INTERVERTEBRAL DISC REPLACEMENT AND ASSOCIATED INSTRUMENTATION
摘要
An endplate for an intervertebral prosthesis includes an inner domed region (330) and a peripheral rim (332) wherein the inner domed region has a non-circular plan and has an area that is at least 50 % of the area of the endplate. A surgical instrument for milling a recess in a vertebral endplate includes a cutting tool having a drive shaft with a positioning collar, a guard frame, and a pair of guide plates attached to the guard frame and space to confine the positioning collar and having guide slots for the drive shaft.
申请公布号
WO2007050644(A3)
申请公布日期
2007.08.02
申请号
WO2006US41540
申请日期
2006.10.24
申请人
NEXGEN SPINE, INC.;LEE, CASEY, K.;MAKRIS, GEORGE;CLEMOW, ALASTAIR, J., T.
发明人
LEE, CASEY, K.;MAKRIS, GEORGE;CLEMOW, ALASTAIR, J., T.