Nissho Corporation

Morihiro Okuda

Nobuo Takagi

Daisuke Fukuta

The present invention provides a blood component-recovering apparatus and a method for high-yield recovery of leukocytes captured in a filter of the blood component-recovering apparatus. The blood component-recovering apparatus includes a housing accommodating (a) a filtration portion charged with (b) a filter which is capable of passing erythrocytes but capturing leukocytes and (c) a pressing member for pressing the filter, the housing being provided in the sidewall thereof with (d) a blood flow inlet and (e) a blood flow outlet communicating with the filtration portion. The housing of the blood component-recovering apparatus is further provided in the upper wall thereof with (f) a means capable of transferring, or moving, the pressing member vertically. The pressing member of the blood component-recovering apparatus is transferred downward while a blood containing blood components is passed through the filtration portion. The pressing member is then transferred upward to increase the volume of the filtration portion, and a washing solution is then passed through the filter to recover leukocytes.

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Osaka, Japan

Morihiro Okuda