Abstract: A subcutaneous infusion set for administering a medication or a therapeutic fluid to a patient is disclosed. The infusion set includes a base element having a cavity and an entry lumen. A closing element is mounted on the base element to be rotatable about an axis through the base element and having an aperture, which in one position of the closing element in relation to the base element is aligned with the entry lumen of the base element and in a further rotated position of the closing element in relation to the base element, the closing element covers the entry lumen the base element. A cannula is mounted in and extends from the base element, the cannula having a lumen therethrough, the lumen communicating with the entry lumen through the cavity. Connector means for administering a fluid to the entry lumen are provided.

Abstract: An infusion set for an intermittent or continuous administration of a therapeutical substance, such as insulin, comprises a cannula housing (1) with a soft plastic cannula (2) to be placed inside the body of a patient, where the cannula together with the cannula housing (1) form a through passageway the inlet of which into the cannula housing (1) is covered by a membrane. The infusion set comprises furthermore a needle hub (3) with a needle to be inserted in the through passageway of the cannula housing through the membrane. The infusion set comprises guide means for centering the needle relative to the membrane and the through passageway, as well as locking means (31, 32) for releasably interlocking the cannula housing (1) and the needle hub (3).