Injection device, in particular for injecting contrast agents, with a housing part (20) and at least one bottle holder (1) comprising a bottle receptacle (2) for receiving a reserve bottle and a pick perforation fixed in the bottle holder (1) to drill an outlet opening in the reserve bottle or a clamping device (3) to place an interchangeable drilling spike (4), where the bottle receptacle (2) is it can move with respect to the drilling spike (4) or with respect to the clamping device (3) for the drilling spike (4) in the vertical direction between an upper limit position and a lower limit position and with a movement of the bottle receptacle (2) from its upper limit position to its lower limit position a reserve bottle arranged in the bottle receptacle (2) is placed in such a way on the piercing pin (4) that the perch Foration (4) punches an outlet opening in the reserve bottle, characterized in that the support or each bottle holder (1) is pivotally articulated in the housing part (20) of the injection device and the support or each Bottle holder (1) can be pivoted in the lower limit position of its bottle receptacle (2) from a vertical position to a horizontal position where a reserve bottle disposed in the bottle receptacle (2) adopts a position essentially horizontal and because the bottle receptacle (2) during the pivotal return movement from the horizontal position to the vertical position is automatically engaged in its upper limit position.Dispositivo de inyección, en particular para inyectar agentes de contraste, con una parte de alojamiento (20) y por lo menos un soporte de botella (1) que comprende un receptáculo de botella (2) para recibir una botella de reserva y una púa de perforación fijada en el soporte de botella (1) para perforar una abertura de salida en la botella de reserva o un dispositivo de sujeción (3) para colocar una púa de perforación intercambiable (4), en donde el receptáculo de botella (2) se puede mover con respecto a la púa de perfo