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    Orthopedic Fixation Strut Swapping
    2.
    发明申请
    Orthopedic Fixation Strut Swapping 有权

    公开(公告)号：US20220378476A1

    公开(公告)日：2022-12-01

    申请号：US17816490

    申请日：2022-08-01

    申请人： Synthes GmbH

    发明人： Bernd Gutmann ,  Scott Lavoritano ,  Andreas Gamber

    IPC分类号： A61B17/62 ,  A61B34/10 ,  A61B17/64 ,  A61B17/66

    摘要： A plurality of three-dimensional fixator graphical representations may include graphical indications of a strut swap range. A plurality of replaced strut graphical representations may change from a first rendering state in a swap start fixator graphical representation to a second rendering state in a swap end fixator graphical representation. A plurality of replacement graphical representations may change from the second rendering state in the swap start fixator graphical representation to the first rendering state in the swap end fixator graphical representation. In some examples, the plurality of replaced strut graphical representations may gradually fade out from a swap start stage to a swap end stage, and the plurality of replacement strut graphical representations may gradually fade in from a swap start stage to a swap end stage. Additionally, a treatment plan including at least one interfamily strut swap may be generated for manipulating a fixator to correct a deformity.

    Surgical power drill including a measuring unit suitable for bone screw length determination
    3.
    发明授权
    Surgical power drill including a measuring unit suitable for bone screw length determination 有权

    公开(公告)号：US11478255B2

    公开(公告)日：2022-10-25

    申请号：US16918337

    申请日：2020-07-01

    申请人： Synthes GmbH

    发明人： Markus Windolf ,  Michael Schuetz

    IPC分类号： A61B17/16

    摘要： A device (25) for drilling holes in bone and configured to determine bone screw length, the device (25) including a surgical power drill (2) comprising: a) a housing (12) and; b) a measuring device (1) releasably attached or fixed to the housing (12), wherein the measuring device (1) is configured to measure the distance (x) covered by the housing (12) in the direction of the longitudinal axis (7) and relative to a surface of an implant (26) or a bone during a drilling process, wherein the measuring device (1) comprises a processing unit (14) to record the distance (x) covered with respect to time; the processing unit (14) comprises one or more differentiators to determine at least the first and second derivatives of the distance (x) covered with respect to time; and the processing unit (14) further comprises a peak detector to analyze one or more peaks occurring in the graph of the highest derivative with respect to time, and wherein the measuring device (1) comprises a laser device or an ultrasound position sensor for displacement assessment.

    SURGICAL SAW BLADE
    7.
    发明申请
    SURGICAL SAW BLADE 有权

    公开(公告)号：US20230013089A1

    公开(公告)日：2023-01-19

    申请号：US17937243

    申请日：2022-09-30

    申请人： Synthes GmbH

    发明人： Stefan GISLER

    IPC分类号： A61B17/14 ,  A61B17/16

    摘要： A surgical saw blade has an upper surface and a lower surface, and includes a first end having right and left side edges, where the first end is configured to connect to an oscillating head of a powered saw. The saw blade also has a cutting end; and an elongated shank connecting the first end and the cutting end. The first end of the saw blade may be narrower than the shank, and a stopping surface may connect the first end to the elongated shank. The stopping surface is configured to engage the oscillating head of the powered saw, so as to ensure correct positioning of the saw blade relative to the oscillating head. The elongated shank of the saw blade may have an elongated hole through the shank, where the size and shape of the elongated hole are configured to optimize a resonant frequency and/or a dynamic stiffness of the saw blade. The cutting end of the saw blade may have a plurality of first teeth thereon, where each first tooth is mounted on a distal end of a tine. Each pair of adjacent tines is separated by a longitudinal slot, with a distal end of each longitudinal slot being bridged by a web connecting a corresponding pair of adjacent tines.

    Hinge Detection For Orthopedic Fixation
    8.
    发明申请
    Hinge Detection For Orthopedic Fixation 有权

    公开(公告)号：US20210312625A1

    公开(公告)日：2021-10-07

    申请号：US16839381

    申请日：2020-04-03

    申请人： Synthes GmbH

    发明人： Bernd Gutmann ,  Andreas Gamber

    IPC分类号： G06T7/00 ,  G06T7/168 ,  G16H30/40

    摘要： First and second images are displayed of anatomical structure segments with an attached fixator. Indications may be received of first image hinge locations of a plurality of hinges of the fixator in the first image. Projected second image hinge locations may be determined based at least in part on the first image hinge locations. Hinge candidates may be detected in the second image having shapes associated with the plurality of hinges. The hinges candidates may be detected by computer software using automated software-based image analysis techniques. Adjusted second image hinge locations may then be calculated based at least in part on the projected second image hinge locations and candidate second image hinge locations. The adjusted second image hinge locations may be used to determine physical locations of the fixator and anatomical structure segments in three-dimensional space, which may be used to determine manipulations to the fixator for deformity correction.