Devices and methods for inserting a spinal fixation element

A - Human Necessities – 61 – B

Patent

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A61B 17/88 (2006.01)

Patent

CA 2555141

A method for introducing a spinal fixation element between two bone anchors includes engaging a spinal fixation element to a shaft of an instrument, positioning the shaft of the instrument through a sidewall opening of a first percutaneous access device connected to a first bone anchor and through a side wall opening of a second percutaneous access device connected to a second bone anchor, the spinal fixation element extending in an orientation substantially parallel to the longitudinal axis of at least one of the first percutaneous access device and the second percutaneous access device, and pivoting the instrument to change the orientation of the spinal fixation element and position the spinal fixation element in proximity to the first bone anchor and in proximity to the second bone anchor.

L'invention concerne un procédé permettant d'introduire un élément de fixation rachidien entre deux ancrages osseux et consistant à mettre en prise un élément de fixation rachidien avec une tige d'un instrument, à positionner celle-ci dans une ouverture de paroi latérale d'un premier dispositif d'accès percutané connecté à un premier ancrage osseux et dans une ouverture de paroi latérale d'un second dispositif d'accès percutané connecté à un second ancrage osseux, l'élément de fixation rachidien s'étendant dans une orientation sensiblement parallèle à l'axe longitudinal d'au moins un des deux dispositifs d'accès percutané, à faire pivoter l'instrument de manière à changer l'orientation de l'élément de fixation rachidien et à positionner celui-ci à proximité du premier ancrage osseux et à proximité du second ancrage osseux.

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