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    • 3. 发明申请
    • BONE SCREW PURCHASE AUGMENTATION IMPLANTS, SYSTEMS AND TECHNIQUES
    • 骨螺钉购买补充植入物,系统和技术
    • WO2009155577A2
    • 2009-12-23
    • PCT/US2009048055
    • 2009-06-19
    • SYNTHES USA LLCSYNTHES GMBHKALE SHREEDHARCHIEN DENNISDELURIO ROBERTCOMPTON CURTIS
    • KALE SHREEDHARCHIEN DENNISDELURIO ROBERTCOMPTON CURTIS
    • A61B17/68F16B13/00
    • A61B17/686F16B2013/009
    • The present invention provides a system, device, instruments and methods for improving the holding strength and purchase of a screw in the body, preferably a screw in bone, preferably a vertebral bone. In one embodiment an allograft tissue form configured for placement between a preformed hole preferably through a pedicle and into the interior of a vertebral body is provided to receive a pedicle screw that is to be introduced through the allograft tissue form. Embodiments include monolithic allograft tissue forms, multi-piece allograft tissue forms, distally expandable portions, partially and fully demineralized portions, and flexible connecting portions. Advantages of the allograft tissue forms of the present invention include improved pedicle screw blackout strength. Methods for making and instruments and techniques for inserting the augmentation device, system and pedicle screws are also disclosed.
    • 本发明提供了一种用于提高保持强度并购买本体中的螺钉的系统,装置,仪器和方法,优选地在骨头中的螺钉,优选地是椎骨。 在一个实施例中,提供了构造成用于放置在优选穿过椎弓根的预成形孔并进入椎体内部的同种异体移植组织形式以接收待通过同种异体移植组织形式引入的椎弓根螺钉。 实施方案包括整体同种异体移植组织形式,多片同种异体移植组织形式,远端可扩展部分,部分和完全脱矿质部分以及柔性连接部分。 本发明的同种异体移植组织形式的优点包括改善的椎弓根螺钉停电强度。 还公开了制造方法以及用于插入增大装置,系统和椎弓根螺钉的仪器和技术。