Osteosynthesis device for fixation of bone, has aligning sleeve screwed into ridge, lip, edge, threaded lip, threaded bar, threaded edge or threaded hole of bone plate, and bone screw comprising head that is provided in aligning sleeve

摘要

The device (10) has a bone plate (12) comprising a ridge, a lip, an edge, a threaded lip, a threaded bar, a threaded edge or a threaded hole (16), and a bone screw provided with a head. An aligning sleeve (4) is provided with a single-start external thread and screwed into the ridge, the lip, the edge, the threaded lip, the threaded bar, the threaded edge or the threaded hole. The head of the bone screw is provided in the aligning sleeve. The aligning sleeve is screwed with an internal thread. The threaded hole comprises a multi-start inner thread (18).