Methods and instrumentation for inserting intervertebral...

Details Methods and instrumentation for inserting intervertebral... Methods and instrumentation for inserting intervertebral...

A - Human Necessities

61

F

A61F 2/46 (2006.01)

Patent

CA 2553534

Instruments (20) for inserting an implant in a space between adjacent bony portions (220, 222) include upper and lower guide members (100, 120) separated by a spreader (60) with the implant positioned forwardly of the spreader. The spreader is movable forwardly between the guide members with a drive member (40) to position the implant in a space between the bony portions. The spreader contacts the adjacent bony portions to facilitate withdrawal of the inserter instrument when the implant is positioned in the space.

L'invention concerne des instruments (20) permettant d'introduire un implant dans un espace entre des parties osseuses adjacentes (220, 222) et comprenant des éléments de guidage supérieur et inférieur (100, 120) séparés par un espaceur (60), l'implant étant positionné à l'avant de celui-ci. L'espaceur est mobile en avant entre les éléments de guidage, au moyen d'un élément d'entraînement (40), de manière à positionner l'implant dans un espace entre les parties osseuses. L'espaceur vient en contact avec les parties osseuses adjacentes, afin de faciliter le retrait de l'instrument d'insertion quand l'implant est positionné dans l'espace.

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