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    • 10. 发明申请
    • EXPANDABLE INTERBODY IMPLANT
    • 可扩展的INTERBODY IMPLANT
    • WO2016073214A1
    • 2016-05-12
    • PCT/US2015/056929
    • 2015-10-22
    • WARSAW ORTHOPEDIC, INC.
    • MELKENT, Anthony J.ARMSTRONG, William D.PALMATIER, Stanley T.
    • A61F2/44A61F2/46
    • A61F2/4455A61F2/447A61F2002/30428A61F2002/30471A61F2002/30507A61F2002/30538A61F2002/30581A61F2002/30904A61F2002/4475
    • An expandable interbody implant for insertion into a disc space, between two adjacent vertebrae. An upper member and lower member are pivotally connected by a drive link. A bone graft storage portion packed with a volume of bone growth material. A translational wall is provided between the bone graft storage portion and a trailing end of the implant. An actuator engages the bone graft storage portion, pushing it into engagement with the drive link, which pivots upward, moving the upper member upward away from the lower member. Upward movement of the upper member raises the translational wall to a position for retention of the bone graft material within the hollow portion of the bone graft storage portion. Upward rotation of the drive link brings a face into contact with a front of the bone graft storage portion, thereby retaining near constant volume of the bone graft material.
    • 用于插入到两个相邻椎骨之间的椎间盘空间中的可扩张的椎间植入物。 上部构件和下部构件通过驱动连杆枢转地连接。 填充有一定体积的骨生长材料的骨移植物储存部分。 在骨移植物储存部分和植入物的尾端之间提供平移壁。 致动器接合骨移植物储存部分,将其推向与向上枢转的驱动连杆接合,使上部构件向上移动远离下部构件。 上部构件的向上运动将平移壁升高到用于将骨移植材料保持在骨移植物储存部分的中空部分内的位置。 驱动连杆的向上旋转使得与骨移植物存储部分的前部接触的面,从而保持接近体积的骨移植材料。