Patent ID: 11950550
Assignee: UNIVERSITY PUBLIC CORPORATION OSAKA
Field: Other special machines (Mechanical engineering)
Classification: CPC A | IPC A

Claim 0:
1. An irrigation device comprising:
a cell plug that includes an opening facing upward and an accommodation part that accommodates a predetermined amount of culture medium in communication with the opening;
a liquid supply unit that supplies a liquid to the culture medium of the cell plug; and
a cell plug lifting unit that lowers the cell plug when a weight of the cell plug is increased by a liquid supplied by the liquid supply unit and lifts the cell plug when a weight of the cell plug is decreased by drying of the culture medium, wherein
the liquid supply unit includes a contact end that is intermittently brought into contact with the culture medium by lifting and lowering of the cell plug by the cell plug lifting unit, performs liquid supply while the contact end is in contact with the culture medium, and stops liquid supply when the contact end is separated from the culture medium.