Prefillable intradermal injector

摘要

A prefillable delivery device for administering intradermal injections includes a prefillable container adapted to store a substance. The substance is expelled through a needle cannula having a forward tip adapted to administer the intradermal injection. A limiter surrounds the needle cannula having a generally flat skin engaging surface extending in a plane generally perpendicular to the needle cannula. An insert is centrally located within the skin engaging surface and is piercable by the forward tip. A sleeve with a first end and a second end surrounds the prefillable container. The limiter is slidably inserted through the first end and the second end is affixed to a depressable plunger for expelling the substance from the container. The limiter is movable between a first position and a second position thereby exposing the forward tip and is selectively movable between a third position and a fourth position thereby concealing the forward tip.