| 摘要 |
PROBLEM TO BE SOLVED: To provide an improved receiving part for receiving a rod for coupling the rod to a bone anchoring element. SOLUTION: The receiving part includes a receiving part body 5 including a rod receiving portion 9 with a channel 12 for receiving a rod, and a head receiving portion 16 having an open end 17 and being flexible for inserting and clamping of the head, a locking ring 8 around the head receiving portion to exert a force onto the head receiving portion to lock the head therein, and a pre-locking ring 80, 80', 80'', 80''' around the head receiving portion to exert a force onto the head receiving portion to clamp and pre-lock the head. COPYRIGHT: (C)2010,JPO&INPIT |
