There are other biological mechanism at play with Biolox CoC. First off therr is greater wear in vivo than what's believed due to various mechanisms of softening, phase instability, and metal staining. ZTA particulate from CoC seems to have an adverse effect on metal components leading to increased corrosion. How else could a CoC hip implant patient have extensive CoCr around the femoral stem but the same patient have little particulate around the CoP implant? This is also.seen in patients that had CoC implants but had revision to MoP. The remaining CoC particles interacted with the MoP surface.leading to significant and deadly levels of metal wear particles.
What I can extrapolate from this is metals and CoC ZTA do not intermix well. The exact negative interaction I cannot explain.
Then along comes some mysterious entity that mucks this up wanting to chunk a plastic liner into the wood works. Just happens to be a Zimmer liner. Makes since they would want to add something to the equation and consider this their cutting edge in devices as far as motive.
Really matches the motis operandi of Zimmer. One, not that bright. And two, elusive as we can match this to Hansons continued elusive statements and not confirming or denying the rumor like a normal company would.
If I where the guy that signed a NDA at AMDA to not reveal the joint partnership I would feel honor bound to uphold the agreement even if I didnt understand the point.
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