Kevin T. Foley,Roy K. Lim,Matthew M. Morrison,Jonathan M. Dewey
申请号:
US15480718
公开号:
US20180289505A1
申请日:
2017.04.06
申请国别(地区):
US
年份:
2018
代理人:
摘要:
A device includes a first endplate having an engagement surface and first and second extensions. The first extension has a first ramp and the second extension has a first slot. A second endplate includes a second engagement surface and third and fourth extensions. The third extension has a second ramp and the fourth extension has a second slot. A wedge is positioned between the endplates and includes a first inclined portion that engages the first ramp and a second inclined portion that engages the second ramp. The wedge has first and second apertures. A first pin extends through the first aperture and the first slot. A second pin extends through the second aperture and the second slot. The wedge is movable relative to the endplates to move the device from a first height to an increased second height. Methods of use are disclosed.