Nuvasive, Inc.

Forrest Samuel

Jonathan D Spangler

Rich Mueller

Bret A Ferree

Benjamin Arnold

Andrew Schafer

Eric Dasso

Dan K Ahlgren

Robert R Riley

Rob German

A stationary dilator has one or more electrodes in the distal region that are rotatable around the longitudinal axis of the dilator. The one or more electrodes are operable to deliver electrical stimulation signals to tissue through which the dilator is passed. The stimulation signals can be used for determining nerve directionality and optionally nerve proximity during surgical procedures involving the presence of neural structures.

Directional dilator for intraoperative monitoring

A stationary dilator includes one or more electrodes in the distal region that are rotatable around the longitudinal axis of the dilator. The one or more electrodes are operable to deliver electrical stimulation signals to tissue through which the dilator is passed. The stimulation signals can be used for determining nerve directionality and optionally nerve proximity during surgical procedures involving the presence of neural structures.

A spinal fixation system suitable for effecting fixation between adjacent vertebral levels within the spine. The spinal fixation system of the present invention includes a pair single axis or 'fixed' pedicle screw assemblies, a pair of poly-axial pedicle screw assemblies, a pair of cannulated rod members, and a transverse connector spanning between the pair of cannulated rod members.

System and method for performing spinal fixation

The present application describes a spinal cross-connector and related methods for augmenting and stiffening spinal fixation constructs. The cross connector may include multiple rod-stabilization members that simultaneously engage respective rods of a fixation construct. Simultaneous engagement by the rod-stabilization members may be effectuated by a single locking step.

Spinal cross connector

This invention relates generally to spine surgery and, in particular, to methods and apparatus for treating spinal stenosis. The methods comprising gaining access to an interspinous space, abrading a portion of the superior spinous process, inserting an implant into the interspinous process space, verifying the position of the implant by observing the position of three radio-opaque markers embedded in the implant, and coupling the implant to the superior spinous process.

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San Diego, CA, United States of America

Forrest Samuel