Patent ID: 7780732
Filing Date: 2010-08-24
Classification: A61F

Abstract:
1. A fusion cage comprising: a first housing portion elongated along a longitudinal axis; a second housing portion elongated along said longitudinal axis; and an alignment portion including a pair of opposite sidewalls, each of said sidewalls adapted to be received between said first and second housing portions such that said first and second housing portions are held in place by said alignment portion, wherein said first housing portion includes a first edge and an opposite second edge extending along the length of said first housing portion, and further wherein said second housing portion includes a first edge and an opposite second edge extending along the length of said second housing portion, and further wherein said each of said sidewalls of said alignment portion includes a top edge and an opposite bottom edge, said edges of said first and second housing portion and said edges of said sidewalls including a complementary flange and channel interface for engaging said sidewalls between said housing portions, wherein said first and second housing portions are arched such that a cylindrical space is defined along said longitudinal axis between said first and second housing portions; and further wherein said sidewalls of said alignment portion expand said cylindrical space when said alignment portion is received between said first and second housing portions.