Paragraph Number

41

The lock feature 105 and head feature 107 are configured such that once they engage with each other they cooperate to prevent both counterclockwise rotation and linear backing out of each of the screws 104, relative to the bones 102. Having the lock feature 105 on the bottom surface 103 enables the rotatable structure 112 to engage the lock feature 105 with the head feature 107 when the rotatable structure 112 is in the locked orientation. By rotating the rotatable structure 112 to the locked orientation the lock feature 105 engages with the head feature 107 and this restricts rotation of a screw 104 within a screw opening 106.

Added by DJM 5 2021