Neue Mikro-Schnell-Methode zur Messung des Blutsauerstoffes auf elektrochemischem Wege

The first 40 years – a subjective review

“…The tip of such a small catheter introduced deeper reached the aorta descendens and these were the very first catheterizations of the aorta of human newborns [10]. O 2 -saturation analyses, with the help of a rapid micromethod that we developed [14], soon confirmed how much more efficient pressure-controlled endotracheal ventilation of the newborn was than other methods used at the time [11].…”

Oxygen therapy

“…61 Subsequent modifl.cations have described the technique in greater detail. 7,140,152,202 Laver and co-workers 140 in 1965 proposed that 0.05 ml. of blood could be drawn into a graduated capillary which was then evacuated into a known amount of dilute (0.2 per cent) potassinm ferricyanide solution in equilibrinm with air; the blood was thus lysed and the resultant oxygen tension was then measured.…”