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    DEVICES, SYSTEMS, AND METHODS FOR DETERMINING TIBIA CORONAL ALIGNMENT
    2.
    发明公开
    DEVICES, SYSTEMS, AND METHODS FOR DETERMINING TIBIA CORONAL ALIGNMENT 审中-公开

    公开(公告)号：US20240355439A1

    公开(公告)日：2024-10-24

    申请号：US18685570

    申请日：2022-08-19

    申请人： HOWMEDICA OSTEONICS CORP.

    发明人： Wael HAZIN ,  Christopher LIGHTCAP ,  Jonathan TROUSDALE ,  Martin ROCHE

    IPC分类号： G16H10/60 ,  A61B90/00 ,  A61F2/46

    CPC分类号： G16H10/60 ,  A61B2090/061 ,  A61F2002/4668

    摘要： Systems and methods are disclosed for measuring a tibia varus or valgus angle via a surgically implanted measurement device. An exemplary method may include: receiving, via at least one processor, first data from the measurement device, wherein: a housing of the measurement device is coupled to a musculoskeletal system of a patient; and the first data includes a plurality of measurements from each of an accelerometer and a gyroscope included with an inertial measurement unit disposed within the housing; receiving, via the at least one processor, a first measurement of an anatomical feature of a leg of the patient; determining the tibia varus or valgus angle based on the first measurement; and causing a display to output the determined tibia varus or valgus angle. In some embodiments, instructions for implementing the method may be stored on a non-transitory computer readable medium.

    Robotic Acetabulum Preparation For Acceptance of Acetabular Cup With Engagement Features
    3.
    发明公开
    Robotic Acetabulum Preparation For Acceptance of Acetabular Cup With Engagement Features 审中-公开

    公开(公告)号：US20240350273A1

    公开(公告)日：2024-10-24

    申请号：US18762850

    申请日：2024-07-03

    申请人： Howmedica Osteonics Corp.

    发明人： Amit Mistry

    IPC分类号： A61F2/34

    CPC分类号： A61F2/34 ,  A61F2002/3412

    摘要： In one embodiment, the present disclosure relates to an acetabular cup for implantation into a prepared acetabulum. The acetabular cup includes an inner surface, an outer surface, and an end face that separates the inner surface and the outer surface. The end face is opposite a polar region of the acetabular cup and circumscribes an open end of the acetabular cup. A plurality of protrusions project outwardly from the outer surface at predefined locations. The acetabular cup is operatively engaged to the prepared acetabulum in a planned orientation when the plurality of protrusions are received in corresponding predefined recesses in the prepared acetabulum.

    Virtual ligament balancing
    7.
    发明授权
    Virtual ligament balancing 有权

    公开(公告)号：US12080014B2

    公开(公告)日：2024-09-03

    申请号：US17953737

    申请日：2022-09-27

    申请人： Howmedica Osteonics Corp.

    发明人： Gokce Yildirim ,  Sally Liarno ,  Mark Gruczynski

    IPC分类号： G06T7/60 ,  G06T7/00

    CPC分类号： G06T7/60 ,  G06T7/0014 ,  G06T2207/30008

    摘要： A method of generating a correction plan for a knee of a patient includes obtaining a ratio of reference bone density to reference ligament tension in a reference population. A bone of the knee of the patient may be imaged. From the image of the bone, a first dataset may be determined including at least one site of ligament attachment and existing dwell points of a medial femoral condyle and lateral femoral condyle of the patient on a tibia of the patient. Desired positions of contact in three dimensions of the femoral condyles of the patient with the tibia of the patient may be obtained by determining a relationship in which a ratio of bone density to ligament tension of the patient is substantially equal to the ratio of reference bone density to reference ligament tension.