Orthopedic interference screw especially useful in crucial ligament repair has both the screw body and head made from human or animal bone preferably obtained by dehydration

摘要

An interference screw is such that (i) the screw body (1) and screw head (6) with an external thread are both of spongy, cortical or compact bone material and (ii) the body (1) has a bore (2) for a guide instrument.