HEIGHT-ADJUSTABLE ARTIFICIAL VERTEBRAL BODY

摘要

The invention concerns a height-adjustable artificial vertebral body with a sleeve-type middle section (1) whose wall is provided with a plurality of recesses (5, 6). The middle section is provided with a left-handed thread next to its first edge and with a right-handed thread next to its second edge. One thread section is connected to a cylindrical first part (7), the other thread section to a cylindrical second part (9), by appropriate threads. Both parts (7, 9) likewise have walls with a plurality of recesses (8). Both parts (7, 9) are each provided with a plurality of teeth (8) at their free edges.