Dynamic stabilization products include interspinous process spacers, pedicle screw systems with semirigid rods and facet replacement technologies (Learn about the most relevant in :www.spinemarketnews.com/dynamic).No dynamic stabilization devices have received approval from the U.S. Food and Drug Administration (FDA) for use other than as an adjunct to spinal fusion. The FDA has specified that separate approval is required for “off-label” marketing of these devices, including but not limited to use as a stand-alone device for spinal stabilization in the absence of fusion. Many biomechanical studies have shown that the stiffness of spinal construct depends on rod diameter and a decrease in rod rigidity can increase the risk of implant failure.
But the growing number of older people with age-related degenerative disorders of the spine will continue to play a large part in driving the demand for spinal fusion and posterior dynamic stabilization procedures.
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