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    • 3. 发明授权
    • Liner
    • 衬垫
    • US5997579A
    • 1999-12-07
    • US553522
    • 1995-11-15
    • Bjorn AlbrektssonLars CarlssonMagnus JacobssonTord RostlundStig Wennberg
    • Bjorn AlbrektssonLars CarlssonMagnus JacobssonTord RostlundStig Wennberg
    • A61F2/00A61F2/30A61F2/34
    • A61F2/34A61F2/3094A61F2002/30354A61F2002/30357A61F2002/30367A61F2002/30378A61F2002/3038A61F2002/30487A61F2002/3401A61F2002/343A61F2002/3443A61F2220/0025A61F2220/0033A61F2310/00023
    • The present invention relates to a cup-shaped member for a hip joint prosthesis for implantation into a cavity in the bone tissue in the acetabulum, and more particularly to an acetabular cup-liner assembly, in which the acetabular cup has an outer surface intended to face the bone tissue in the acetabulum and an inner surface intended to face a liner. The liner has an outer surface intended to face the inner surface of the cup, and the cup is provided with an opening adapted to receive the liner. At least the parts of the liner corresponding to the parallel inside walls of the cup have dimensions equal to or a fraction less than the inner dimensions of the sidewalls. The parts of the surfaces of the inner side walls of the cup located adjacent to the opening of the cup are essentially parallel to each other. The surface of at least the parallel inner side walls of the cup is provided with a grooved region. The liner has an outer shape that is complementary to the inner shape of the cup. The parts of the liner corresponding to the parallel inside walls of the cup are provided with a grooved region corresponding to said grooved region on said cup.
    • PCT No.PCT / SE95 / 01274 Sec。 371日期:1995年11月15日 102(e)日期1995年11月15日PCT 1995年10月27日PCT PCT。 公开号WO96 / 13231 日期:1996年5月9日本发明涉及一种用于髋关节假体的杯形构件,用于植入髋臼骨组织中的空腔,更具体地涉及一种髋臼杯衬垫组件,其中髋臼杯具有 旨在面向髋臼中的骨组织的外表面和旨在面向衬垫的内表面。 衬套具有旨在面向杯的内表面的外表面,并且杯具有适于容纳衬垫的开口。 至少对应于杯的平行内壁的衬垫的部分尺寸等于或略小于侧壁的内部尺寸。 位于杯子开口附近的杯子的内侧壁的表面的部分基本上彼此平行。 至少杯的平行内侧壁的表面设置有开槽区域。 衬垫具有与杯的内部形状互补的外形。 对应于杯的平行内壁的衬垫部分设置有对应于所述杯上的所述开槽区域的开槽区域。
    • 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。
    • 6. 发明授权
    • Arrangement for fixing a knee-joint in defined positions and for
positional control of instruments for replacing the knee-joint with a
prosthesis
    • 用于将膝关节固定在限定位置以及用于用假体更换膝关节的仪器的位置控制的布置
    • US5007912A
    • 1991-04-16
    • US530611
    • 1990-05-30
    • Bjorn AlbrektssonStig Wennberg
    • Bjorn AlbrektssonStig Wennberg
    • A61B17/64A61G13/00A61G13/12
    • A61G13/12A61B17/6425A61G13/0036A61G13/0063A61B17/6408A61G13/1245A61G13/1295
    • The invention relates to an arrangement for fixing a knee-joint in connection with prosthetic surgery. The arrangement provides for a fixing of the operated knee-joint relative to a reference, which is represented by the operating table. The purpose is to positionally control, with high precision, measuring and cutting instruments in the prosthesis operation. The arrangement includes an alignment instrument (11) for aligning and fixing both the femur (66) and tibia (21) relative to a reference axis in both the frontal plane and the sagittal plane, which alignment instrument comprises a fixture (4) for the trunk. The fixture is adjustable and can be locked in selected positions by displacement transverse to the reference axis. The alignment instrument also comprises a further fixture for fixing the knee-joint (20, 22) and tibia (21). The arrangement moreover comprises a positional control unit for positional control of measuring and cutting instruments. This permits a controlled, precise and delicate bone-cutting, which creates the conditions for the desired positioning and exact fitting between prosthesis bed and prosthesis.
    • 本发明涉及一种用于固定与假体手术相关的膝关节的装置。 该装置提供了操作的膝关节相对于参考的固定,由参考表示。 目的是在假体操作中以高精度,度量和切割仪器进行位置控制。 该装置包括对准仪器(11),用于在前平面和矢状平面中相对于参考轴线对准和固定股骨(66)和胫骨(21),该对准仪器包括用于 树干。 夹具是可调节的,可以通过横向于参考轴的位移锁定在选定的位置。 对准仪器还包括用于固定膝关节(20,22)和胫骨(21)的另外的夹具。 该装置还包括用于测量和切割仪器的位置控制的位置控制单元。 这允许受控,精确和精细的骨切割,其为假体床和假体之间的期望定位和精确拟合创造条件。
    • 7. 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。
    • 9. 发明授权
    • Artificial menisco-tibial joint
    • 人造胫骨关节
    • US4728332A
    • 1988-03-01
    • US801706
    • 1985-11-26
    • Bjorn Albrektsson
    • Bjorn Albrektsson
    • A61F2/38
    • A61F2/3868A61F2002/3895
    • An artificial menisco-tibial joint for a knee joint prosthesis of the kind which includes at least one tibial component on which the meniscus is movably disposed. The meniscus has a largely flat sliding surface against the tibial condyle which is provided with steering means imparting to the meniscus an ability to move in all directions along the tibial condyle. The steering means are so disposed that they limit the magnitude of the movement. The steering means consist preferably of two locating pins situated at a distance from each other which interact each with its own running track in the tibial condyle so that the meniscus, apart from a movement largely forwards and rearwards along the tibial condyle, is also imparted a sideways movement. Alternatively, the steering means consist of a posterior edge on the metal socket attached to the tibia.
    • 一种用于膝关节假体的人造胫骨关节,其包括至少一个胫骨部件,弯液面可移动地设置在该胫骨部件上。 弯液面具有抵抗胫骨髁的基本平坦的滑动表面,其具有向弯液面赋予沿着胫骨髁的所有方向移动的能力的转向装置。 转向装置被设置成限制运动的大小。 转向装置优选地包括两个定位销,所述两个定位销彼此间隔一定距离,每个定位销与胫骨髁中的其自己的行进轨迹相互作用,使得除了沿着胫骨髁大体向前和向后的运动之外,弯液面也被赋予 侧身运动 或者,转向装置由连接到胫骨的金属插座上的后边缘组成。