We had a Case 3000 wall mounted toilet. It broke and fell off the wall (ceramic cracked, not just the bolts). There’s no plumbing in the floor, so this means we need to remodel the bathroom unless we can find a replacement.
There is no direct replacement for that “best of all toilets”. But the basic carrier in the wall can be converted to a four bolt model that will accept a conventional wall hung toilet. This will require a minimum of drywall repair.