Method and apparatus for in vivo blood gas analysis

摘要: Method and apparatus for withdrawing analyzing gases dissolved in liquid, more specifically, equilibrated blood gas samples vivo. A catheter including a semipermeable membrane, connected to include volume of carrier at atmospheric pressure, is introduced percutaneousluy into the bloodstream. After predetermined period, equilibratin occurs between gas. By means displacement or reduction then removed from membrane another area analysis. corresponding replaced an inlet supply.