Device for inserting soft member into the tissue of the body of a patient, comprising: a) a housing (2, 2a, 2b, 10, 21) having at least one contact face for placing the device onto the skin of the body of the patient; b) an insertion arrangement movably arranged within the housing (2, 2a, 2b, 10, 21), comprising the soft member to be inserted into the tissue and a guiding member for temporarily stiffening the soft member during introduction into the tissue, which guiding member forms a puncturing tip for puncturing the skin of the body of the patient when inserting the soft member which is stiffened with it into the tissue; and c) drive means (8, 13) for effecting an insertion movement of the insertion arrangement from a first position into a second position, wherein in the first position the insertion arrangement is oriented substantially perpendicular to a plane formed by the at least one contact face and the insertion movement is a linear movement along an axis perpendicular to said plane, wherein the puncturing tip is set back relative to the contact face in the first position and protrudes beyond the contact face in the second position, so that, when during the insertion movement the device is placed with its contact face on said body, the soft member together with the guiding member is inserted into the tissue of the body of the patient, and the drive means (8, 13) are further for effecting, after the insertion movement of the insertion arrangement, a retracting movement of the guiding member from the second position into a third position, in which its puncturing tip is set back relative to the contact face, so that, when the soft member is held in the second position, the guiding member is separated from the soft member, wherein the device is designed in such a manner that after the insertion movement of the insertion arrangement has been performed, automatically the retraction movement of the guiding member is performed, characterized in that in an initial position the insertion arrangement is oriented substantially parallel to the plane formed by the at least one contact face and, before the insertion movement can be performed, must be pivoted from the initial position into the first position by tilting a drive unit housing, the tilting being effected by a pivot formed at a drive unit housing travelling in a guiding slot of a first housing element. a) a housing (2, 2a, 2b, 10, 21) having at least one contact face for placing the device onto the skin of the body of the patient; b) an insertion arrangement movably arranged within the housing (2, 2a, 2b, 10, 21), comprising the soft member to be inserted into the tissue and a guiding member for temporarily stiffening the soft member during introduction into the tissue, which guiding member forms a puncturing tip for puncturing the skin of the body of the patient when inserting the soft member which is stiffened with it into the tissue; and c) drive means (8, 13) for effecting an insertion movement of the insertion arrangement from a first position into a second position, wherein in the first position the insertion arrangement is oriented substantially perpendicular to a plane formed by the at least one contact face and the insertion movement is a linear movement along an axis perpendicular to said plane, wherein the puncturing tip is set back relative to the contact face in the first position and protrudes beyond the contact face in the second position, so that, when during the insertion movement the device is placed with its contact face on said body, the soft member together with the guiding member is inserted into the tissue of the body of the patient, and the drive means (8, 13) are further for effecting, after the insertion movement of the insertion arrangement, a retracting movement of the guiding member from the second position into a third position, in which its puncturing tip is set back relative to the contact face, so that, when the soft member is held in the second position, the guiding member is separated from the soft member, wherein the device is designed in such a manner that after the insertion movement of the insertion arrangement has been performed, automatically the retraction movement of the guiding member is performed, characterized in that in an initial position the insertion arrangement is oriented substantially parallel to the plane formed by the at least one contact face and, before the insertion movement can be performed, must be pivoted from the initial position into the first position by tilting a drive unit housing, the tilting being effected by a pivot formed at a drive unit housing travelling in a guiding slot of a first housing element.