An insertion head for medical or pharmaceutical applications includes a base having a lower side which can be positioned on organic tissue an insertion means movably mounted by the base and insertable into the tissue where the insertion means is movable relative to the base from a protective position in which a free end of the insertion means is short of the lower side of the base, into an insertion position in which the free end protrudes beyond the lower side a handle which projects from the base and includes a first handle component and a second handle component movable relative to the base and the first handle component and a coupling that transmits a movement of the second handle component into a movement of the insertion means.