Abstract: A tubular interbody fusion device having flat upper and lower surfaces including multiple parallel ratcheted blade ridges having opposing orientations, concave exterior side walls, an interior axial bore having inwardly directed ratcheted ridges, and a plurality of through holes extending from the upper and lower surfaces into the interior bore, from the sides into the interior bore, and from the upper and lower surfaces through the side walls.
Type:
Grant
Filed:
July 24, 1997
Date of Patent:
May 18, 1999
Assignee:
TechSys Medical, LLC
Inventors:
Joseph P. Errico, Thomas J. Errico, James D. Ralph