Patent ID: 7235075

Claim:
An anchoring element for fastening a rod of a device for adjusting a human or animal spine to a vertebral bone, said anchoring element having a holding device ( 12 , 42 ) that is substantially U-shaped and includes two substantially parallely disposed holding ridges ( 14 , 16 , 44 , 46 ), a rod ( 24 ) receiving slot ( 22 , 54 ) being formed therein, and a securing element acting against the rod ( 24 ) accommodated in the receiving slot ( 22 , 54 ), the securing element including a locking element ( 20 , 50 ) and a ring element ( 18 , 48 ), said ring element ( 18 , 48 ) being mountable to the free end of the holding ridges ( 14 , 16 , 44 , 46 ) by means of a single turn coupling system, the single turn coupling system being configured to be a bayonet coupling, said bayonet coupling including a slot-type or a groove-type receiving recess and a gripper engaging in said receiving recess, and the receiving recess including an axial entrance ( 32 , 61 , 76 , 77 , 84 ) and a tangential holding element ( 32 , 62 , 63 , 66 , 70 , 78 , 86 ), and the holding element ( 66 ) widens at its end.