US 7,320,708 B1
Cervical interbody device
Avi Bernstein, Wilmette, Ill. (US)
Assigned to SDGI Holdings, Inc., Wilmington, Del. (US)
Filed on Nov. 13, 2002, as Appl. No. 10/293,843.
Int. Cl. A61F 2/44 (2006.01); A61F 2/30 (2006.01)
U.S. Cl. 623—17.15 22 Claims
OG exemplary drawing
 
1. An interbody spacer assembly for replacing either a vertebra or disk, comprising:
first and second end pieces, said end pieces spaced a fixed distance apart from each other;
a non-adjustable connector extending between and connecting said first and second end pieces, said connector leaving an interior region between said end pieces for receiving bone graft material, said interior region being substantially open around its circumference;
at least one fastener for securing the spacer assembly to a vertebral body; and
a flange extending from a peripheral edge of at least one of said end pieces and configured to receive the at least one fastener.