Gravitational liquid-splitting device, cell passaging device with the same, and cell passaging method

A gravitational liquid-splitting device comprising:

• a funnel having an inner space and a bottom opening connected to the inner space;
• a dispensing valve mounted to the funnel and configured to close or open the bottom opening of the funnel;
• a liquid-splitting part connected to a bottom of the funnel and having:
• an input channel formed in the liquid-splitting part and extending upward and downward;
• an upper end of the input channel forming an input opening on a top of the liquid-splitting part and connected to the bottom opening of the funnel;
• and
• two output channels formed in the liquid-splitting part;
• each of the output channels having a first end and a second end;
• the first end connected to a lower end of the input channel;
• the second end extending inclinedly downward and connected to an exterior of the liquid-splitting part;
• and
• a stirring assembly having
• a funnel cover detachably covering an upper opening of the funnel;
• and
• a stirrer connected to the funnel cover and configured to stir liquid in the funnel.