Patent ID: 7754478

Claim:
A closed type cell culture device comprising: an incubator for culturing cells; a heat insulation box in which the incubator is disposed for cell culture and which keeps the incubator at a given temperature; driving means for rotationally moving the incubator in the heat insulation box; a medicine supply unit for supplying new medicine to the incubator in the heat insulation box from the outside of the heat insulation box; a wastewater discharge unit for discharging wastewater to the outside of the heat insulation box from the incubator in the heat insulation box; and a culture state observing unit for observing a state of culture of cells in the incubator in the heat insulation box from the outside of the heat insulation box, wherein the incubator is substantially circular with its circular center being offset from a rotational axis of the driving means.