Pump in the air into a "pressure bag" with a car foot pump or electric pump.
If needed add electronic safety devices to keep you safe from over pressurizing or similar problems.
If that's not enough, get a system with remote doctors who control the system and a "dead man's switch" if the session fails.
Save the costs. DIY.-- pashute, Nov 17 2014 This is what happens when it goes wrong. https://www.youtube...watch?v=QftLWEzX-G4 [MaxwellBuchanan, Nov 17 2014] And this, when it goes right http://archderm.jam...px?articleid=545034 [pashute, Nov 17 2014] Thanks for the help.-- rcarty, Nov 17 2014 blow your windows out pretty quick; why do you want to do this in the first place ?-- FlyingToaster, Nov 17 2014 //Cook boiled eggs quicker
By Jove-- not_morrison_rm, Nov 17 2014 //hypobar // Sp.: hyperbaric.-- MaxwellBuchanan, Nov 17 2014 Hypobaric might be a good idea too. You could acclimate yourself to 1/2 bar and get really good at jogging.-- DIYMatt, Nov 17 2014 (I may be mistaken) I think Guy Martin built one in his home in preparation for a hill race (Pike's Peak?)-- Dub, Nov 17 2014 Thanks max. corrected.
No thanks max for the link. I was going to go to sleep...-- pashute, Nov 17 2014 I just read about the Gamow Bag. More like that but for the foot only.-- pashute, Nov 17 2014 random, halfbakery