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    • 15. 发明授权
    • Hip replacement in computer-assisted surgery
    • 髋关节置换术在计算机辅助手术中
    • US08790351B2
    • 2014-07-29
    • US12249393
    • 2008-10-10
    • François ParadisLouis-Philippe AmiotDaniel Odermatt
    • François ParadisLouis-Philippe AmiotDaniel Odermatt
    • A61B17/58A61B17/60A61F2/00
    • A61B34/73A61B17/1666A61B34/10A61B34/20A61F2/4609
    • A system for calculating a position and orientation of an acetabular cup in computer-assisted surgery comprises a first trackable reference secured to a pelvis, with a frame of reference being associated with the first trackable reference. A device is positionable between a femoral neck and the acetabulum of the pelvis in a known relation, the device having a second trackable reference. Sensors track the trackable references for position and orientation. A position/orientation calculator calculates a position and orientation of the frame of reference and of the device and for determining an orientation of the neck axis with respect to the frame of reference from the known relation at a desired position of the femur. An implant position/orientation calculator provides cup implanting information with respect to the orientation of said neck axis as a function of the tracking for position and orientation of at least the first trackable reference.
    • 用于计算计算机辅助手术中的髋臼杯的位置和取向的系统包括固定到骨盆的第一可跟踪参考,其中参考系与第一可追踪参考相关联。 一种装置可以以已知的关系定位在股骨颈与骨盆的髋臼之间,该装置具有第二可追踪参考。 传感器跟踪可追踪的位置和方位。 位置/姿态计算器计算参考系和装置的位置和方向,并且用于根据在股骨的期望位置处的已知关系来确定颈部轴线相对于参照系的取向。 植入物位置/取向计算器提供相对于所述颈部轴线的取向的杯子注入信息,作为至少第一可追踪参考物的位置和取向的跟踪的函数。
    • 17. 发明授权
    • Multifaceted tracker device for computer-assisted surgery
    • 用于计算机辅助手术的多功能跟踪器
    • US08386022B2
    • 2013-02-26
    • US11555947
    • 2006-11-02
    • Sébastien JutrasLouis-Philippe AmiotBenoît Pelletier
    • Sébastien JutrasLouis-Philippe AmiotBenoît Pelletier
    • A61B5/05
    • A61B34/20A61B90/39A61B2034/2055A61B2034/256A61B2090/3983
    • A tracker device of the type is associated with a surgical instrument and being trackable in space by a CAS system such that a position of the surgical instrument is calculable. A support is adapted to be connected to the surgical instrument. Optical elements are mounted to the support in a first pattern so as to be detectable by the CAS system along a first range of visibility. Other optical elements are mounted to the support in a second pattern so as to be detectable by the CAS system along a second range of visibility, with the first range of visibility and the second range of visibility having at most a common portion, whereby a position of the surgical instrument is tracked within the first and the second range of visibility as a function of the detection of any one of the patterns of the optical elements.
    • 该类型的跟踪器装置与外科器械相关联,并且可通过CAS系统在空间中跟踪,使得可计算手术器械的位置。 支架适于与外科器械连接。 光学元件以第一图案安装到支撑件上,以便沿着可见度的第一范围由CAS系统检测。 其他光学元件以第二图案安装到支撑件上,以便沿着可见度的第二范围由CAS系统检测,第一可见度范围和第二可见度范围具有至多公共部分,由此位置 作为检测光学元件的任何一种图案的函数,在第一和第二可见度范围内追踪外科器械。