The capsule medical device to be introduced into the subject, and tissue collection means for collecting the body tissues, and store storage means the body tissues that have been taken by the organization collecting means, and storage to suppress liquid autolysis of body tissue a liquid storage means, is provided with a liquid supply means to the storage means the liquid in the liquid storage means inside, it is stored in the capsule medical device in the pathology state vivo tissue collected, and pathological examination can then and so can be removed from the capsule medical apparatus in the state.被検体内に導入されるカプセル型医療装置に、体内組織を採取する組織採取手段と、組織採取手段によって採取された体内組織を保管する保管手段と、体内組織の自己融解を抑制する液体を貯蔵する液体貯蔵手段と、液体貯蔵手段内部の液体を保管手段に供給する液体供給手段とを設け、採取した体内組織を病理検査可能な状態でカプセル型医療装置内に保管し、その後に病理検査可能な状態でカプセル型医療装置から取り出すことができるようにする。