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    • 6. 发明申请
    • METHODS AND INSTRUMENTATION FOR DISC SPACE DISTRACTION
    • DISC空间分布的方法和仪器
    • WO0128466A3
    • 2002-01-24
    • PCT/US0041394
    • 2000-10-20
    • SDGI HOLDINGS INCFOLEY KEVIN TLIU MINGYAN
    • FOLEY KEVIN TLIU MINGYAN
    • A61B17/56A61B17/02
    • A61B17/025A61B2017/0256
    • Methods and instrumentation for surgical procedures relating to preparation of vertebral bodies and a disc space for insertion of spinal implants is disclosed. The instruments and methods are particularly adapted for a posterior approach to the spine. One instrument is a shim (10) having a blade (14) and a shaft (12) having a first end connected with the blade (14). The blade (14) is inserted into a distracted disc space to maintain distraction during subsequent procedures. In one embodiment, the shaft (12) can be bent away from the operative field. In another embodiment, the shim (10) is used in an endoscopically assisted approach to the spine. Another instrument is a driver for driving the blade (14) of the shim (10) into the distracted disc space. Various methods contemplate the use of these instruments to maintain disc space distraction during disc space preparation for receiving an implant.
    • 公开了与准备椎体相关的外科手术的方法和仪器以及用于插入脊柱植入物的椎间盘空间。 仪器和方法特别适用于脊柱后路。 一个仪器是具有叶片(14)和轴(12)的垫片(10),其具有与叶片(14)连接的第一端。 刀片(14)被插入到分散的盘空间中以在随后的过程中保持分心。 在一个实施例中,轴(12)可以远离操作区域弯曲。 在另一个实施例中,垫片(10)用于对脊柱进行内窥镜辅助的方法。 另一种仪器是用于将垫片(10)的叶片(14)驱动到分散的盘空间中的驱动器。 各种方法考虑使用这些仪器来在用于接收植入物的盘空间准备期间维持椎间盘空间分心。
    • 10. 发明申请
    • VERTEBRAL IMPLANT FOR PROMOTING ARTHRODESIS OF THE SPINE
    • 用于促进脊椎动物的VERTEBRAL植入物
    • WO0168005A3
    • 2002-08-29
    • PCT/US0108073
    • 2001-03-14
    • SDGI HOLDINGS INCLIU MINGYANFRUH HANS-JOACHIMEBNER HARALDESTES BRADLEY T
    • LIU MINGYANFRUH HANS-JOACHIMEBNER HARALDESTES BRADLEY T
    • A61B17/58A61F2/00A61F2/28A61F2/30A61F2/44A61F2/46
    • A61F2/447A61F2/30965A61F2/442A61F2/4611A61F2002/2835A61F2002/3008A61F2002/30271A61F2002/30774A61F2002/30785A61F2002/30789A61F2002/4475A61F2230/0082A61F2250/0098
    • This invention provides a vertebral spacer (1, 80) for impaction in a disc space to restore and/or maintain desired disc space height and spinal orientation. The spacer has an elongated basis body (2, 82) having a generally lens-shape provided by convex upper and lower surfaces (24, 26, 86, and 87). Bearing surfaces (8, 8',9, 9', 98 and 100) are provided on the cross-edge surfaces of the endwalls (6, 7, 94 and 96). Grooves (16, 16' and 104) are provided in the upper and lower surfaces positioned between the bearing surfaces. The spacer (1, 80) can be prepared from a wide variety of materials including metallic materials, synthetic materials, polymeric materials, ceramic materials, and composite materials including reinforced materials i.e. glass, fiber, and/or carbon fiber reinforced materials (CFRP). These preferred materials for fabricating spacers in the present invention reduce costs, increase service life and provide excellent physiological compatibility. The non-metallic material can be selected to be either a substantially permanent material, a biodegradable material or a bioerodable material. Further, the spacer material can be provided to be radio opaque to facilitate monitoring of bone in growth both into the spacer and between the opposing endplates of the adjacent vertebrae.
    • 本发明提供一种用于在椎间盘空间中撞击以恢复和/或维持期望的椎间盘高度和脊柱取向的椎间隔物(1,80)。 间隔件具有由凸形的上表面和下表面(24,26,86和87)提供的具有大致透镜形状的细长基体(2,82)。 轴承表面(8,8',9,9',98和100)设置在端壁(6,7,94和96)的交叉边缘表面上。 沟槽(16,16'和104)设置在位于支承表面之间的上表面和下表面中。 间隔物(1,80)可以由各种材料制备,包括金属材料,合成材料,聚合材料,陶瓷材料和复合材料,包括增强材料,例如玻璃,纤维和/或碳纤维增强材料(CFRP) 。 在本发明中用于制造间隔物的这些优选材料降低成本,延长使用寿命并提供优异的生理相容性。 非金属材料可以选择为基本上永久性的材料,可生物降解的材料或生物可蚀塑料。 此外,间隔物材料可以设置为无线电不透明的,以便于监测生长中的骨骼,进入间隔物和相邻椎骨的相对端板之间。