Curved spacer and inserter

摘要

The present teachings provide one or more surgical implements for repairing damaged tissue, such as in the case of a spinal fixation procedure. A cross connector system for use during a spinal fixation procedure is provided. The system includes at least one bridge defining a coupling bore and having a pair of downwardly extending arms for coupling to a first fastener. The system includes a contoured bar having a first end offset from a second end, and a bore having a central axis. The system includes an expansion ring received within the bore, and a locking device received through the expansion ring and the coupling bore. The locking device is operable in a first state in which the contoured bar is movable about the central axis of the bore and in a second state in which the contoured bar fixed relative to the central axis of the bore.

主权项

1. An instrument for inserting an intervertebral spacer, the instrument comprising:
an elongated body having a proximal end, a distal end and a first passage extending from the proximal end to the distal end; a handle coupled to the proximal end of the elongated body, the handle having a proximal end, a distal end, and a second passage extending from the proximal end to the distal end; a rod at least partially disposed in the first passage and the second passage, the rod being movable along a longitudinal axis coincident with the first and second passages, and the rod having a distal end that is removably coupleable to the intervertebral spacer; a first arm at least partially disposed in the second passage and movable relative to the elongated body along the longitudinal axis, the first arm having a distal end with a first curved surface for engaging the intervertebral spacer and a proximal end with an engagement feature and a first link feature; a second arm at least partially disposed in the second passage and movable relative to the elongated body along the longitudinal axis, the second arm having a distal end with a second curved surface for engaging the intervertebral spacer and a proximal end with a second link feature; a driver received within the second passage, the driver operably coupled to the engagement feature of the first arm to facilitate movement of the first arm; pivoting link disposed within the second passage of the housing, the pivoting link operably coupled to the first link feature and the second link feature such that movement of the first arm in a first direction causes reciprocal movement of the second arm in a second direction opposite the first direction; and an activation device operably coupled to both the distal end of the handle and the driver such that actuation of the activation device moves the first arm in the first direction and moves the second arm in the second direction; wherein, when the first curved surface and the second curved surface are engaged with the intervertebral spacer, the reciprocal movement of the first arm and second arm cooperate to selectively pivot the intervertebral spacer with respect to the instrument.