A sample dispenser for an analysis device, in particular for an analysis device working according to the principle of liquid chromatography, in particular high pressure liquid chromatography (HPLC), or gas chromatography, comprising a sample intake (22, 34) for receiving a sample to be analyzed, an inlet through which an eluent can be supplied, an outlet, and an injection valve arrangement, which can be switched at least from an intake position to an injection position, wherein, at least in the intake position and in the injection position, the inlet is in fluid connection with the outlet to deliver the eluent - if applicable, having the sample added thereto - at least partly to the outlet, wherein, in the intake position, the sample intake is in a fluid-tight manner separated from the eluent and wherein, in the injection position, sample in a metering space of the sample intake can combine with the eluent, wherein the sample dispenser is configured as a disposable component for single use; wherein the injection valve arrangement comprises a valve body and an actuator which is moveable relative to the valve body; wherein the actuator can be moved relative to the valve body such that, in the injection position of the injection valve arrangement, the metering space gets in fluid connection with the inlet and the outlet; and wherein the actuator extends in an axial direction and can be moved relative to the valve body along a feed direction in the axial direction to switch the injection valve arrangement from the intake position to the injection position; wherein the actuator is, relative to the valve body, in a pressing seat such that when switching the actuator from the intake position towards the injection position, the pressing forces do not decrease; wherein in the course of switching the injection valve arrangement from the intake position to the injection position, a deformation of at least the valve body occurs; and wherein the deformation is at least partially a plastic deformation. a sample intake (22, 34) for receiving a sample to be analyzed, an inlet through which an eluent can be supplied, an outlet, and an injection valve arrangement, which can be switched at least from an intake position to an injection position, wherein, at least in the intake position and in the injection position, the inlet is in fluid connection with the outlet to deliver the eluent - if applicable, having the sample added thereto - at least partly to the outlet, wherein, in the intake position, the sample intake is in a fluid-tight manner separated from the eluent and wherein, in the injection position, sample in a metering space of the sample intake can combine with the eluent, wherein the sample dispenser is configured as a disposable component for single use; wherein the injection valve arrangement comprises a valve body and an actuator which is moveable relative to the valve body; wherein the actuator can be moved relative to the valve body such that, in the injection position of the injection valve arrangement, the metering space gets in fluid connection with the inlet and the outlet; and wherein the actuator extends in an axial direction and can be moved relative to the valve body along a feed direction in the axial direction to switch the injection valve arrangement from the intake position to the injection position; wherein the actuator is, relative to the valve body, in a pressing seat such that when switching the actuator from the intake position towards the injection position, the pressing forces do not decrease; wherein in the course of switching the injection valve arrangement from the intake position to the injection position, a deformation of at least the valve body occurs; and wherein the deformation is at least partially a plastic deformation.