Patent ID: 7985199

Claim:
A system comprising: a gateway for subcutaneous injection of fluid, the gateway comprising a body with at least one through-going opening, at least one cannula and a restriction for microorganisms placed at a distal end of the at least one cannula or in the at least one through-going opening, the gateway having a proximal surface for contacting the patient's skin and a distal surface; an inserter device comprising a penetrating member and a biasing unit, the biasing unit adapted to urge the gateway from a retracted to a forward position when released; a drug delivery device, the drug delivery device configured for passing through the restriction of the gateway, and a separate interface comprising an interface proximal surface corresponding to the distal surface of the gateway and an interface distal surface corresponding to a proximal surface of the delivery device; wherein either the drug delivery device or the separate interface comprises an injection needle.