| abstract |
(57) [Problem] It is an object of the present invention to provide an apparatus capable of efficiently separating monocytes and different-diameter open cells. Kind Code: A1 A supply device for supplying a mixture of monocytes and open spheres, an inclined surface for dropping the mixture, and a collecting unit for collecting monocytes rolling down from the inclined surface. It is a ball sorting device, and a groove structure is provided between the supply unit and the inclined surface and / or in the middle of the inclined surface. Preferably, the groove structure is formed by an endless belt system. |