Patent ID: 9226778
Filing Date: 2016-01-05
CPC Classification: A61B

Claim Text:
1. A bone anchoring device comprising: an anchoring element to be anchored to a bone or a vertebra and having a head; a connection element; a receiving part having a first end for receiving the head of the anchoring element, wherein the head is pivotable in the receiving part, and a second end having a recess for receiving the connection element; a first pressure element configured to exert pressure on the head to lock the head in the receiving part; and a second pressure element configured to exert pressure on the connection element to press the connection element against the first pressure element, wherein the second pressure element is configured to apply pressure directly to the first pressure element; wherein when the connection element, the first pressure element, and the second pressure element are in the receiving part, a contour of a surface of at least the first pressure element or the second pressure element facing the connection element deviates from a contour of a surface of the connection element; wherein the first pressure element is configured to directly contact the head of the anchoring element when the bone anchoring device is in an assembled state; and wherein the connection element is made of an elastic material.