Patent ID: 8216831

Claim:
A cell culture device for culturing a cell using a culture vessel, comprising: a culture vessel set having a culture vessel holder adapted to hold a plurality of culture vessels, wherein the culture vessel holder is provided with plural culture vessel holding parts which are arranged in m rows and n columns, the culture vessel set having a first position and a second position; a culture set holding part holding the culture vessel set; a state changing part connecting with the culture set holding part to change a state of the culture vessel set from the first position to the second position; a plurality of valve members located in each column of the culture vessel holder, respectively, each valve members configured to control liquid injection and liquid discharge of the culture vessel through each partially parallel-type flow passage; a plurality of partially parallel-type flow passages which are connected with the plurality of culture vessel holding parts in a first one of the m rows, respectively; and a controller for controlling the state changing part and the plurality of valve members, wherein, when the culture vessel set is changed from the first position to the second position, the controller controls the valve member corresponding to a first column of the culture vessel holder so as to perform the liquid injection or discharge for the plurality of culture vessel holding parts in the first one of the m rows, and wherein after performing the liquid injection or discharge for the plurality of culture vessel holding parts in the first one of the m rows, the controller controls the valve member corresponding to a second column of the culture vessel holder so as to perform the liquid injection or discharge for the plurality of culture vessel holding parts in the second one of the m rows.