This invention has, when A) the bone plate (10) the first bone in plant (2) it does, when the upper part open part which possesses the territory A (3) and the lower open part (4), or the longitudinal direction cavity (41) the nail inside the hollow medulla which it possesses the first bone in plant (2) it does, outside possessing the territory A, the open part and the inside open part, one which it possesses perforation hole (11) at least, the first bone in plant (2) and B) the aforementioned perforation hole of one or more (11) the point in order to insert it possesses (6) and the shaft, at least one second bone in plant (5) and C) the aforementioned perforation hole (11) with ingrowth of the bone and soft organization and/or the aforementioned perforation hole (11) the aforementioned upper part open part (3) or in order to close the outer part open part, one closed cover (7) with, including to the aforementioned second bone in plant (5) at least in order to prevent the invasion of the bacterium, the bone fixed installation which becomes (1), here the aforementioned closed cover (7), D) installation and removal possibly to be able install in the aforementioned first bone in plant (2) At the same time, in order E) after the installing, the aforementioned upper part open part (3) or the aforementioned outer part open part (47) the territory A and the aforementioned second bone in plant (5) to cover at least the whole of each territory A to the aforementioned first bone in plant (2), size and form are taken, the bone fixed installation (1) is offered.< Selective figure >Figure 1本発明は、A)骨プレート(10)を第一の骨インプラント(2)とする場合は領域Aを有する上方開口部(3)と下方開口部(4)、または長手方向腔(41)を有する中空髄内釘を第一の骨インプラント(2)とする場合は領域Aを有する外側開口部と内側開口部、を有する少なくとも一つの貫通孔(11)を有する、第一の骨インプラント(2)と、;B)1つ以上の前記貫通孔(11)に挿入するための先端部(6)とシャフトを有する、少なくとも1つの第二の骨インプラント(5)と、;C)前記貫通孔(11)と前記第二の骨インプラント(5)への骨や軟組織の内殖および/または細菌の侵入を防止するために前記貫通孔(11)の前記上方開口部(3)または外側開口部を閉じるための、少なくとも1つの閉カバー(7)と、を含んでなる骨固定装置(1)であって、ここで前記閉カバー(7)は、D)前記第一の骨インプラント(2)に着脱可能に取り付けるこ
