| 主权项 |
1. A spinal correction system comprising:
at least one elongate member defining a longitudinal axis and extending between a first end and a second end, the first end including a first inner surface defining a first cavity that is fixed relative to the elongate member and the second end including a collar having a second inner surface defining a second cavity, the second cavity being movable relative to the elongate member in at least one orientation, the second end comprising an interior surface defining an elongated cavity; at least one first extender defining a first outer surface that engages the first inner surface; and at least one second extender defining a second outer surface configured for engagement with the second inner surface, wherein the at least one elongate member is disposable between a first configuration and a second configuration such that the second cavity is selectively movable in the at least one orientation to a position such that the first inner surface is forcibly disposable in a fixed engagement with the first outer surface and the interior surface is forcibly disposed in a second fixed engagement with at least a portion of the collar; wherein the first and second inner surfaces include a plurality of projections defining a plurality of recesses therebetween, such that in the second configuration, the collar is disposed in one of the plurality of recesses. |
