In other embodiments of the present invention such as shown, for example, in FIGS. 34, 35 and 37, the configuration of the distal end 65 of the pusher 63 may be defined by the anterior face 13 and the upper surface 16 of the vertebral spacer 10. [0086] As illustrated in FIGS. 38-41, the system for the delivery of a vertebral spacer 10 to the spinal column of a patient further provides a cutting to