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发明公开
CN101351171A 解剖学上的椎间盘定位架及其应用 无效 - 驳回 复审申请

解剖学上的椎间盘定位架及其应用
摘要：
本发明涉及多层椎间盘定位架(1)，其具有至少三个叠置层——下层(3)、上层(2)、以及至少一个中间层(4)，所述至少一个中间层(4)用与下层(3)和上层(2)的材料不同的材料制成，且刚性较小，其特征在于，从俯视角度看，其具有菜豆籽的一般形状，且可由后入口或后侧入口植入。
摘要（英）：

A multi-layer intervertebral spacer (1) comprises at least three superimposed layers, i.e. lower (3), top (2) and at least one intermediate (4) layers, wherein said at least one intermediate layer (4) is made of a material which differs from the material of the lower (3) and top (2) layers and is less rigid and the inventive spacer, in a view from bellow, is generally shaper in the form of a bean and can be placed by means of a posterior or pasterolateral surgery.

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