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    • 2. 发明申请
    • INTERVERTEBRAL SPACER AND IMPLANT INSERTION INSTRUMENTATION
    • 横向间隙和植入插入仪
    • WO0207654A3
    • 2002-06-06
    • PCT/US0123481
    • 2001-07-26
    • OSTEOTECH INC
    • LIN JO-WENSCARBOROUGH NELSON L
    • A61F2/00A61F2/28A61F2/30A61F2/44A61F2/46A61L27/40
    • A61F2/4684A61F2/28A61F2/4455A61F2/4465A61F2/447A61F2/4611A61F2002/2825A61F2002/2853A61F2002/2892A61F2002/30057A61F2002/30131A61F2002/30492A61F2002/30616A61F2002/4622A61F2002/4628A61F2220/0025A61F2230/0013A61F2310/00017
    • An intervertebral spacer (400) formed of dense cancellous human or animal bone is provided. In one preferred embodiment, the intervertebral spacer (400) includes at least one bore (414) which is dimensioned to receive a plug (412) formed from cortical bone tissue. The cortical bone plug (412) provides increased mechanical strength to the intervertebral spacer (400). Instrumentation for gauging the size of an intervertebral receiving bed and for grasping and inserting an intervertebral spacer or implant into an intervertebral receiving bed are also provided. These instruments include a spacer trial or set of spacer trials for determining the appropriate size spacer required for a particular surgical procedure, a spacer introducer for grasping and positioning a spacer at least partially within a receiving bed formed in the intervertebral space, and a bone tamp for driving a spacer into the receiving bed. Any one or all these instruments may be provided in a kit for inserting an implant into the intervertebral space. The kit may also include one or more intervertebral spacers or implants.
    • 提供由致密的松质骨或动物骨形成的椎间间隔物(400)。 在一个优选实施例中,椎间间隔物(400)包括至少一个孔(414),其尺寸适于接收由皮层骨组织形成的塞子(412)。 皮质骨塞(412)为脊椎间隔物(400)提供增强的机械强度。 还提供了用于测量椎间接受床的尺寸并用于将椎间间隔物或植入物夹持并插入椎间接受床的仪器。 这些仪器包括用于确定特定手术过程所需的适当尺寸的隔离器试验或间隔试验的套件,用于将至少部分地至少部分地置于形成于椎间空间的接收床内的间隔件的间隔导引器和骨夯 用于将间隔件驱动到接收床中。 任何一个或所有这些器械可以设置在用于将植入物插入椎间空间的工具箱中。 该套件还可以包括一个或多个椎间间隔物或植入物。