The present invention relates to a generally U-shaped osteosynthesis clip (1), said clip (1) having two uncovers (2, 3) and a longitudinal opening configured to exhibit a closed configuration and an open configuration And a connection bar (4) including (5), wherein the clip includes a compression piece (20) having a substantially elliptical section and received in the opening, wherein the compression piece is in the opening. The opening is changed from a closed configuration to at least one of the open configurations and vice versa.本発明は、全体にU字形の骨接合クリップ(1)に関し、前記クリップ(1)は、2つのアンカバー(2,3)と、閉形態及び開形態を呈するように構成された長手開口部(5)を含む接続バー(4)とを含み、前記クリップは、略楕円形の区画を有し、前記開口部内に収容される圧迫片(20)を含み、前記圧迫片は、前記開口部内で廻されることで、前記開口部を閉形態から少なくとも一つの前記開形態、及びその逆に変化させる。