Patent ID: 8574150

Claim:
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.