Christopher Rogers,Andrew Dooris,Patrick J Fatyol,Mark Lionetto,Ronald Naughton,John Riley Hawkins
申请号：
US14473800
公开号：
US20140371858A1
申请日:
2014.08.29
申请国别(地区):
US
年份:
2014
代理人:
摘要：
This invention relates to an intervertebral motion disc having two motion surfaces and. wherein the radius of the upper articulation surface of the core member is greater than the radius of the lower articulation surface of the core member, and wherein the first articulation surface of the core member is spherical and the second articulation surface of the core member is curved and non-spherical.
