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SmokerX

08/28/19 4:37 PM

#26504 RE: boston745 #26503

However, a long-term concern related to prosthetic bearings in the human body is the adverse host biolog-ical response to accumulated, microscopic wear debris in the periprosthetic joint space, particularly PE wear particles.



One example of such is that ofCoCr-on-CoCr articulations in total hip replacement. This couplewas once viewed as an ideal bearing combination, but has rapidlyfallen out of favor because of adverse reactions to metal ions



potential drawback is that ZTA is still an unstable, ZrO2-basedmaterial. ZTA derives its strength and toughness from the samemechanisms that resulted in catastrophic failure of the ZrO2-basedorthopedic bearings[52,53], and there is evidence that spontane-ous hydrothermally induced phase transformation will occur withit as well[54]. Material degradation of ZTA may be delayed in com-parison with ZrO2, but it may manifest nonetheless



http://content.stockpr.com/amedica/db/265/584/pdf/paperg.pdf

You show me a Bal connected to Zimmer and I`ll show you an entire industry that knew about their material issues and sat there and did nothing about it for years. That might be important evidence in a lawsuit. Read it Boston. Then shout it on the roof top at Medical device lawsuit attorneys. "Who is connected to Zimmer? Bal" We should be subpoenaing you to testify this.