Accurate in vivo measurement of blood oxygen saturation by fiberoptical means is made possible throughout a wide range of hematocrit or total hemoglobin values by using a single R/IR ratio I and calculating the SO.sub.2 value therefrom through the use of a second-order polynomial of the form...http://www.google.fr/patents/US4651741?utm_source=gb-gplus-shareBrevet US4651741 - Method and apparatus for determining oxygen saturation in vivo
Method and apparatus for determining oxygen saturation in vivo
