Enchoring element and dynamic stabilisation device for vertebral bodies or bones

摘要

An anchoring element (1) comprises a receiving part (3) connected to a shaft (7) for receiving a rod-shaped element (21), and a fixation device for fixing the rod-shaped element in the receiving part. An anchoring element comprises a receiving part connected to the shaft for receiving the rod-shaped element, and a fixation device for fixing the rod-shaped element in the receiving part, where the shaft is connected by the receiving part to the rod-shaped element in a mobile fashion so that the shaft can move with respect to the rod-shaped element with at least one degree of rotational freedom, but no degree of translational freedom in the fixed state. An independent claim is also included for a method of using an anchoring element comprising: (1) providing a screw element having a head; (2) providing a bearing part (5) with a recess; (3) providing a receiving part; (4) inserting the head of the screw element into the recess of the bearing part; (5) inserting the bearing element with the head of the screw element in its recess into the receiving part; and (6) inserting the screw element into the bone.