Cannulated fastener system

Details Cannulated fastener system Cannulated fastener system

A - Human Necessities

61

B

A61B 17/86 (2006.01)

Patent

CA 2547098

A cannulated fastener system is provided for orthopedic applications that include attaching bone plates to bone. The bone fastener has a cannulation with an inner shape. One or more screwdrivers is provided with a shaft having a shape that matches the cannulation of the fastener to rotationally fix the fastener to the screwdriver. In addition, the screwdrivers have a cutting blade that begins the drilling of a hole for the bone fastener. The screwdrivers may either be for use with a single fastener or have multiple fasteners loaded within a retaining sleeve for automatic or controlled dispensing.

L'invention concerne un système de fixation à canulation pour applications orthopédiques, qui permet de fixer des plaques sur les os. Le système comporte une canulation à forme interne. Un ou plusieurs tournevis comportent un axe ayant une forme qui s'adapte à la canulation, pour la fixation rotative du système au(x) tournevis. De plus, ces tournevis ont une lame tranchante qui commence à percer un trou pour la fixation sur l'os. Les tournevis en question peuvent être utilisés pour un système à fixation unique ou bien ils ont des fixations multiples chargées dans un manchon de retenue pour une distribution automatique ou contrôlée.

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