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    • 2. 发明申请
    • INTRAMEDULLARY NAIL
    • INTRAMEDULLARY钉
    • WO1997018769A1
    • 1997-05-29
    • PCT/FR1996001842
    • 1996-11-21
    • CARRUZZO, Pierre, AlainSAILLANT, GérardGODEFROY, Jean
    • A61B17/72
    • A61B17/7266
    • An intramedullary nail (1) including an axial rod (2) supporting tubular spacers (9, 10) and expandable, releasable and interchangeable sleeves (3, 4) slidably mounted on the axial rod (2) between an axial abutment (6) and a control nut (8). Tightening the control nut (8) axially compresses the spacers (9, 10) and the expandable sleeves (3, 4), and thereby causes expansion of the expandable sleeves in order to lock the intramedullary nail (1) in the marrow cavity (11) of a bone (12). The expandable sleeves (3, 4) comprise a substantially continuous, tubular, flexible and expandable circumferential wall made of a biocompatible material and operative to prevent bone rehabitation inside the sleeves.
    • 一种髓内钉(1),其包括支撑管状间隔件(9,10)的轴向杆(2)和可滑动地安装在所述轴向杆(2)上的可扩张的,可释放和可互换的套筒(3,4),所述轴向杆(2) 控制螺母(8)。 拧紧控制螺母(8)轴向地压缩间隔件(9,10)和可膨胀套筒(3,4),从而引起可膨胀套管的膨胀,以将髓内钉(1)锁定在骨髓腔(11)中 )骨骼(12)。 可膨胀套筒(3,4)包括由生物相容性材料制成并且可操作以防止套筒内的骨骼再生的基本上连续的,管状的,柔性的和可膨胀的圆周壁。