Patent ID: 9448163
Filing Date: 2016-09-20
CPC Classification: G01N

Claim Text:
1. A cell detecting method for detecting rare cells in a blood sample, comprising: a first step of performing pretreatment to remove red blood cells from a blood sample so as to obtain a cell suspension liquid containing leukocyte cells and rare cells; a second step of providing the cells contained in the cell suspension liquid obtained at the first step onto an observation region provided with a plurality of holes; a third step of photographing optically the cells provided on the observation region; and a fourth step of detecting rare cells from an image acquired by the photographing in the third step, wherein the plurality of holes disposed on the observation region are formed by a filter having a plurality of through-holes which are disposed with a predetermined pore density and each of which has a diameter smaller than the maximum diameter of the cells contained in the cell suspension liquid, and in the second step, the cell suspension liquid is made to pass through the filter so that the cells contained in the cell suspension liquid are provided on the filter.