| 摘要 |
Aspects of the present invention are generally directed to an anchoring element comprising a screw shaped central part, a flange which functions as a stop when the anchoring element is installed into the skull bone, and a tubular peripheral part which is connected to the central part via said flange, wherein the peripheral part together with the central part is arranged to cut into the bone tissue when the anchoring element is installed into the bone tissue.
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