A bone anchoring element is provided having a shaft (2) for anchoring in a bone, wherein said shaft (2) comprises a plurality of barb elements (12) that are arranged along at least one helical line around the shaft axis, wherein said barb elements are integrally formed in a tubular body (10 100 200) which is part of said shaft. (Fig. 1)本案提供一種骨骼固定元件,有軸(2),供固定於骨骼內,其中該軸(2)包括複數倒鈎元件(12),沿軸的軸線周圍之至少一螺旋線配置,其中,該倒鈎元件係一體形成於該軸組件之管狀體(10;100;200)內者。1‧‧‧骨骼固定元件2‧‧‧軸3‧‧‧尖端4‧‧‧頭部6‧‧‧頸部7‧‧‧肩部8‧‧‧圓柱形軸組件9‧‧‧U形凹部10‧‧‧管狀體11‧‧‧凸部12‧‧‧倒鈎元件13‧‧‧末端基部14‧‧‧自由端15‧‧‧圓柱形凸部
