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At NASS, Dynamic Stabilization Grabs Audiences

At this year's North American Spine Society meeting, disc replacement was all the rage, particularly given the FDA's approval, the day before the meeting started, of the first such device to be sold in the US. But the real buzz at the meeting was about a new approach to degenerative spine problems, dynamic stabilization, that could threaten the disc replacement revolution before it even begins.

Arguably the biggest news at this year's North American Spine Society (NASS) meeting was made before the meeting even began. With impeccable and, many argued, intentional timing, the FDA finally approved Johnson & Johnson DePuy AcroMed Inc. 's Charite artificial disc replacement the day before the meeting opened, making Charite the first such device approved in the US, and the first of four that are expected soon to be battling it out in one of spine's most eagerly awaited new technology spaces. But hardly was the ink dry on the FDA's approval letter when all NASS seemed abuzz with the next big spine technology, dynamic stabilization.

Dynamic stabilization, sometimes also called flexible stabilization or soft stabilization, occupies a somewhat less certain space in the armamentarium of...

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