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    Determining the Positional Information of Characteristic Points of a Leg for Osteotomy
    2.
    发明申请
    Determining the Positional Information of Characteristic Points of a Leg for Osteotomy 审中-公开
    确定截骨特征点的位置信息

    公开(公告)号：US20160106515A1

    公开(公告)日：2016-04-21

    申请号：US14895019

    申请日：2013-12-12

    Applicant: BRAINLAB AG

    Inventor： Sabine Kling ,  Luise Poitzsch ,  Melanie Stulpe ,  Mario Schubert ,  Christianäß Brack ,  Timo Neubauer

    IPC: A61B5/00 ,  A61B5/11 ,  A61B17/60

    Abstract: A data processing method for determining the positional information of characteristic points of a leg, the method comprising the following steps performed by a computer: a) acquiring, by detecting via a hand-held device a stationary reference (R3) and at least one further information, at least four different positions of the femur (F), wherein the pelvis within which the femur (F) can turn is stationary with respect to the stationary reference (R3) and the femur (F) is in a different position each time a positional information value of the femur (F) is acquired; b) determining from the at least four different acquired positional information values of the femur (F) the position of the center of rotation (COR) of the femoral head in relation to a femur reference (R1, R4); c) acquiring a femur information by detecting via a hand-held device a femur reference (R1), and at least one further information; d) determining from the femur information and the at least one further information acquired in step c) the distal end point of the femur axis and the proximal end point of the tibia axis at least in relation to the femur reference (R1); and e) determining the distal end point of the tibia axis by acquiring via a hand-held device the positional information of an ankle reference (R2) being at the distal end point of the tibia axis.

    Abstract translation: 一种用于确定腿的特征点的位置信息的数据处理方法，所述方法包括由计算机执行的以下步骤：a）通过手持设备检测静态参考（R3）和至少另外一个 信息，股骨（F）的至少四个不同位置，其中股骨（F）可以在其内转动的骨盆相对于静止参考点（R3）是静止的，而股骨（F）每次处于不同的位置 获取股骨（F）的位置信息值; b）从所述股骨（F）的至少四个不同的获取的位置信息值确定股骨头相对于股骨参考（R1，R4）的旋转中心（COR）的位置; c）通过手持设备检测股骨参考（R1）和至少一个其他信息来获取股骨信息; d）从股骨信息和至少一个进一步的信息确定，所述至少一个进一步信息至少相对于股骨参考（R1）在步骤c）股骨轴线的远端点和胫骨轴线的近端点处获得; 以及e）通过经由手持装置获取在胫骨轴线的远端点处的脚踝参考（R2）的位置信息来确定胫骨轴线的远端点。

    Digital tool and method for planning knee replacement
    3.
    发明授权
    Digital tool and method for planning knee replacement 有权

    公开(公告)号：US10350089B2

    公开(公告)日：2019-07-16

    申请号：US14907080

    申请日：2013-08-14

    Applicant: Brainlab AG

    Inventor： Ingmar Hook ,  Christian Brack ,  Luise Poitzsch ,  Melanie Stulpe ,  Timo Neubauer

    IPC: A61F2/46 ,  A61B34/10 ,  A61B34/20 ,  A61B90/00 ,  A61B5/11 ,  A61B5/00 ,  A61F5/01 ,  A61B17/00

    Abstract: A medical data processing method of determining a spatial relationship between a marker device (1, 1′, 1″, 20) and a resection plane (50, 120) associated with an anatomical structure (5, 12) of a patient's body, the marker device (1, 1′, 1″, 20) being video-detectable by an imaging unit (6), the method being constituted to be executed by a computer and comprising the following steps: a) acquiring imaging unit position data describing a predetermined spatial relationship between the imaging unit (6) and the resection plane; b) acquiring marker device position data describing a spatial relationship between the marker device (1, 1′, 1″, 20) and the imaging unit (6) based on imaging the marker device (1, 1′, 1″, 20) with the imaging unit (6) in order to generate an orientation-dependent image appearance of the marker device (1, 1′, 1″, 20); c) determining, based on the imaging unit position data acquired in step a) and the marker device position data acquired in step b) and based on the orientation-dependent image appearance of the marker device (1, 1′, 1″, 20), resection plane (50, 120) data describing the spatial relationship between the resection plane (50, 120) and the marker device (1, 1′, 1″, 20).

    Method and apparatus for determining differences in geometry of subject element using landmarks
    4.
    发明授权
    Method and apparatus for determining differences in geometry of subject element using landmarks 有权

    公开(公告)号：US10244967B2

    公开(公告)日：2019-04-02

    申请号：US15617793

    申请日：2017-06-08

    Applicant: Brainlab AG

    Inventor： Mario Schubert ,  Melanie Wegner ,  Sabine Kling ,  Luise Poitzsch

    IPC: A61B5/00 ,  A61B5/107 ,  A61B5/11 ,  G01B11/14 ,  G06K9/52 ,  G06T3/60 ,  G06T7/00 ,  G06T7/60 ,  A61B34/20 ,  G06T7/30 ,  G06T7/73 ,  G06F19/00 ,  A61B90/00

    Abstract: A method, performed by a computer, for measuring geometric length and offset differences of a subject element using landmarks obtained through, for example, analysis of medical data images. The method may include obtaining medical image data from a medical imaging device. The method includes measuring, by the computer, a first landmark vector between a femoral landmark and a second landmark at a first point in time from, for example, the medical data images. Further, the method includes measuring, by the computer, a second landmark vector between the femoral landmark and the second landmark at a second point in time which is later than the first point in time from, for example, the medical data images. Calculating an orthogonal projection of the first landmark vector into a sagittal plane and using the direction of the orthogonal projection of the first landmark vector into the sagittal plane as a length direction. Calculating a direction which is perpendicular to the sagittal plane and using this direction as an offset direction and calculating the length difference in the length direction and the offset difference in the offset direction from the first landmark vector and the second landmark vector.

    Digital Tool and Method for Planning Knee Replacement
    6.
    发明申请
    Digital Tool and Method for Planning Knee Replacement 审中-公开
    数字工具和计划膝关节置换的方法

    公开(公告)号：US20160175055A1

    公开(公告)日：2016-06-23

    申请号：US14907080

    申请日：2013-08-14

    Applicant: BRAINLAB AG

    Inventor： Ingmar Hook ,  Christian Brack ,  Luise Poitzsch ,  Melanie Stulpe ,  Timo Neubauer

    IPC: A61B34/20 ,  A61B34/10 ,  A61B90/00

    CPC classification number: A61F2/4657 ,  A61B5/1114 ,  A61B5/1127 ,  A61B5/6887 ,  A61B34/10 ,  A61B34/20 ,  A61B90/06 ,  A61B90/39 ,  A61B2017/00951 ,  A61B2034/105 ,  A61B2034/2048 ,  A61B2034/2055 ,  A61B2034/2065 ,  A61B2034/2068 ,  A61B2090/067 ,  A61B2090/363 ,  A61B2090/3916 ,  A61B2090/3937 ,  A61B2090/3983 ,  A61B2090/3991 ,  A61F5/01 ,  A61F2002/4668

    Abstract: A medical data processing method of determining a spatial relationship between a marker device (1, 1′, 1″, 20) and a resection plane (50, 120) associated with an anatomical structure (5, 12) of a patient's body, the marker device (1, 1′, 1″, 20) being video-detectable by an imaging unit (6), the method being constituted to be executed by a computer and comprising the following steps: a) acquiring imaging unit position data describing a predetermined spatial relationship between the imaging unit (6) and the resection plane; b) acquiring marker device position data describing a spatial relationship between the marker device (1, 1′, 1″, 20) and the imaging unit (6) based on imaging the marker device (1, 1′, 1″, 20) with the imaging unit (6) in order to generate an orientation-dependent image appearance of the marker device (1, 1′, 1″, 20); c) determining, based on the imaging unit position data acquired in step a) and the marker device position data acquired in step b) and based on the orientation-dependent image appearance of the marker device (1, 1′, 1″, 20), resection plane (50, 120) data describing the spatial relationship between the resection plane (50, 120) and the marker device (1, 1′, 1″, 20).

    Abstract translation: 一种用于确定与患者身体的解剖结构（5,12）相关联的标记装置（1,1'，1“，20）和切除面（50,120）之间的空间关系的医学数据处理方法， 标记装置（1,1'，1“，20）由成像单元（6）可视频检测，该方法被构造成由计算机执行，包括以下步骤：a）获取描述一个 成像单元（6）与切除面之间的预定空间关系; b）基于对所述标记装置（1,1'，1“，20）成像来获取描述所述标记装置（1,1'，1”，20）和所述成像单元（6）之间的空间关系的标记装置位置数据， 与成像单元（6）相关联以产生标记装置（1,1'，1“，20）的取向相关图像外观; c）基于步骤a）中获取的成像单元位置数据和在步骤b）中获取的标记装置位置数据，并基于标记装置（1,1'，1“，20”的取向相关图像外观） ），描述切除平面（50,120）和标记装置（1,1'，1“，20）之间的空间关系的切除平面（50,120）数据。

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