In axis of ordinates (2) the bone adjustment catch because of internal fixing of the sclerite (1), 1st and 2nd plate (3 and 4) and B which possess at least two screw holes (17) in order A) each one the underside (5) and the surface (6) and two outer part surfaces (22 and 23) and the front (7) which is axial direction center between aforementioned the 1st and 2nd plates (3 and 4) and, the axial direction terminal aspect (8) and from the aforementioned surface (6) extends in the aforementioned underside (5), to accept the bone screw) about aforementioned axis of ordinatesIt is laid out concurrent, aforementioned the 1st and 2nd plate (3 and 4) with the 1st and 2nd guide carriage rail which sleeve is possibly jointed uniaxial (13 and 14) with, C) aforementioned the 1st and 2nd plate (3 and 4) it is laid out between, one which operates as a compressed spring elastic member (15 and 16) with it has at least.< Choice figure >Drawing 1縦軸(2)での骨片の内部固定のための骨固定器具(1)であって、A)それぞれが下面(5)と、上面(6)と、ふたつの外側面(22、23)と、前記第1及び第2プレート(3、4)間の軸方向中間にある前面(7)と、軸方向終端面(8)と、前記上面(6)から前記下面(5)に延び、骨ねじを受け入れるための少なくともふたつのねじ穴(17)を有する第1及び第2プレート(3、4)と、B)前記縦軸について並行に配置され、前記第1及び第2プレート(3、4)と一軸的に摺動可能に接続する第1及び第2ガイドレール(13、14)と、C)前記第1及び第2プレート(3、4)の間に配置され、圧縮ばねとして動作する少なくともひとつの弾性部材(15、16)とを備える。【選択図】図1
