An implant 1 for sternal osteosynthesis has a clamp 10 with a first prong 101, a second prong 102 and a connecting portion 100. In the connecting portion 100 is formed a member 11 for the purpose of providing engagement with or for positionally stable support for a compatible supporting member of a bending tool (not shown). On both sides of the connecting portion 100 of the clamp 10, the member 11 has protrusions, which, together with the edges of the connecting portion, form angles for the purpose of engagement of the bending tool.
