Patent ID: 8414531

Claim:
A handheld device for the local puncturing of a human or an animal skin, in particular for the introduction of an active substance or for the application of a tattoo or a permanent make-up, comprising: a drive unit which is configured so as to produce a repetitive drive movement; and a needle unit which comprises a needle device and is configured so as to couple to the drive unit in such a manner that the repetitive drive movement for the extension and retraction of the needle device can be coupled into the drive unit; wherein said drive unit includes a displaceable actuating element that is coupled to a needle connection device, and said needle unit having a functional member which is a stop element that contacts the displaceable actuating element, said displaceable actuating element and said stop element being configured so as to move the displaceable actuating element from a first displacement position to a second displacement position by the stop element when coupling the needle unit to the drive unit, thus moving the needle connection device to a coupling position in which the needle device can be coupled or uncoupled to the needle connection device.