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    • 1. 发明申请
    • PINLESS FEMORAL TRACKING
    • 无痕股骨跟踪
    • WO2018031744A1
    • 2018-02-15
    • PCT/US2017/046250
    • 2017-08-10
    • THINK SURGICAL, INC.
    • BONNY, Daniel, P.ZUHARS, Joel
    • A61B34/20A61B34/10A61B90/00
    • A61B34/20A61B34/10A61B90/00A61B90/39A61B2034/104A61B2034/105A61B2034/2055A61B2034/2068A61B2090/3945
    • A system and method are provided to optically track a subject's anatomy without the need for the use of invasive pins and screws currently used to support and attach six-degree-of-freedom fiducial arrays directly to the bone. The system and method is especially advantageous for surgical procedures involving brittle or osteoporotic bone or any other procedure where the preservation of surrounding healthy bone is desirable. The system and method are advantageous for computer-assisted total knee arthroplasty, revision knee arthroplasty, and other medical procedures where the position and orientation (POSE) of bone surface cuts planes are critical for successful placement and correct alignments of joint implants. Often, these procedures require a form of external support to reduce the motion of the bones relative to the computer-assisted device.
    • 提供一种系统和方法来光学追踪对象的解剖结构,而不需要使用当前用于支撑和附着六自由度基准阵列的侵入式针和螺钉直接到骨 。 该系统和方法对于涉及脆性或骨质疏松性骨的手术程序或任何其中期望保存周围健康骨的程序是特别有利的。 该系统和方法对于计算机辅助全膝关节成形术,翻修膝关节成形术和其他医疗程序是有利的,其中骨表面切割平面的位置和定向(POSE)对于关节植入物的成功布置和正确对准是关键的。 通常,这些程序需要一种外部支持来减少骨骼相对于计算机辅助设备的运动。
    • 3. 发明申请
    • METHOD AND APPARATUS FOR JUDGING IMPLANT ORIENTATION DATA
    • 用于判断植入方向数据的方法和设备
    • WO2016180438A8
    • 2017-04-27
    • PCT/EP2015060195
    • 2015-05-08
    • BRAINLAB AG
    • DOHMEN LARSSCHUBERT MARIOWIEDENMANN ANNA
    • A61B34/10A61B34/20A61F2/36A61F2/46
    • A61B34/10A61B34/20A61B2034/102A61B2034/104A61F2002/4633
    • A data processing method performed by a computer for judging implant orientation data representing an orientation of a first implant part relative to a first bone, the first implant part being part of an implant pair which further comprises a second implant part for a second bone, the implant pair being envisaged to be implanted in a patient, comprising the steps of: - acquiring the implant orientation data, - acquiring second implant orientation data representing the orientation of the second implant part relative to the second bone, - acquiring implant shape data representing the shapes of the first and second implant parts, - acquiring activity data representing at least one desired activity of the patient to be possible after implanting the implant, wherein each desired activity has an associated range of motion between the first bone and the second bone, - calculating a range of motion volume, which represents possible orientations between the first bone and the second bone over three rotational axes, from the implant orientation data, the second implant orientation data and the implant shape data, and - judging the implant orientation data to be feasible if the ranges of motion of all desired activities lie within the range of motion volume.
    • 由计算机执行的用于判断表示第一植入物部分相对于第一骨的取向的植入物取向数据的数据处理方法,所述第一植入物部分是植入物对的一部分,所述植入物对还包括用于第二骨的第二植入物部分,所述 包括以下步骤: - 获取所述植入物定向数据, - 获取表示所述第二植入物部分相对于所述第二骨的取向的第二植入物取向数据, - 获取表示所述植入物形状数据的植入物形状数据,所述植入物形状数据代表 第一植入物部分和第二植入物部分的形状; - 在植入植入物之后获取代表患者的至少一个期望活动的活动数据,其中每个期望活动具有第一骨与第二骨之间的相关联的运动范围, - 计算表示第一骨与第二骨之间在t上可能的取向的运动体积范围 从植入物取向数据,第二植入物取向数据和植入物形状数据获得三个旋转轴,以及 - 如果所有期望活动的运动范围位于运动体积范围内,则判断植入物取向数据是可行的。