PROBLEM TO BE SOLVED: To improve operability and portability, and to correctly collect cells and/or tissues at the location of a lesion.SOLUTION: A pen-shaped inspection device includes: a hollow body having a needle through-hole formed at the front end, and an opening formed at the rear end a sliding part which is slidably placed inside the body an elastic member which is placed in the body so as to provide an elastic force for returning the sliding part backward a syringe wherein a needle is protruded from or inserted in the needle through-hole by longitudinal movement of the sliding part while a cylinder is attached to the front end of the sliding part a rotation part which is provided between the sliding part and the body so as to rotate the syringe when the sliding part moves longitudinally a head which is screwed with the rear end of the sliding part and pulled out from the body, so that a longitudinal traveling distance of the sliding part can be adjusted according to the length screwed with the sliding part and a negative-pressure generator which is mounted in the body, and generates negative pressure in the syringe by pulling a piston of the syringe with a pressing force of a button located outside.COPYRIGHT: (C)2013,JPO&INPIT【課題】操作及び携帯が容易であり、また、病変部位に対する細胞や組織の採取が正確に行われるようにする。【解決手段】前端にニードル通過孔が形成され、後端が開放して形成される中空の胴体と、胴体の内側に摺動可能に設置される摺動部と、摺動部が後方に戻るための弾性力を提供するように、胴体内に設置される弾性部材と、摺動部の前端にシリンダが装着され、摺動部の前後移動によって、ニードルがニードル通過孔から突出乃至挿入される注射器と、摺動部が前後に移動時、注射器を回転させるように、摺動部と胴体の内側に設けられる回転部と、摺動部の後端に螺合されて胴体から引き出され、摺動部との螺合長さに応じて、摺動部の前後移動距離を調節可能なヘッドと、胴体に設置され、外部に位置するボタンの押圧により、注射器のピストンを引っ張ることにより、注射器に陰圧を生じる陰圧発生部と、を備えることを特徴としている。【選択図】図3