[CHINESE]A bone implant includes at least one helix body and at least one pillar. The helix body surrounds an accommodating space. The pillar is disposed in the accommodating space and connected to the helix body. The pillar has at least one notch.[ENGLISH]A bone implant includes at least one spiral and at least one pillar. The spiral surrounds an accommodating space. The pillar is disposed in the accommodating space and connected to the spiral. The pillar has at least one notch.[ASSIGNED REPRESENTATIVE FIGURE] FIG. 1.[DESCRIPTION OF SYMBOLS OF REPRESENTATIVE FIGURE]1bone implant11helix body11a, 11bend portion12pillar12a, 12bnotch13holding block13arecessCAcentral axisSaccommodating space[CHEMICAL FORMULA]None.