The invention relates to an opening device and a method for opening a closure member, in particular a closure member of a medical container, the opening device comprising a drive mechanism (21 ) for driving an actuating device (4, 4', 5, 5', 61, 71, 81, 9), wherein using the drive mechanism (21 ) the actuating device can be moved from an initial position into an engagement position in order to open the closure member (101 ), and a connecting device (3) for detachably connecting the actuating device (4, 4', 5, 5', 61, 71, 81, 9) to the drive mechanism (21 ) such that the actuating device (4, 4', 5, 5', 61, 71, 81, 9) can be interchanged with another actuating device, wherein the connecting device (3) is configured in such a way that at least a first and a second type of an actuating device (4, 4', 5, 5', 61, 71, 81, 9) can be operably connected to the drive mechanism (21 ), the first type using a rotational motion and the second type using a linear motion for interacting with the closure member (101 ). The invention further relates to actuating devices for use with a drive mechanism (21 ) of an opening device (2).La invención se refiere a un dispositivo de apertura y a un método para abrir un miembro de cierre, en particular un miembro de cierre de un contenedor médico, el dispositivo de apertura comprende un mecanismo impulsor (21) para impulsar un dispositivo de accionamiento (4, 4´, 5, 5´, 61, 71, 81, 9), en donde al utilizar el mecanismo impulsor (21) el dispositivo de accionamiento puede moverse de una posición inicial en una posición de acoplamiento con el fin de abrir el miembro de cierre (101), y un dispositivo conector (3) para conectar de manera desprendible el dispositivo de accionamiento (4, 4´, 5, 5´, 61, 71, 81, 9) al mecanismo impulsor (21) de manera que el dispositivo de accionamiento (4, 4´, 5, 5´, 61, 71, 81, 9) puede intercambiarse con otro dispositivo de accionamiento, en donde el dispositivo conector (3) está configurado de tal forma que al men
