"(AKAsparky) Did you get that regulator ordered?
(Jim Conrad) Yes I did. If nothing else, I will be able to use a big bottle off my cutting rig if and when the Hospital doesn't help."
That sounds like he got it worked out.
The medical and industrial incompatibility is a scam to charge people 10 times the actual worth. There's a million ignorant regulations of that type in use in this country.