SPACE KEEPER, IN PARTICULAR FOR AN INTERVERTEBRAL DISK

摘要

A space keeper, in particular for substituting an intervertebral disk is provided which comprises a cage-shaped wall (1) having a plurality of holes (4, 5) therein and a plurality of points (6) at both edges of the wall. In order to avoid the need for the operating person to keep different types on stock for corresponding different sections, the points (6) have severable portions (7) for adjusting the sectional form.