| 摘要 |
<p>A bone fixation device (1) comprising: A) a first bone implant (2) with at least one through hole (11) having an upper opening (3) with the area A and a lower opening (4) in the case of a bone plate (10) as the first bone implant (2); or an outer opening with the area A and an inner opening in the case of a hollow intramedullary nail as the first bone implant (2); B) at least one second bone implant (5) with a head (6) and a shaft for insertion into one or more of said through holes (11); and C) at least one closing cover (7) for closing said upper opening (3) or outer opening of said through hole (11) for preventing bone and soft tissue ingrowth and/or bacterial invasion into said through hole (11) and into said second bone implant (5) wherein said closing cover (7) is D) removably attachable to said first bone implant (2); and E) dimensioned and shaped in such a way that upon attachment to said first bone implant (2) it is apt to cover at least the entire area A of said upper opening (3) or outer opening and of any of said second bone implants (5) if inserted into said through hole (11).</p> |
