| 摘要 |
PROBLEM TO BE SOLVED: To provide an automatic dispenser enabling automatic exchange of a dispensing head by a simple construction. SOLUTION: This dispenser has a plate which holds a specimen, a plurality of dispensing heads 5 for sucking and discharging a liquid such as a reagent to be injected into the specimen in the plate 7 and a dispensing head drive part 4 to which the dispensing heads 5 in a plurality are fitted replaceably. In this construction, each of the dispensing heads 5 is provided with a chuck mechanism 41 connecting the dispensing head drive part 4 thereto separably, while the part 4 is provided with a part 41 for receiving the chuck mechanism. |
