Abstract: A radiation detection device includes: a radiation detection panel; a supporting member having a first surface and a second surface being opposite to the first surface, wherein the radiation detection panel is provided at a side of the first surface; first and second power supply units that supply operating electric power of the radiation detection panel; a housing that accommodates the radiation detection panel, the supporting member, and the first power supply unit; and a holder portion which is provided on the second surface of the supporting member and to which the second power supply unit is detachably attached, the holder portion includes a pair of frames that protrude toward a bottom of the housing which faces the second surface of the supporting member and a concave portion as defined herein, and the bottom of the housing has an opening portion through which the concave portion is exposed.

Abstract: Each of the clip units 13 includes a clip body 35 having a pair of arm parts 41 that can ligate the biological tissue and a fastening ring 37 that accommodates the clip body 35, and the plurality of clip units 13 are disposed in series within the distal end of the outer sheath member 19. Each of the fastening rings 37 includes a connecting mechanism 85 consisted by a locking member 87 that connects the adjacent fastening rings 37 each other and a fitting support 101, the manipulation wire 23 engaged with the locking member 87 is pulled to release the connection of the fastening rings 37 by the connecting mechanism 87.