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    • 4. 发明授权
    • Cutting guide instrument
    • 切割导向仪
    • US6120510A
    • 2000-09-19
    • US669497
    • 1996-07-10
    • Bjorn AlbrektssonLars CarlssonMagnus JacobssonTord RostlundStig Wennberg
    • Bjorn AlbrektssonLars CarlssonMagnus JacobssonTord RostlundStig Wennberg
    • A61B17/14A61B17/15A61B17/17A61B17/56A61F2/46A61B17/58
    • A61B17/15
    • The invention relates to a cutting guide instrument and method for enabling high-precision resection of the head (caput femoris) (8) of the neck (5) of a human femur (collum femoris) at a predetermined cutting angle (.alpha..sub.c) to the femoral shaft (9) and on a predetermined cutting level (L.sub.c) with respect to the proximal end of the caput (8). A support part (11) is fixed to the femur during the resection. A longitudinal guide carrier (12) is supported by the support part (11) and is aligned along the femoral collum (5) at said predetermined cutting angle (.alpha..sub.c) to the femoral shaft (9). A cutting guide (13) is supported by and movable along the axis (D--D) of the guide carrier (12) to a cutting position corresponding to the predetermined cutting level (L.sub.c). The invention also relates to the use of the instrument for performing such resection.
    • PCT No.PCT / SE96 / 00489 Sec。 371日期:1996年7月10日 102(e)1996年7月10日PCT PCT 1996年4月17日PCT公布。 出版物WO96 / 36284 日期:1996年11月21日本发明涉及一种用于能够以预定的切割角度高精度切除人体股骨(股骨)的颈部(5)的头部(股骨头)(8)的切割指导仪器和方法 (αc)相对于所述头盖(8)的近端延伸到股骨轴(9)并且在预定切割水平(Lc)上。 在切除期间,支撑部分(11)固定到股骨。 纵向导向架(12)由支撑部分(11)支撑,并以与股骨轴(9)成预定切割角(αc)的股骨颈(5)对齐。 切割引导件(13)由导向托架(12)的轴线(D-D)支撑并移动到对应于预定切割级别(Lc)的切割位置。 本发明还涉及用于进行这种切除的仪器的使用。
    • 7. 发明授权
    • Bone reamer for sharping bone sockets or cavities during orthopaedic surgery
    • 用于在整形外科手术期间锐化骨插孔或腔的骨铰刀
    • US06221076B1
    • 2001-04-24
    • US09029683
    • 1998-03-03
    • Björn AlbrektssonLars CarlssonMagnus JacobssonTord RöstlundStig Wennberg
    • Björn AlbrektssonLars CarlssonMagnus JacobssonTord RöstlundStig Wennberg
    • A61B1700
    • A61B17/1666Y10T407/1948Y10T407/1964
    • The invention is directed to a reamer for shaping a bone socket such as an acetabular cavity. The reamer comprises a cutting head for removing material from the socket during rotation of the cutting head. The cutting head comprises a number of relatively long main cutting edges, each of which extends in a direction from a base to a top of the reamer, and a number, higher than the number of main cutting edges, of relatively short peripheral cutting edges, which are located at the base and distributed at angulary spaced intervals about a rotational axis. The invention also provides a method for implanting a prosthesis component into a bone socket. During shaping of the bone socket, a top portion of the reamer is completely received in the bone socket to such an extent, that a cylindrical entrance portion is formed in the socket. The invention also provides a kit including a reamer and a prosthesis.
    • 本发明涉及一种用于成形诸如髋臼腔的骨插入物的扩孔器。 铰刀包括用于在切割头旋转期间从插座中移除材料的切割头。 切割头包括多个相对较长的主切削刃,每个主切削刃沿着从铰刀的基部到顶部的方向延伸,并且具有比相对短的周边切削刃的主切削刃的数量高的数量, 它们位于基部并以围绕旋转轴线的间隔开的间隔分布。 本发明还提供了一种用于将假体组件植入骨插座的方法。 在骨插入件成形期间,扩孔器的顶部完全容纳在骨插入件中,使得在插座中形成圆柱形入口部分。 本发明还提供了一种包括铰刀和假体的试剂盒。
    • 8. 发明授权
    • Drill guide instrument
    • 钻导仪
    • US5817098A
    • 1998-10-06
    • US669474
    • 1996-07-09
    • Bjorn AlbrektssonLars CarlssonMagnus JacobssonTord RostlundStig Wennberg
    • Bjorn AlbrektssonLars CarlssonMagnus JacobssonTord RostlundStig Wennberg
    • A61B17/56A61B17/17A61F2/46
    • A61B17/175
    • The invention relates to a drill guide instrument and method for guiding a drill tool (24) when drilling a longitudinal bore (4) through the neck (collum femoris) (5) of a human femur (9), subsequent to resection of the head (caput) (8) of the collum (5) along a cutting plane (P). The instrument comprises a drill guide (20), which is provided with a base member (21) and arranged to guide the drill tool (24) along a drill axis (B--B) relative to the base member (21), said base member (21) being intended to be applied against a cut end surface (11) of the collum (5) defining the cutting plane (P) for obtaining a predetermined orientation of the drill axis (B--B) relative to the cutting plane (P). A positioning member (22) extending from the drill guide (20) is intended to be contacted with the periphery of the narrowest portion (13) of the collum (5) in at least two circumferentially-spaced contact positions (30), so as to locate the drill axis (B--B) at a minimum distance from the periphery of said narrowest portion (13) of the collum (5). The invention also relates to the use of the instrument for performing such drilling.
    • PCT No.PCT / SE96 / 00490 Sec。 371日期:1996年7月9日 102(e)日期1996年7月9日PCT PCT 1996年4月17日PCT公布。 公开号WO96 / 36285 PCT 日期1996年11月21日本发明涉及一种用于在钻取通过人体股骨(9)的颈部(股骨)(5))的纵向孔(4)时引导钻具(24)的钻子引导器械和方法,随后 沿着切割平面(P)切除圆柱(5)的头部(头)(8)。 所述仪器包括钻子引导器(20),所述钻子引导器(20)设置有基部构件(21)并且布置成相对于所述基部构件(21)沿钻杆轴线(BB)引导所述钻具(24),所述基座构件 21)旨在被施加到限定切割平面(P)的凸缘(5)的切割端表面(11),以获得相对于切割平面(P)的钻孔轴线(BB)的预定取向。 从钻子引导件(20)延伸的定位构件(22)旨在与至少两个周向间隔开的接触位置(30)与柱头(5)的最窄部分(13)的周边接触,从而 以将钻孔轴线(BB)定位在与所述最小部分(13)的圆周的周边的最小距离处。 本发明还涉及用于执行这种钻井的仪器的使用。