An adapter (50) for achieving intradermal dosed delivery of a liquid by use of a dosed drug delivery device including a reservoir having a pierceable septum, the adapter having a connector including an attachment configuration for attachment to the dosed drug delivery device and a hollow needle (25) deployed for piercing the septum. A liquid delivery interface (24), linked to the connector, includes a straight skin contact edge and one or more hollow microneedle adjacent thereto. The microneedle projects away from the skin contact edge (26). A flow path arrangement (28) interconnects the needle and the at least one hollow microneedle.
