Spinal stabilizing and guiding fixation system

Details Spinal stabilizing and guiding fixation system Spinal stabilizing and guiding fixation system

A - Human Necessities

61

B

A61B 17/70 (2006.01)

Patent

CA 2736616

A system to stabilize and guide the growth of the spinal column includes an elongated support member having a width and a length and a guiding connector having a bone connecting portion and a guiding portion. The bone connecting portion secures the guiding con-nector to a vertebrae and the guiding portion has a bearing element with a passageway adapted to receive the elongated support member. The bearing element permits relative sliding movement of the elongated sup-port element in the passageway of the bearing element. The system may further include a bone fixation element has an elongated support member receiving channel, a locking mechanism and a bone anchoring portion. The bone anchoring portion secures the bone fixation element to bone. The locking mechanism secures the elongated support member in the channel. The guiding connector is moveable along the elongated support member to permit and control the growth of the spinal column along a predetermined path.

L'invention porte sur un système de stabilisation et de guidage de la croissance de la colonne vertébrale, lequel système comprend un élément de support allongé ayant une largeur et une longueur et un raccord de guidage comportant une partie de raccord à l'os et une partie guidage. La partie raccord à l'os fixe le raccord de guidage à une vertèbre et la partie guidage comporte un élément de support muni d'un passage adapté pour recevoir l'élément de support allongé. L'élément de support permet un mouvement de coulissement relatif de l'élément de support allongé dans le passage de l'élément de support. Le système peut en outre comprendre un élément de fixation à l'os qui comprend un élément de support allongé recevant un canal, un mécanisme de verrouillage et une partie d'ancrage à l'os. La partie d'ancrage à l'os fixe l'élément de fixation à l'os à un os. Le mécanisme de verrouillage fixe l'élément de support allongé dans le canal. Le connecteur de guidage est mobile le long de l'élément de support allongé afin de permettre et de maîtriser la croissance de la colonne vertébrale selon un trajet prédéterminé.

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