Single action anti-torque rod reducer

Details Single action anti-torque rod reducer Single action anti-torque rod reducer

A - Human Necessities

61

B

A61B 17/58 (2006.01)

Patent

CA 2630494

Provided is a novel rod reducing device for use in spinal fixation procedures. The device is capable with a single action of securely grasping the head of a bone screw while reducing a connecting rod into the head of the bone screw and while in position on the bone screw provide a cannula access for a bone screw locking cap and tightening instrument and securing the bone screw during the tightening of the locking cap so as to provide an anti-torque effect. The device is also capable of releasing from the bone screw with a reversal of the single action used to activate the device. A method of using the device and a kit wherein the device is one component is also provided.

L'invention concerne un nouveau dispositif de réduction de tige utilisé dans des procédures de fixation spinale. Le dispositif permet en une action unique de saisir fermement la tête d'une vis à os tout en réduisant une tige de connexion dans la tête de la vis à os, et permet lorsqu'il se trouve en position sur la vis à os de fournir un accès à la canule pour le couvercle de verrouillage de la vis à os et un instrument de serrage et de fixation de la vis à os durant le serrage du couvercle de verrouillage afin de produire un effet anticouple. Le dispositif permet également de libérer de la vis à os l'inverse de l'action unique utilisée afin d'activer le dispositif. L'invention concerne enfin un procédé d'utilisation du dispositif et un nécessaire dans lequel le dispositif consiste en un composant.

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