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    • 1. 发明公开
    • PREOPERATIVE PLANNING AND ASSOCIATED INTRAOPERATIVE REGISTRATION FOR A SURGICAL SYSTEM
    • EP4331513A2
    • 2024-03-06
    • EP24150442.2
    • 2016-05-27
    • Mako Surgical Corp.
    • OTTO, Jason KarlABBASI, Abdullah ZafarIKITS, MilanPEREZ, DanielMU, ShangLI, XipingCHANG, Ta-Cheng
    • A61B17/3209
    • A method of generating resection data for use in planning an arthroplasty procedure on a knee joint including a femur and a tibia of a patient comprises: receiving a three-dimensional femur model and a three-dimensional femur implant model oriented relative to each other in a first pre-planned orientation in a common three-dimensional coordinate system, the three-dimensional femur model corresponding to the femur of the patient, the three-dimensional femur implant model including a medial condyle surface and a lateral condyle surface; receiving a three-dimensional tibia model and a three-dimensional tibia implant model oriented relative to each other in a second pre-planned orientation in the common three-dimensional coordinate system, the three-dimensional tibia model corresponding to the tibia of the patient, the three-dimensional tibia implant model including a medial articular surface and a lateral articular surface, the three-dimensional femur model and the three-dimensional tibia model oriented relative to each other according to a pose of the femur and tibia of the patient via a navigation system; receiving first position and orientation data corresponding to a first position and orientation of the femur and the tibia in a first pose; calculating a first signed distance between the medial condyle surface of the three-dimensional femur implant model and a first point on or associated with the three-dimensional tibia implant model in the first pose; calculating a second signed distance between the lateral condyle surface of the three-dimensional femur implant model and a second point on or associated with the three-dimensional tibia implant model in the first pose; determining or adjusting a resection depth based on the first and second signed distances; and generating resection data using the resection depth, the resection data configured to be utilized by the navigation system during the arthroplasty procedure.
    • 6. 发明公开
    • CRUCIATE-RETAINING TIBIAL PROSTHESIS
    • 保留性骨折假体
    • EP2962667A1
    • 2016-01-06
    • EP15174909.0
    • 2015-07-01
    • Mako Surgical Corp.
    • IRWIN, Ronald R.OTTO, Jason KarlABBASI, Ali ZafarNADZADI, Mark Ellsworth
    • A61F2/38
    • A61F2/389A61F2002/30688A61F2002/30878
    • A tibial prosthesis (120) comprises a medial base portion (121a) configured to engage a medial surface of a tibia (101) and a lateral base portion (121b) configured to engage a lateral surface of the tibia. At least a portion of the medial and lateral base portions are separated by a passage (138) interposed therebetween. The tibial prosthesis also comprises a bridge (125) coupling the medial base portion and the lateral base portion, wherein at least a portion of the bridge is elevated above a portion of the passage between the medial base portion and the lateral base portion. The bridge may define an underlying area that receives at least a portion of a tibial eminence when the tibial prosthesis is engaged with the tibia, wherein the height of the bridge varies in a superior direction across the passage.
    • 胫骨假体(120)包括构造成接合胫骨(101)的内侧表面的内侧基部(121a)和构造成接合胫骨的外侧表面的外侧基部(121b)。 内侧和外侧基部的至少一部分通过介于它们之间的通道(138)分开。 胫骨假体还包括连接内侧基部和外侧基部的桥(125),其中桥的至少一部分升高到内侧基部和外侧基部之间的通道的一部分的上方。 当胫骨假体与胫骨接合时,桥可以限定接收胫骨隆凸的至少一部分的下面区域,其中桥的高度在穿过通道的上方方向上变化。