FLUID HANDLING UNIT AND FLUID HANDLING APPARATUS USING SAME

PROBLEM TO BE SOLVED: To provide a fluid handling unit, capable of improving the efficiency of reaction and the sensitivity of measurement with a simple structure, shortening the reaction time and the measurement time, and further, improving the accuracy of analysis, even if the quantity of a reagent or a specimen is trace, and allows the unit to be cleansed easily and fully, when the apparatus is used as a sample analysis apparatus for measuring a large number of specimens, and to provide a fluid handling apparatus that uses the unit. SOLUTION: A fluid handling unit 16 has an inside cylindrical portion 16c, which is arranged eccentrically in the radial direction in an outside small-diameter cylindrical portion 16b, and a plurality of slits 16d for establishing a communication between an inside fluid housing chamber 30 and an outside fluid housing chamber 28. Most of the part of liquid in the inside fluid housing chamber enters the outside fluid housing chamber via the slits by the capillary force, when the quantity of the fed liquid is not larger than a predetermined quantity. The liquid in the outside fluid housing chamber enters the inside fluid housing chamber, when the height of the liquid level varies in circumferential directions and the quantity of the fed liquid exceeds the predetermined quantity. COPYRIGHT: (C)2010,JPO&INPIT