M6 vs. other mobile cores
Mark,
I understand your concerns. What I have learned is that the Spinal Kinetics guys studied the physical characteristics of the human disc and placed these parameters into their test computers, then they began the process of prototyping an implant that replicated these characteristics. The result was a disc that might just be the first to actually deserve the name “artificial disc”. The goal of course is to return the spine to normal function. Now we both know that as the damage from years of degeneration progresses the other structures and tissues become unable to respond normally. The selection of candidates is critical. Surgeon placement errors and patients whose bodies just can’t keep the implants in place will always come up, but overall I think the goal of returning to a normal function is attractive. These guys at Stenum seem to have done the most and should have it down.
Joe
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