| abstract |
The application relates to a device for periodic or continuous administration of a therapeutic substance, such as insulin, comprising a base part to which an injection part and a delivery part (3, 4) are attached. The delivery portion comprises a reservoir and a pump, and the injection portion comprises a base plate (10), a cannula portion (1) having a body having a through opening, and the at least one needle having an inner end protruding from the lower side of the body, and a device for attaching the base plate (10) to the skin of the user. The device is characterized in that the delivery part (3, 4) and the injection part are assembled through a connector (2) comprising a fluid path leading from the reservoir (4) to the through opening. in the cannula portion (1, 1b), which fluid path comprises a device (7, 8, 8b, 8c) for blocking access to the injection portion when the connector (2) is disconnected from the delivery portion (3, 4) and / or the injection portion. |