1
Charles D Ray: Surgically implanting threaded fusion cages between adjacent low-back vertebrae by an anterior approach. Surgical Dynamics, Fliesler Dubb Meyer & Lovejoy, October 8, 1991: US05055104 (545 worldwide citation)

When an intervertebral fusion is required, and the disc space is unusualy large, that disc space can be preserved by surgically implanting a pair of relatively large male-thread fusion cages 20, 20A with their threads 13 overlapping. Because of their large size, such fusion cages 20, 20A should be i ...


2
Ray Charles D: Surgically implanting threaded fusion cages between adjacent low-back vertebrae by an anterior approach. Surgical Dynamics, MEYER Sheldon R, May 16, 1991: WO/1991/006266

When an intervertebral fusion is required, and the disc space is unusually large, that disc space can be preserved by surgically implanting a pair of relatively large male-thread fusion cages (20, 20A) with their threads (13) overlapping. Because of their large size, such fusion cages (20, 20A) shou ...