The invention relates to an administration device which comprises: an airtight container (12) sealed by a stopper (26), containing a radiopharmaceutical drug (14), and provided with a protective shield made of a material which is opaque to radiation; and a mounting (16) provided with attachment means (30), the container (12) being fastened to the mounting, in a removable manner, in a position that grants access to said stopper.Dispositif d'administration comportant - un conteneur (12) hermétique fermé par un bouchon (26), contenant un médicament radio -pharmaceutique (14), et pourvu d'un bouclier de protection en un matériau radio-opaque, et - un support (16) pourvu de moyens d'accrochage (30), le conteneur (12) étant fixé au support, de manière amovible, dans une position autorisant un accès audit bouchon.