| 摘要 |
A spinal implant system comprises at least two fixation elements, each including a threaded bone-engaging portion, and at least two corresponding receiver members, each including two branches defining a U-shaped channel configured to receive an elongated member. The receiver members are positionable in both open and closed positions. The system further comprises at least one elongated member configured to be positioned in the channels. Additionally, the system comprises at least two snap-fit caps configured to snap on to the receiver members near the top surfaces of the corresponding branches to substantially lock the receiver members in closed positions and capture the elongated member in the channels.
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