Abstract: An insertion head for medical or pharmaceutical uses including a housing with a side that can be positioned on tissue and a penetrating device with a tip, the penetrating device carried by the housing in a protected orientation in which the housing covers the tip and a penetrating orientation in which the tip protrudes, wherein the penetrating orientation is angled relative to the protected orientation.

Abstract: An insertion device for infusion sets, comprising a housing for enclosing an infusion set, a drive device for displacing the infusion set for insertion, wherein a portion of the drive device moves in an insertion direction, the movement being substantially friction-free relative to the housing.

Abstract: An insertion device for inserting an injection needle into a tissue including a needle holder carrying the injection needle and a protection device for covering the injection needle after the removal thereof from the tissue wherein the needle holder is mounted to move along the needle axis in relation to the protection device and for insertion of the injection needle the needle holder and protection device are moved more closely together and wherein at least one catch is provided on at least one of the needle holder and protection device, which firmly engages the needle holder with the protection device in an extended relative position. The invention encompasses a catheter head having a base body, a flexible cannula extending from the base body and the insertion device with the protection device.

Abstract: An insertion device for infusion sets, including a housing for generally enclosing an infusion set placed in the insertion device and a drive device for displacing the infusion set, wherein the displacing is as friction-free as possible with respect to the housing.

Abstract: A catheter head for medical and pharmaceutical applications, including a base body which may be positioned on organic tissue and a connecting body, serving as fluid connector for the base body, which has a fluid channel to form the fluid connection. The base body and the connecting body are detachably connected to each other and the base body includes: a) a housing b) a cannula, extending from the housing for introduction into the tissue, c) a seal element, retained by the housing, which has a connector face on which or by means of which the fluid channel of the connecting body may be hydraulically connected to the cannula, and d) a closing element, mounted on the housing which may be displaced relative to the sealing element and seals the sealing face of the sealing element in a closed position and opens the connecting body for the fluid channel in an open position.

Abstract: A device for inserting a cannula into tissue, including a cannula, a protective element which can accommodate said cannula, an operating element for moving the cannula out of the protective element, and a holder fixedly connected to the cannula. The invention encompasses a system for connecting a liquid supply to the cannula.