| 摘要 |
<p>PURPOSE:To calculate the absolute saturation amount of oxygen in venous blood due to the variation in the venous blood amount of an introcorporeal organ, in a diagnostic apparatus for measuring the amount of oxygen in the intracorporeal organ, by revolving the intracorporeal organ to calculate the variation component of transmission quantity. CONSTITUTION:A revolving apparatus 8 revolves a bed to the max. angle of inclination of about 15 deg. at a cycle of about 25min by the indication from a computer system. During a quasi-measurement period when the angle of the bed is present on a positive side, a head part 60 is in a hang-down state and the amount of the venous blood of the head part 60 increases by gravity and transmission quantity data is reduced. During a quasi-measurement period when the angle of the bed is present on a negative side, the head 60 is in a raised state and the amount of the venous blood of the head part 60 is reduced and the transmission quantity data increases. By cyclically changing the amount of the venous blood of the head part 60, the transmission data modulates in synchronous relation to said change. The cycle is repeated and the transmission quantity data is cumulated and operated at every cycle to calculate the absolute saturation amount of oxygen in the venous blood.</p> |
