Drug delivery system

摘要

A method and system for delivering a user-settable dose of a first medicament and a non-user settable dose of a second medicament through a single dose setter and a single dispense interface. The drug delivery system includes a drug delivery device and a medicated module. The drug delivery device comprises a single dose setter operably connected to a primary reservoir containing the first medicament. The medicated module comprises (i) a collapsible feature holding the second medicament and (ii) the single dispense interface having an output needle. Further, the drug delivery device and medicated module are each configured such that the single dose setter is mechanically linked to the collapsible feature after attachment of the medicated module to the drug delivery device.

主权项

1. A medicated module attachable to a drug delivery device the drug delivery device comprising a housing, a reservoir for a liquid and a dose button, the medicated module comprising:
an outer body having a hub; a push rod axially slidable with respect to the outer body; a proximal first needle configured to establish fluid communication with the liquid in the drug delivery device's reservoir after the medicated module is attached to the drug delivery device; a distal second needle configured for attachment to the hub for dispensing liquid; a collapsible container holding a medicament, wherein the container is arranged between the outer body and push rod and in fluid communication with the first needle and the second needle; wherein, during dispense the push rod moves axially relative to the outer body and the housing of the drug delivery device and compresses the container to force, at least some of a remaining amount of medicament in the container out of the second needle.