< Topic >Be able to control the very little flow, the suffering inspection fluid does not contact the measurement equipment, offers the metabolite monitoring system which can divide into abolition possible unit and reusable unit.Solutions The fluid distribution device where as for the metabolite monitoring system of this invention, (a) the minute dialysis probe which possesses with the semi- permeation membrane and the probe passage (14) with, as for the aforementioned probe passage, from the entrance, it passes by the examination room where it adjoins to the aforementioned semi- permeation membrane, leads to the exit, (b) distributes being transparent coacervation to the aforementioned entrance (12) with, (c) aforementioned exit and the metabolite monitor which watches at least the density of one metabolite inside being transparent coacervation from the association and the aforementioned minute dialysis probe (16,40a and 40b) with,It possesses, aforementioned fluid distribution device (b), lets flow pulses style of aforementioned being transparent coacervation to the aforementioned entrance.Furthermore, the aforementioned fluid distribution device (b), (b1) the pressure container which receives the aforementioned being transparent coacervation (22) with, (b2) the valve which opens and closes the supply passage to the aforementioned entrance from the aforementioned pressure container (24,26) with, (b3) pertaining to the aforementioned valve, opening the aforementioned valve, the control control equipment which lets flow pulses style of the aforementioned being transparent coacervation to the aforementioned entrance (20) with it possesses.< Selective figure > Figure 1 < 0011 > According to this invention, as for the metabolite monitoring system, (a) the minute dialysis probe which possesses with the semi- permeation membrane and the probe passage (14) with, as for the aforementioned probe passage, from the entrance, to pass by the examination room where it adjoi
