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公开(公告)号：US09629723B2
公开(公告)日：2017-04-25
申请号：US14553034
申请日：2014-11-25
Applicant: Zimmer, Inc.
Inventor： Raymond C. Parisi , Nick Drury , Charles A. Baldridge
IPC: A61F2/38
CPC classification number: A61F2/3859 , A61F2/3868 , A61F2/3886 , A61F2002/30192 , A61F2310/00029 , A61F2310/00059 , A61F2310/00101 , A61F2310/00491 , A61F2310/00544
Abstract: An orthopedic knee prosthesis includes a femoral component which exhibits enhanced articular features, minimizes removal of healthy bone stock from the distal femur, and minimizes the impact of the prosthesis on adjacent soft tissues of the knee.
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22.发明申请
公开(公告)号：US20150182352A1
公开(公告)日：2015-07-02
申请号：US14660154
申请日：2015-03-17
Applicant: Zimmer, Inc.
Inventor： Raymond C. Parisi , Charles A. Baldridge
CPC classification number: A61F2/4684 , A61B17/155 , A61F2/3859 , A61F2002/30616 , A61F2002/30892
Abstract: An orthopaedic implant system includes a set of provisional orthopaedic implants having different implant sizes, in which each provisional implant facilitates an intraoperative selection of the next-smallest implant size without removing the provisional implant from the bone. All of the implant sizes share a common sagittal configuration of distal and anterior bone contacting surfaces, but have variable sagittal configurations only in the posterior bone contacting surfaces. Thus, where a relatively larger femoral provisional component is mounted to a femur, changing to a smaller provisional component (i.e., “downsizing”) can be accomplished by recutting only two of five original femoral cuts. Cut slots provided in each provisional implant are sized and positioned to correspond to the posterior bone contacting surface geometry of the next-smallest provisional implant size. Thus, the cut slots in a mounted, relatively larger implant can be used to further resect posterior femoral surfaces to accept the next smallest implant component size.
Abstract translation: 矫形植入物系统包括具有不同植入物尺寸的一组临时整形外科植入物，其中每个临时植入物有助于术中选择下一个最小的植入物尺寸，而不从骨中移除临时植入物。 所有植入物大小共享远端和前骨接触表面的共同矢状，但仅在后骨接触表面具有可变的矢状构型。 因此，在相对较大的股骨临时部件被安装到股骨的情况下，可以通过仅重新选择五个原始股骨切割中的两个来实现改变为较小的临时部件（即，“小型化”）。 每个临时种植体中提供的切口的尺寸和尺寸被设置成对应于下一个最小临时植入物大小的后骨接触表面几何形状。 因此，安装的相对较大的植入物中的切口可以用于进一步切除后股骨表面以接受下一个最小的植入物部件尺寸。
