Patent ID: 8480562

Claim:
A capsule medical apparatus comprising: a casing; a pressing member configured to contact and press a surface of a living tissue; a driving unit that causes the pressing member to protrude from the casing and to press the surface of the living tissue while rotating the pressing member around a rotation axis parallel to a direction in which the pressing member protrudes; and a needle-like puncturing member that is arranged on the pressing member and punctures the living tissue in an oblique direction with respect to the surface of the living tissue to thereby inject a medical agent into the living tissue along with the rotation of the pressing member driven by the driving unit, wherein the pressing member is formed of linear members, has an end portion spreadable in a radial direction of the rotation axis, is foldable to be in a state in which the end portion is not spread, is stored in the casing in a folded manner, is configured to be unfolded when protruding to an outside of the casing and be stored in the casing in the folded manner after the medical agent is injected, wherein the puncturing member is arranged on the pressing member at a distance away from an end of the pressing member that presses the surface of the living tissue.