A system for performing spinal fusion between adjacent cervical vertebrae, including an implant and an introducer system, and related methods.

A system for sealing a hole in a body, comprising a generally cylindrical mesh formed from a plurality of helical strands which is inserted into the hole, with at least one end of the cylindrical mesh being moved least partially through an interior portion of the cylindrical shaped mesh such that the mesh expands radially outwards against sides of the hole.

A method for inserting a bone block into a patient's intervertebral space, comprising: supporting the bone block in an inserter; advancing the inserter into the intervertebral space; rotating the inserter, thereby separating adjacent vertebrae; separating the bone block and the inserter with a push rod; and removing the inserter from the intervertebral space.

A intervertebral support system, comprising: a center portion having top and bottom recesses; a top portion having a bottom recess, the bottom recess in the top portion interlocking with the top recess in the center portion when the top position is positioned on top of the center portion; and a bottom portion having a top recess, the top recess in the bottom position interlocking with the bottom recess in the center portion when the bottom portion is positioned under the center portion.

A system for removing cut tissue from the inner bore of a surgical rongeur or suction punch, comprising: an elongated tubular member having a side hole positioned adjacent its distal end; and an insert projecting inwardly from the distal end of the tubular member into the inner bore of the tubular member.

A method and system for detecting proximity of a nerve to a proximity electrode and status of nerve. The method of detecting the proximity of the nerve to the proximity electrode applies a first electrical signal with multiple current levels to a calibration electrode. The method applies a second electrical signal with multiple current levels to the proximity electrode. Based on the response of the nerve to the first and second electrical signals, the method determines the proximity of the proxi...

An articulator for positioning a tool during a surgical procedure, comprising: a longitudinally extending body; a plurality of transverse grooves extending inwardly from opposite lateral sides of the longitudinally extending body; and a plurality of recesses extending inwardly from the opposite lateral sides of the longitudinally extending body, the plurality of recesses defining an articulation control wire lumen and a tool control wire lumen, and wherein the tool control lumen is disposed coll...

An intervertebral support assembly, comprising a pair of bone allografts positioned between two adjacent vertebrae, the bone allografts being positioned towards the anterior portion of the adjacent vertebrae; and a pair of facet screws, each facet screw securing together a facet joint between the two adjacent vertebrae. A method of providing support between two adjacent vertebrae, comprising positioning a pair of bone allografts between the two adjacent vertebrae at a location towards the front ...

A torque multiplication system having a mechanism for torque determination including an anti torque component, an input handle, a transfer mechanism, and an output shaft for use in setting screws in spinal surgery to a predetermined target torque.

An expandable tip cannula system, comprising: a hollow cannula shaft having a proximal end and a distal end; and an expandable tip mounted at the distal end of the hollow cannula shaft, the expandable tip comprising a plurality of generally-triangular shaped petals held together in a radially-inwardly tapered arrangement between adjacent petals, each petal comprising a nerve sensing electrode disposed therein.