发明授权
- 专利标题： ANTERIOR LATERAL SPINE CAGE-PLATE FIXATION DEVICE AND TECHNIQUE
- 专利标题（中）： 前侧横向板状脊柱固定装置与技术
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申请号： EP99970912.4申请日： 1999-10-27
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公开(公告)号： EP1124511B1公开(公告)日： 2005-09-21
- 发明人: LEHUEC, Jean-Charles , LIU, Mingyan , JOSSE, Loic
- 申请人： SDGI Holdings, Inc.
- 申请人地址： 300 Delaware Avenue, Suite 508 Wilmington, DE 19801 US
- 专利权人： SDGI Holdings, Inc.
- 当前专利权人： SDGI Holdings, Inc.
- 当前专利权人地址： 300 Delaware Avenue, Suite 508 Wilmington, DE 19801 US
- 代理机构： Stark, Amanda Jane
- 优先权： US181362 19981028
- 国际公布： WO2000024343 20000504
- 主分类号： A61F2/44
- IPC分类号： A61F2/44
摘要：
An interbody fusion cage (12) has an externally threaded stem (19) projecting from a domed outer end (22). A contoured plate (11) is provided with an aperture (23A) receivable on the stem. The stem threads (26) receive a nut (21) to fix the plate to the cage. Bone screws (16-18) anchor the plate to vertebral bodies (13, 14). A hemispherical surface (23) on the plate (11) and surrounding the stem-receiving aperture (23A) and bearing on the dome (22), accommodates universal angulation of the plate relative to the cage. In addition to a cage installation tool (51), there is a plate installation tool assembly including a plate holder (31), a nut holder (34T) and cage adjuster (34), a nut driver (33), and a plate holding prong controller (32, 43).
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