Cell injection facility for introducing an agent into a cell in vivo, having at least one injection cannula for the agent, which can be moved in a translational manner in at least one translation direction by way of a linear actuator , wherein the linear actuator has: - a profile rod , with a profile having translation surfaces , which is movably guided on a sliding film in the translation direction , wherein the profile rod can be coupled in terms of movement with the injection cannula and mounted in a sliding guide , characterised in that the linear actuator further has: - a magnetic pendulum which is mounted rotatably and engages in at least one part of its possible positions on a translation surface of the profile rod , - a magnetic field generation facility for generating a magnetic field in order to move the magnetic pendulum and - a control facility for actuating the magnetic field generation facility such that by means of an interaction of the pendulum with the translation surfaces , a displacement of the profile rod defined by the dimensions of the translation surfaces and the movement path of the pendulum is carried out, wherein - the control facility is embodied to actuate the magnetic field generation facility for generating a rotational movement of the pendulum , which generates the linear movement of the profile rod by contact with consecutive translation surfaces of an alignment. - a profile rod , with a profile having translation surfaces , which is movably guided on a sliding film in the translation direction , wherein the profile rod can be coupled in terms of movement with the injection cannula and mounted in a sliding guide , characterised in that the linear actuator further has: - a magnetic pendulum which is mounted rotatably and engages in at least one part of its possible positions on a translation surface of the profile rod , - a magnetic field generation facility for generating a magnetic field in order to move the magnetic pendulum and - a control facility for actuating the magnetic field generation facility such that by means of an interaction of the pendulum with the translation surfaces , a displacement of the profile rod defined by the dimensions of the translation surfaces and the movement path of the pendulum is carried out, wherein - the control facility is embodied to actuate the magnetic field generation facility for generating a rotational movement of the pendulum , which generates the linear movement of the profile rod by contact with consecutive translation surfaces of an alignment. - a magnetic pendulum which is mounted rotatably and engages in at least one part of its possible positions on a translation surface of the profile rod , - a magnetic field generation facility for generating a magnetic field in order to move the magnetic pendulum and - a control facility for actuating the magnetic field generation facility such that by means of an interaction of the pendulum with the translation surfaces , a displacement of the profile rod defined by the dimensions of the translation surfaces and the movement path of the pendulum is carried out, wherein - the control facility is embodied to actuate the magnetic field generation facility for generating a rotational movement of the pendulum , which generates the linear movement of the profile rod by contact with consecutive translation surfaces of an alignment. <EOS>