| abstract |
A modular fusion cage and tool for the insertion of the fusion cage is provided. The fusionncage includes a ramp member (20) having superior and inferior bone contacting surfaces (22,24), andnanterior and posterior sides (26,28). The ramp member is adapted to be positioned betweennadjacent vertebral bodies. The implant also includes a ring member (40) slidably matable withnthe ramp member. The ring member includes superior and inferior bone contactingnsurfaces (42,44), and anterior and posterior sides (46,48). The implant according to the present inventionnis particularly useful for facilitating the safe and accurate insertion of the implant betweennadjacent vertebral bodies. |