Patent ID: 8657860

Claim:
A bone anchoring element comprising: a tubular body for anchoring in a bone and having a first end and a second end; a shaft part insertable inside the tubular body; a tip connected to the first end; a head connectable to the second end and having a larger diameter than a largest diameter of the tip; at least one barb element cut into the tubular body, the barb element having a free end between the first end and the second end of the tubular body and a base connecting the barb element to said tubular body, wherein the barb element has a first portion adjacent to the base and a second portion adjacent to the free end, and the second portion is inclined relative to the first portion in a direction radially outward from the tubular body; and wherein the first portion of the barb element is closer to the tip than the second portion of the barb element.