Its not advisable as no two patients are the same, therefor it would be a dangerous scenario that manufacturers would not want to be associated with. There is nothing stopping a manufacturer from designing it for the future though, with smarter devices come smarter practices.
I have been reading and hearing that some staff are modifying the anaesthetic machines to drive on air to prevent decreasing O2 supplies, that's worth considering a discussion with your reps.

30 years since the Chernobyl disaster and yet we still have no super heroes or zombies.