Rehabitable connecting-screw device for a bone joint, intended in particular for stabilizing at least two vertebrae

摘要

A screw device for a bone joint particularly for stabilizing at least two vertebrae includes a monobloc tubular body with a thread on its exterior, and being longitudinally grooved on its interior deep enough as to form openings at the root of the thread communicating between the exterior of the body at the root and the interior of the body. The openings in the tubular body having circumferential cutting edges. A closure element is provided for screwed attachment to the open end of the tubular body.