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Expanding Interbody Spacers
专利权人:
Nexus Spine; L.L.C.
发明人:
Daniel Manwill,Peter Halverson,David Hawkes
申请号:
US16297585
公开号:
US20190274838A1
申请日:
2019.03.08
申请国别(地区):
US
年份:
2019
代理人:
摘要:
An expandable interbody spacer includes a first endplate surface located on a first side of the spacer and adapted to contact a vertebral endplate surface of a first vertebral body, a second endplate surface located on a second, opposed, side of the spacer and adapted to contact a vertebral endplate surface of a second, opposed, vertebral body and an expansion mechanism adapted to selectively apply a distracting force between the first endplate surface and the second endplate surface, whereby actuation of the expansion mechanism causes the spacer to transition between a compressed insertion configuration to an expanded fusion configuration. The spacer also includes one or more of a deformable surface, a porosity to promote bone on-growth or through-growth, a stiffness substantially equivalent to cortical bone, and structure distributing loads through the spacer substantially without transferring the loads through higher-stiffness structures.
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