INTERVERTEBRAL DISC PROSTHESIS HAVING BALL AND RING STRUCTURE
摘要
An artificial intervertebral disc comprises two opposing shells having opposing inner surfaces and oppositely directed outer surfaces. The outer surfaces adapted for locating against adjacent vertebrae. The inner surface of one shell including a ball and the inner surface of the other shell including a cooperating ring adapted to restrict articulation of the ball within a defined region.
申请公布号
WO2009105884(A9)
申请公布日期
2009.12.23
申请号
WO2009CA00233
申请日期
2009.02.27
申请人
KINETIC SPINE TECHNOLOGIES INC.;SEKHON, LALI;DUPLESSIS, STEPHAN J.;HURLBERT, R. JOHN
发明人
SEKHON, LALI;DUPLESSIS, STEPHAN J.;HURLBERT, R. JOHN