Bone crest expander-compacter and associated tools

Details Bone crest expander-compacter and associated tools Bone crest expander-compacter and associated tools

A - Human Necessities

61

C

A61C 8/00 (2006.01) A61B 17/16 (2006.01)

Patent

CA 2642252

Motor-driven bone crest expander-compacter (1) whose geometry and dimensions have been redesigned to optimal values that allow the expander- compacter (1) to be used for bone expansion or compaction in rear areas of the patient's mouth. The expander-compacter (1) presents a threaded body (3) with a cylindrical threaded area (5) and a conical threaded area (6), where the cylindrical threaded area (5) presents a length smaller than two-thirds the length of the conical threaded area (6), in addition to the fact that the total length of the threaded body (3) is less than 12 mm. The invention also refers to a connector (7) connecting the expander-compacter (1) to a surgical motor, and to an initial burr (11), both of them equally optimised.

L'invention concerne un dispositif d'expansion-compaction de crête osseuse à moteur (1) dont la géométrie et les dimensions ont été modifiées en vue de l'obtention de valeurs optimales permettant l'utilisation de ce dispositif d'expansion-compaction (1) pour l'expansion ou la compaction osseuse dans des zones arrière de la bouche du patient. Ce dispositif d'expansion-compaction (1) présente un corps fileté (3) comportant une zone filetée cylindrique (5) et une zone filetée conique (6), la zone filetée cylindrique (5) présentant une longueur inférieure aux deux tiers de la longueur de la zone filetée conique (6), outre le fait que la longueur totale du corps fileté (3) est inférieure à 12 mm. L'invention concerne également un connecteur (7) assurant la connexion du dispositif d'expansion-compaction (1) à un moteur chirurgical, ainsi qu'une fraise initiale (11), ces deux éléments étant optimisés de la même manière.

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