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    • 7. 发明授权
    • Method and apparatus for resecting a distal femur and a proximal tibia in preparation for implanting a partial knee prosthesis
    • 用于切除远端股骨和胫骨近端的方法和装置,以准备植入部分膝关节假体
    • US06632225B2
    • 2003-10-14
    • US09885864
    • 2001-06-20
    • Adam H. SanfordToby N. FarlingRobert A. HodorekMark A. PricePaul L. SaengerRichard V. Williamson
    • Adam H. SanfordToby N. FarlingRobert A. HodorekMark A. PricePaul L. SaengerRichard V. Williamson
    • A61F500
    • A61B17/154A61B17/155A61B17/157A61F2/38A61F2002/3895
    • A method of resecting a proximal tibia and distal femur for implanting a partial knee prosthesis uses a resecting kit which includes multiple spacers, each of which has a different spacing dimension. A surgeon selects the appropriate spacer with the amount of correction desired to align the patient's leg and installs the spacer with the spacing dimension between the distal femur and proximal tibia which is to receive the partial knee prosthesis. The spacers have projecting stems, upon which a resector is installed. The resector is then aligned with the axis selected by the surgeon according to known methods, and is pinned to the femur and proximal tibia. A distal femoral cut is then made in the femur after which the resector is removed while leaving at least two of the pins in place, the pins being headless pins. A second resector is then installed on the pins to effect the required cut of the tibia. Additional cuts are made in the femur according to known procedures, and the femoral and tibial prostheses are then installed, according to known procedures.
    • 切除近端胫骨和远端股骨以植入部分膝关节假体的方法使用包括多个间隔件的切除套件,每个间隔件具有不同的间隔尺寸。 外科医生选择具有校正患者腿部的校正量的适当的间隔物,并且安装具有在接收部分膝关节假体的股骨远端和近端胫骨之间的间隔尺寸的间隔件。 间隔件具有突出的杆,在其上安装有一个止回器。 然后根据已知的方法,将切除器与由外科医生选择的轴线对齐,并且固定到股骨和近端胫骨。 然后在股骨中制造远端股骨切口,之后取下止血器,同时将至少两个销放置在适当的位置,销是无头销。 然后将第二个切除器安装在销上以实现所需的胫骨切割。 根据已知的程序在股骨中进行额外切割,然后根据已知的程序安装股骨和胫骨假体。
    • 10. 发明授权
    • Method and apparatus for achieving correct limb alignment in unicondylar knee arthroplasty
    • 用于在单髁膝关节置换术中获得正确的肢体对准的方法和装置
    • US08454616B2
    • 2013-06-04
    • US11456310
    • 2006-07-10
    • Robert A. HodorekAdam H. SanfordRichard L. WilliamsonPaul V. SaengerToby N. Farling
    • Robert A. HodorekAdam H. SanfordRichard L. WilliamsonPaul V. SaengerToby N. Farling
    • A61F5/00
    • A61B17/154A61B17/155A61B17/157
    • A method and apparatus for correcting limb alignment in a unicondylar knee arthroplasty and linking the distal femoral cut and the proximal tibial cut. Alignment rods are connected to a spacing apparatus to facilitate correction of limb alignment. The alignment rods are positioned along the mechanical axis of the femur and the tibia and the knee joint is positioned to correct alignment. A spacing apparatus is positioned in the relevant knee compartment and utilized to hold the knee in position to correct limb alignment. The spacing apparatus includes a femoral cut slot through which the distal femoral cut is made and further includes tibial affixment apertures through which a headless securing device can be positioned to secure the spacing apparatus to the tibia. After the distal femoral resection is complete, the spacing apparatus is removed, with the headless securing devices remaining positioned in the tibia. The headless securing devices are used as a reference for securing a tibial cut block to the tibia for making the proximal tibial resection. With the mechanism of the present invention, the knee can be placed in flexion when making the proximal tibial cut and the distal femoral cut is linked to the proximal tibial cut.
    • 一种用于矫正单髁膝关节置换术中肢体对位的方法和装置,并且连接股骨远端切口和近端胫骨切口。 对准杆连接到间隔装置以便于肢体对准的校正。 对准杆沿着股骨的机械轴线定位,并且胫骨和膝关节定位成校正对准。 间隔装置位于相关的膝盖室中,用于将膝盖保持在适当的位置以校正肢体对准。 所述间隔装置包括股骨切割槽,所述远端股骨切口通过所述切口槽进一步包括胫骨固定孔,无头固定装置可通过所述胫骨固定孔将所述间隔装置固定到所述胫骨。 在股骨远端切除完成后,移除间隔装置,无头固定装置保持定位在胫骨内。 将无头固定装置用作将胫骨切割块固定到胫骨以进行近端胫骨切除的参考。 利用本发明的机构,当进行近端胫骨切割并且远端股骨切割与胫骨近端切口相连时,可以将膝盖置于弯曲处。