Cell collecting device of membrane-type liquid-based cytology slide processor
A technology of liquid-based cells and collection devices, which is applied in the field of cell collection devices of membrane-type liquid-based cell slicers, can solve the problems of insufficient collected cells, air pump idling, long collection time, etc., to prevent insufficient collection of cells Effect
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Embodiment 1
[0017] equipment and materials
[0018] Negative pressure air pump: VCH1028 high negative pressure miniature vacuum pump, Chengdu Xinweicheng Technology Co., Ltd.
[0019] Filter cartridge: S-T-003 Xinpai TCT filter cup, 8 μm, American HOLOGIC company
[0020] Liquid level sensor: LDY08 capacitive liquid level sensor, Shenzhen Lynn Technology Co., Ltd.
[0021] This embodiment provides a cell collection device for a membrane-type liquid-based cell slicer, including a storage liquid bottle 1, a membrane filter cartridge 2, a negative pressure air pump 5, and an air pipe 6, and a filter membrane is installed at the bottom of the filter membrane cartridge 2 3. The top is connected to the negative pressure air pump 5 through the air pipe 6, and the negative pressure air pump 5 is electrically connected to the control system. The bottom of the filter membrane cartridge 2 can extend into the storage liquid bottle 1, and the filter membrane cartridge 2 is provided with a liquid leve...
Embodiment 2
[0023] This embodiment provides a cell collection method for a membrane-type liquid-based cell sheet maker, which includes the following steps:
[0024] A liquid level sensor 4 is set in the filter membrane cartridge 2, and the liquid level sensor 4 is electrically connected to the control system;
[0025] Start the negative pressure air pump 5, pump air through the trachea 6, generate negative pressure in the membrane filter cartridge 2, filter the preservation solution into the membrane cartridge 2 through the filter membrane 3, and the cells in the preservation solution are trapped and adsorbed on the filter membrane 3 on the outside;
[0026] During the cell collection process, the liquid level sensor 4 sends the liquid level signal in the filter cartridge 2 to the control system, and when the signal shows that the liquid level in the filter cartridge 2 no longer rises, the operator turns off the negative pressure Air pump 5, stops cell collection.
[0027] The present i...
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