Jason A. Edie,Lloyd Guyton Bowers Cooper,Don Byron Walker, II
申请号：
US13156769
公开号：
US08372148B2
申请日:
2011.06.09
申请国别(地区):
US
年份:
2013
代理人:
摘要：
An intervertebral spacer for positioning between vertebral members. The spacer may include contact surfaces that are configured to contact against the vertebral members. A fluid cylinder may be positioned between the first and second contact surfaces and configured to contain a fluid. The fluid cylinder may include an outer cylinder with an open first end that telescopingly receives an inner cylinder. The spacer is configured to maintain the distance between the contact surfaces at a desired amount.
