A device for delivering a number of predetermined amounts of medicament includes a body having proximal and opposite distal ends, extending along a longitudinal axis, and configured to hold a medicament container； a driver in the body configured to act on a held container； a manually movable activation member arranged on the distal end； a biased actuator member movable by the activation member along the longitudinal axis and configured to protrude a distance from a distal end of the activation member and to interact with the driver when the actuator member is moved the distance toward the proximal end for delivering a predetermined amount； and an actuator guide member arranged in the body and configured to interact with the activation member and actuator member such that the guide member is held in a position in the body and released from the position after a predetermined amount of medicament is delivered.
