| 摘要 |
<p>A receiving part for receiving a rod for coupling the rod to a bone anchoring element is provided, the receiving part including
a receiving part body (5) with
a rod receiving portion (9) with a channel (12) for receiving the rod, and
a head receiving portion (16) for accommodating a head (3) of the bone anchoring element, the head receiving portion (16) having an open end (17) and being flexible so as to allow introduction and clamping of the head; and
a locking ring (8) embracing the head receiving portion, wherein the locking ring exerts a force onto the head receiving portion to lock the head therein;
wherein the locking ring (8) includes a spring portion (83) which cooperates with a portion (30, 31) of the receiving part body so as to clamp the head in a pre-locking condition.</p> |
