Cell treatment system

A cell treatment system to kill unwanted cells among cells cultured on a cell culture vessel and nurture desired cell aggregates, the cell treatment system comprising:

• an imaging device to image all or a part of the cell culture vessel, wherein a plurality of cell aggregates that each contain a plurality of cells exist on the cell culture vessel;
• an analyzer programmed to calculate an area or size of one or each of cell aggregates existing on the cell culture vessel based on pixel values from which an image captured by the imaging device is constituted, programmed to memorize an upper limit or a lower limit on the area or size of a cell aggregate according to culture time, and programed to make a judgement on whether the area or size of each of the cell aggregates existing on the cell culture vessel exceeds the upper limit or the lower limit;
• a laser irradiator to emit laser toward the cell culture vessel so as to kill cells existing on the cell culture vessel;
• and
• a controller programmed to control a position irradiated with the laser emitted from the laser irradiator toward the cell culture vessel in accordance with a result of the judgement by the analyzer.

A cell treatment system to kill unwanted cells among cells cultured on a cell culture vessel and nurture desired cell aggregates, the cell treatment system comprising:

• an imaging device to image all or a part of the cell culture vessel, wherein a plurality of cell aggregates that each contain a plurality of cells exist on the cell culture vessel;
• an analyzer programmed to calculate a feature amount of one or each of cell aggregates existing on the cell culture vessel based on pixel values from which an image captured by the imaging device is constituted, wherein the analyzer is programmed to make a judgement on whether the feature amount of each of the cell aggregates on the cell culture vessel exceeds a proper upper limit or a proper lower limit according to culture time, wherein, at least one of:
• a cell aggregate with a feature amount smaller than the lower limit of the proper range is a bad aggregate in which the cells have not successfully proliferated and which have not grown in accordance with the culture time, or,
• a cell aggregate with a feature amount larger than the upper limit of the proper range grows excessively fast beyond supposition, although the cells proliferates themselves;
• a display device to show a result of the judgement about the feature amount of each of the cell aggregates existing on the cell culture vessel according to the culture time by the analyzer on a display;
• a laser irradiator to emit laser toward the cell culture vessel so as to kill cells existing on the cell culture vessel;
• an input device configured to receive an operation input by a user, the operation input designating cells to be killed with irradiation of the laser or cells to survive without the irradiation of the laser among the cells existing on the cell culture vessel, or the operation input designating a position to be irradiated with the laser or a position not to be irradiated with the laser on the cell culture vessel;
• and
• a controller programmed to control a position irradiated with the laser emitted from the laser irradiator toward the cell culture vessel in accordance with the operation input received by the input device.