Linking transconnector for coupling spinal rods

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/56 (2006.01)

Patent

CA 2541094

A Linking Transconnector (10) is disclosed for coupling a first longitudinal spinal rod to a second longitudinal spinal rod. The Linking Transconnector generally includes a pair of hook engaging members (50) for engaging the longitudinal spinal rods, a lateral rod (20) for spanning a distance between the hook engaging members (50), and a locking element (100) which interconnects the hook engaging members (50) with the rod. The locking element (100) being configured to allow for multiple degrees of adjustment to permit the linking transconnector (10) to accommodate for varying spinal rod alignments. The locking elements (100) also permits the location of the lateral rod (20) to be fixed relative to the hook engaging members (50) once the desired position of the lateral rod (20) with respect to the longitudinal spinal rods has been achieved. The locking element (100) may also be able to fix the position of the lateral rod (20) with respect to the hook engaging members (50) by a force applied to the locking element (50).

L'invention concerne un connecteur transversal (10) de liaison permettant le couplage d'une première tige spinale longitudinale avec une seconde tige spinale longitudinale. Ce connecteur de liaison transversal comprend de manière générale deux éléments (50) de fixation à crochet qui viennent s'accoupler avec les tiges spinales longitudinales, une tige latérale (20) couvrant une certaine distance séparant les éléments (50) de fixation à crochet, et un élément (100) de verrouillage qui interconnecte les éléments (50) de fixation à crochet avec la tige. L'élément de verrouillage (100) est conçu pour autoriser des degrés de réglage multiples afin de permettre l'adaptation du connecteur transversal (10) adapter à différents alignements des tiges spinales. Les éléments (100) de verrouillage permettent en outre de maintenir la tige latérale (20) dans une position fixe relativement aux éléments (50) de fixation à crochets une fois que la tige latérale (20) est placée dans la position désirée relativement aux tiges spinales longitudinales. L'élément (100) de verrouillage peut également permettre de bloquer la position de la tige (20) latérale relativement aux éléments (50) de fixation à crochet, sous l'effet d'une force appliquée sur l'élément (100).

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