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.
申请公布号
US2016074170(A1)
申请公布日期
2016.03.17
申请号
US201514942246
申请日期
2015.11.16
申请人
DePuy Synthes Products, Inc.
发明人
Rogers Christopher;Dooris Andrew;Fatylo Patrick J.;Lionetto Mark;Naughton Ronald J.;Hawkins John Riley
