I posted the following in February, but no replies. Am reposting with
the possibility that a new reader may have some answers:

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Johnson & Johnson have been tv advertising with frequency their total
knee replacement appliance that has "rotating platform". Is there a
true advantage of this device over other knee replacement appliances,
or is it simply marketing hype? Any info containing pros & cons or
neutrality on this would be deeply appreciated. Aaron in N. Hollywood

<aaronep@pacbell.net> wrote in message
news:1111336578.027266.108870@z14g2000cwz.googlegr oups.com...
news:alt.support.arthritis to see if someone is or has been dealing with
your problem.
Harv