Paragraph Number

8

Implementations may include one or more of the following features. The implant assembly where the lock feature may include at least one groove and the head feature may include at least one ridge. The head feature may include a plurality of ridges, each ridge may include a long ramp and a short ramp, the long ramp adapted to facilitate sliding of the lock feature past one or more of the plurality of ridges as the rotatable structure rotates to the locked orientation. The lock feature may include a bump and the head feature may include a depression. The rotatable structure may include a bright color that facilitates connecting a driver to a drive feature of the rotatable structure, the drive feature adapted to receive torque from the driver to rotate the rotatable structure between the unlocked orientation and the locked orientation.

Added by DJM 5 2021