Patent ID: 10441263

Abstract:
Disclosed is a device for carrying out a distraction and/or compression of vertebral bodies. The device includes a first and a second extension part with a longitudinal direction, each of which part can be secured on a bone anchor, and having a spreading arrangement for the extension parts, wherein the spreading arrangement has a first receptacle for detachable securing on the first extension part, and the spreading arrangement has at least two arms which form a scissor mechanism, which arms can pivot orthogonally to the longitudinal direction, wherein one end of the first arm is pivotally arranged in the region of the first receptacle and the other end is pivotally connected to the second arm, and the second arm is pivotally connected to a second receptacle which is designed for detachable securing on the second extension part, and the spreading arrangement has a threaded spindle and an inner threaded part which are arranged in such a way that the arms are pivoted with respect to one another when the threaded spindle is screwed in or out in relation to the inner threaded part, the pivoting being such that the receptacles are moved towards each other or away from one another.