Capsule medical apparatus

A capsule medical apparatus to be introduced into a subject, comprising:

• a tissue collecting unit that collects in-vivo tissue;
• a storage unit that stores therein the in-vivo tissue that is collected by the tissue collecting unit;
• a liquid storing unit that stores therein liquid for suppressing autolysis of in-vivo tissue;
• a liquid supplying unit that supplies the liquid in the liquid storing unit to the storage unit;
• an outer opening/closing unit that opens and closes a part of an outer casing of the capsule medical apparatus;
• and
• a control unit that performs, in response to an instruction to start collecting the in-vivo tissue, a control in which the outer opening/closing unit is opened and the tissue collecting unit collects desired in-vivo tissue and stores the collected in-vivo tissue in the storage unit, then a control in which the outer opening/closing unit is closed, and a control in which the liquid supplying unit supplies the liquid to the storage unit and the storage unit is made to be in a liquid-tight state, wherein
• absorbers that obstruct, by swelling, an opening and closing operation of the outer opening/closing unit are arranged outside each of the storage unit and the liquid supplying unit.