Stryker’s Serrato Pedicle Screw, which is part of the company’s Xia 3 Spinal System, recently scored FDA clearance for use in the non-cervical spine.

“Pedicle screws have been used for decades with very few changes to their design,” Bradley Paddock, president of Stryker’s Spine division, said in a statement.

The Serrato Pedicle Screw has better serrated cutting flutes, a new dual-thread pattern with more leads for rapid insertion and a patented buttress thread locking mechanism that minimizes cross threading and screw head splaying.
The screws can be used with a variety of rod diameters and material, including 5.5 and 6.0 millimeter diameter rods, in commercially pure titanium, titanium alloy and Vitallium.

The Xia 3 Spinal System is an orthopedic spinal system for treating degenerative disc disease, spondylolisthesis, trauma, spinal stenosis, curvatures, tumor, pseudarthrosis and failed previous fusion. It’s intended to provide additional support during fusion.

The system is composed of screws, blockers and hooks of different shapes and sizes that affix several types of rods and connectors to vertebrae or the spinal column.

In other news, SpineGuard received FDA clearance for its Dynamic Surgical Guidance integration module in January. It’s used in conjunction with Zavation’s spinal fusion system to make its pedicle screws “smart”.

The DSG sensor differentiates various tissue types based on the evaluation of the local electrical conductivity. An audio signal that ranges in pitch and cadence informs the surgeon in real time of any changes in tissue type.

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