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    Joint laxity measurement
    1.
    发明公开
    Joint laxity measurement 失效
    关节活动性的测量。

    公开(公告)号：EP0204639A2

    公开(公告)日：1986-12-10

    申请号：EP86401217.4

    申请日：1986-06-05

    Applicant: FARO MEDICAL TECHNOLOGIES INC.

    Inventor： Fraser, Gregory A. ,  Raab, Simon

    IPC: A61B5/103

    CPC classification number: A61B5/4528 ,  A61B5/103 ,  A61B5/1107 ,  A61B5/702

    Abstract: A method for measuring parameters relating to the stability of joints in a patient's body includes the steps of securing a reference portion of the joint (that portion of the joint closest to the body) to a fixed location. A three dimensional digitization of the size, shape, position and coordinate system of the two portions is performed. A soft tissue compensation procedure is performed by applying forces to the reference portion of the joint to thereby determine the amount of reference portion motion, in the soft tissue surrounding the reference portion, due to these forces. A variety of forces are applied to the relative portion of a joint, which is movable relative to the reference portion thereof, and the total motion of the reference and relative portions associated with the forces are measured. By subtracting the motion determined in the soft tissue compensation from motion as determined by applying a variety of forces, the motion of only the relative portion relative to the reference portion is determined.

    Joint laxity measurement
    2.
    发明公开
    Joint laxity measurement 失效
    联合LAXITY测量

    公开(公告)号：EP0204639A3

    公开(公告)日：1987-08-19

    申请号：EP86401217

    申请日：1986-06-05

    Applicant: FARO MEDICAL TECHNOLOGIES INC.

    Inventor： Fraser, Gregory A. ,  Raab, Simon

    IPC: A61B05/10

    CPC classification number: A61B5/4528 ,  A61B5/103 ,  A61B5/1107 ,  A61B5/702

    Abstract: A method for measuring parameters relating to the stability of joints in a patient's body includes the steps of securing a reference portion of the joint (that portion of the joint closest to the body) to a fixed location. A three dimensional digitization of the size, shape, position and coordinate system of the two portions is performed. A soft tissue compensation procedure is performed by applying forces to the reference portion of the joint to thereby determine the amount of reference portion motion, in the soft tissue surrounding the reference portion, due to these forces. A variety of forces are applied to the relative portion of a joint, which is movable relative to the reference portion thereof, and the total motion of the reference and relative portions associated with the forces are measured. By subtracting the motion determined in the soft tissue compensation from motion as determined by applying a variety of forces, the motion of only the relative portion relative to the reference portion is determined.

    Knee laxity evaluator and motion module/digitizer arrangement
    5.
    发明公开
    Knee laxity evaluator and motion module/digitizer arrangement 失效
    Kniebeweglichkeitsauswerter和运动模块/数字转换器。

    公开(公告)号：EP0155857A2

    公开(公告)日：1985-09-25

    申请号：EP85400145.0

    申请日：1985-01-29

    Applicant: FARO MEDICAL TECHNOLOGIES INC.

    Inventor： Fraser, Gregory A. ,  Raab, Simon

    IPC: G01B7/00 ,  A61B5/10

    CPC classification number: A61B5/4528 ,  A61B5/1107 ,  A61B5/6828 ,  A61B5/6829 ,  A61B5/702 ,  A61B2562/046 ,  G01B7/004 ,  G01B7/30 ,  Y10S482/901

    Abstract: The invention relates to a knee laxity evaluator which consists of an instrumented seat (9), a restraint means (7) for restraining the thigh of a patient to the instrumented seat, a motion module (11) for measuring motion of the unrestrained part of the leg relative to the thigh of the patient, and processor means for analyzing outputs of the instrumented seat and the motion module to provide indications of applied force and relative motion. The invention also relates to a specific motion module/digitizer combination which can be used as a part of the knee laxity evaluator, or which can be used independently or in alternate systems. The invention also relates to a novel dynanometer for use in the knee laxity evaluator which includes a triple beam arrangement.

    Knee laxity evaluator and motion module/digitizer arrangement
    7.
    发明公开
    Knee laxity evaluator and motion module/digitizer arrangement 失效
    KNEE LAXITY EVALUATOR和运动模块/ DIGITIZER安排

    公开(公告)号：EP0155857A3

    公开(公告)日：1988-10-26

    申请号：EP85400145

    申请日：1985-01-29

    Applicant: FARO MEDICAL TECHNOLOGIES INC.

    Inventor： Fraser, Gregory A. ,  Raab, Simon

    IPC: G01B07/00 ,  A61B05/10

    CPC classification number: A61B5/4528 ,  A61B5/1107 ,  A61B5/6828 ,  A61B5/6829 ,  A61B5/702 ,  A61B2562/046 ,  G01B7/004 ,  G01B7/30 ,  Y10S482/901

    Abstract: The invention relates to a knee laxity evaluator which consists of an instrumented seat (9), a restraint means (7) for restraining the thigh of a patient to the instrumented seat, a motion module (11) for measuring motion of the unrestrained part of the leg relative to the thigh of the patient, and processor means for analyzing outputs of the instrumented seat and the motion module to provide indications of applied force and relative motion. The invention also relates to a specific motion module/digitizer combination which can be used as a part of the knee laxity evaluator, or which can be used independently or in alternate systems. The invention also relates to a novel dynanometer for use in the knee laxity evaluator which includes a triple beam arrangement.

    3-Dimensional digitizer for skeletal analysis
    9.
    发明公开
    3-Dimensional digitizer for skeletal analysis 失效
    Dreidimensional Digitalumformer zur Skelettanalyse。

    公开(公告)号：EP0244274A1

    公开(公告)日：1987-11-04

    申请号：EP87400551.5

    申请日：1987-03-12

    Applicant: FARO MEDICAL TECHNOLOGIES INC.

    Inventor： Fraser, Gregory A. ,  Raab, Simon

    IPC: A61B5/103

    CPC classification number: G01B5/004 ,  A61B5/015 ,  A61B5/1077

    Abstract: A method of performing 3-dimensional skeletal analysis on a patient using an apparatus which includes a digitizer (11) measuring the position of a point, or a group of points, on the patient's body in 3-dimensional space. The digitizer includes a plurality of rotatable transducers (13) and a plurality of link members (15) linking the rotatable transducers. The free end of the digitizer (11) is adapted to accept a digitizer tip (17) and the output of the digitizer (11) is connected to a computer.

    Abstract translation: 使用包括在三维空间中测量患者身体上的点或一组点的位置的数字化仪（11）的装置对患者进行三维骨骼分析的方法。 数字转换器包括多个可旋转换能器（13）和连接可旋转换能器的多个连杆构件（15）。 数字转换器（11）的自由端适于接受数字转换器尖端（17），并且数字转换器（11）的输出端连接到计算机。

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