossal individual tooth implant

A - Human Necessities

61

C

A61C 8/00 (2006.01)

Patent

CA 2185168

The invention is directed to a tool having having concentric sleeves which move relative to one another with the inner sleeve having slots for receiving lugs on the base element and the outer sleeve having lugs or projections to be received in the slots on the ring element so that the ring element can be rotated relative to the base element, which is held by the inner sleeve. The tool of the invention is for use with an implant for an individual tooth including a metal implant post having a fastening head for receiving a removable denture, the implant post being mounted in a metal spacing element which is threaded in a basic structure that is implantable in the tooth. To hold the spacing element in a fixed, non-twisting and rotatable position, the element is composed of a base element having a first threaded portion which is received in the basic structure and a second threaded portion of a pitch less than the first threaded portion, which receives a ring element that is threaded thereon and has a shoulder for engaging an upper edge of the basic structure to form a locking arrangement.

L'invention concerne un outil ayant des manchons concentriques se déplaçant les uns par rapports aux autres, le manchon intérieur comportant des fentes pour la réception de goujons de l'élément de base, et le manchon extérieur comportant des goujons ou des protubérances devant se loger dans les fentes des éléments circulaires, de sorte que l'élément circulaire puisse tourner par rapport à l'élément de base, qui est maintenu par le manchon intérieur. L'outil faisant l'objet de l'invention est destiné à être utilisé avec un implant de dent comprenant un tenon métallique avec tête de fixation pour recevoir une prothèse dentaire amovible, le tenon étant monté dans un élément d'espacement métallique fileté dans une structure de base pouvant être implantée dans la dent. Pour maintenir l'élément d'espacement dans une position fixe, sans torsion, et tournable, l'élément est composé d'un élément de base comportant une première partie filetée reçue dans la structure de base et une deuxième partie filetée dont le pas est plus petit que le pas du filetage de la première partie, laquelle reçoit un élément circulaire qui est vissé dessus et comporte un épaulement qui sera en contact avec un bord supérieur de la structure de base afin de former un arrangement verrouillable.

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