PROBLEM TO BE SOLVED: To provide a self-propelled capsule endoscope which can be driven in various directions such as upper, lower, left and right directions, and has a function of escaping from falling and retention at the diverticulum or a narrowed site, a function of applying a chemical to an involved area, and a function of imaging the involved area from various angles.SOLUTION: In the self-propelled capsule endoscope 10 having, in the inside, a linear propulsion mechanism including a coil part 13 and a drive part 17, the drive part is provided on the outer side of the coil part.COPYRIGHT: (C)2013,JPO&INPIT【課題】上下左右等、多様な方向に駆動でき、憩室や狭窄部位での落込みや滞留から脱出する機能、薬剤を疾患部に塗布する機能や、疾患部を様々な角度から撮像する機能を有した自走式カプセル内視鏡を提供する。【解決手段】コイル部13及び駆動部17を含むリニア推進機構を内部に有する自走式カプセル内視鏡10において、前記駆動部が前記コイル部の外側に設けられていることを特徴とする自走式カプセル内視鏡。【選択図】図1