| 摘要 |
PROBLEM TO BE SOLVED: To obtain an apparatus and a method in which a high quality microscope sample for cell diagnosis is prepared from a cell suspension with high reproducibility and without manual intervention. SOLUTION: According to the presence or absence of continuity of an electrode 3, a level sensor 11 is turned on or off. The downstream side of a filter 1 is sucked by a vacuum pump 5 via a solenoid valve 10 and a constant pressure device 4. When the end point of a filtering operation is judged, the level sensor 11 is turned off, and the solenoid valve 10 is closed as so to stop the suction operation. A cleaning-liquid supply system 6, a first fixing-liquid supply system 7 and a second fixing-liquid supply system 8 are composed of tanks 61, 71, 81, of three-way selector valves 62, 72, 82 and of a syringe-type pump which is driven by a motor. By this constitution, under the control of a sequencer 9, an operator charges a sample in a prescribed amount into a sample container 2. By a simple depression of a start button, an immobilized cell sample is obtained on the filter 1 after about 20 minutes.
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